Recognised as Decimal number

3.3 × 10^21

Positive
Decimal
0 d.p.
Exact fraction
2 s.f.

3.3 × 10^21 is a decimal number equal to 3,300,000,000,000,000,000,000⁄1. It lies between 3,300,000,000,000,000,000,000 and 3,300,000,000,000,000,000,000, and as a percentage it is 3.3 × 10^23%.

Number properties

Absolute value3.3 × 10^21

SignPositive

Integer part3,300,000,000,000,000,000,000

Fractional part0

Decimal places0

Floor3,300,000,000,000,000,000,000

Ceiling3,300,000,000,000,000,000,000

Rounded to nearest3,300,000,000,000,000,000,000

Truncated3,300,000,000,000,000,000,000

Fractions & ratios

As a fraction3,300,000,000,000,000,000,000/1exact

Ratio3,300,000,000,000,000,000,000 : 1

As a percentage3.3 × 10^23%

Reciprocal3.03030303 × 10^-22≈

Arithmetic

Double6.6 × 10^21

Half1.65 × 10^21

Square1.089 × 10^43

Cube3.5937 × 10^64

Square root57,445,626,465.3803≈

Cube root14,888,055.5295383≈

Negation-3.3 × 10^21

Natural logarithm49.5482094213≈

Logarithm base 1021.5185139399≈

Representations

Decimal3.3 × 10^21

Scientific notation3.3 × 10^21

Exponential3.3e+21

IEEE 754 binary64 (hex)0x44665C96647B38A2the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x6332E4B332-bit single precision, may lose accuracy

Rounding & precision

Significant figures as written2counted from the digits as typed, not from the value

To 0 decimal places3.3e+21

To 1 decimal place3.3e+21

To 2 decimal places3.3e+21

To 3 decimal places3.3e+21

To 4 decimal places3.3e+21

To 1 significant figure3e+21

To 2 significant figures3.3e+21

To 3 significant figures3.3e+21

To 4 significant figures3.3e+21

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Neighbouring values

As a fraction

3,300,000,000,000,000,000,000/1

Also reads as

#033E20 (colour)

#033E20
Green
Dark
Nearest: Dark slate grey

#033E20 is a green with RGB values 3, 62, 32 and HSL 149°, 91%, 13%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

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Colour values

#033E20#033E20

HEX#033E20

RGBrgb(3, 62, 32)

RGB (0–1)0.0118, 0.2431, 0.1255

RGB percentages1.2%, 24.3%, 12.5%

HSLhsl(149.5, 90.8%, 12.7%)

HSV / HSBhsv(149.5, 95.2%, 24.3%)

CMYK95.2%, 0%, 48.4%, 75.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer212,512

CSS custom property--colour: #033E20;

Brightness & contrast

Relative luminance0.03569WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.25:1

Contrast with white12.25:1WCAG normal text: AAA

Contrast with black1.71:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#FCC1DF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E381Eno red cones; affects about 1% of men; ΔE 24.6 from the original

Deuteranopia#373322no green cones; the most common form, about 1% of men; ΔE 24.8 from the original

Tritanopia#003D37no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.25:1WCAG large text: AAA

Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.2 Dark olivegreen · ΔE 27.3 Sea green · ΔE 33 Teal · ΔE 34.2 Dark green · ΔE 36 Black · ΔE 36.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.22, a distinctly different colour

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#3E0321

Analogous#033E03, #033E3E

Triadic#20033E, #3E2003

Split complementary#3E033E, #3E0303

Tetradic#03033E, #3E0321, #3E3E03

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#19F485

Lighter +30%#0AD06B

Lighter +20%#089F52

Lighter +10%#056F39

Darker −10%#010D07

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#004120

Less saturated −25%#0B3620

Channel breakdown

G62

B32

Red3 (1.2%)

Green62 (24.3%)

Blue32 (12.5%)

Hue149.49°

Saturation (HSL)90.77%

Lightness12.75%

Dominant channelGreen

Hex per channelR 03 · G 3E · B 20

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3.3 × 10^21

Number properties

Fractions & ratios

Arithmetic

Representations

Rounding & precision

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Neighbouring values

As a fraction

#033E20 (colour)

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

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Harmonies

Lighter and darker

Similar named colours

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