Recognised as Decimal number
3.3 × 10^21
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 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
Rounded to nearest3,300,000,000,000,000,000,000
Truncated3,300,000,000,000,000,000,000
Fractions & ratios
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 written3counted 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
Also reads as
#330E19 (colour)
- #330E19
- Red
- Dark
- Nearest: Black
#330E19 is a red with RGB values 51, 14, 25 and HSL 342°, 57%, 13%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#330E19#330E19
HEX#330E19
RGBrgb(51, 14, 25)
RGB (0–1)0.2, 0.0549, 0.098
RGB percentages20%, 5.5%, 9.8%
HSLhsl(342.2, 56.9%, 12.7%)
HSV / HSBhsv(342.2, 72.5%, 20%)
CMYK0%, 72.5%, 51%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,345,945
CSS custom property--colour: #330E19;
Brightness & contrast
Relative luminance0.01088WCAG 2.x, 0 is black and 1 is white
Perceived brightness31 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.25:1
Contrast with white17.25:1WCAG normal text: AAA
Contrast with black1.22:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#CCF1E6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.25:1WCAG large text: AAA
Contrast with black, large text1.22:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0E3328
Analogous#330E2B, #33160E
Triadic#19330E, #0E1933
Split complementary#0E3316, #0E2B33
Tetradic#2B330E, #0E3328, #160E33
Tints, shades & saturation
Channel breakdown
R51
G14
B25
Red51 (20%)
Green14 (5.5%)
Blue25 (9.8%)
Hue342.16°
Saturation (HSL)56.92%
Lightness12.75%
Dominant channelRed
Hex per channelR 33 · G 0E · B 19
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