Recognised as Decimal number
3.38 × 10^21
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
3.38 × 10^21 is a decimal number equal to 3,380,000,000,000,000,000,000⁄1. It lies between 3,380,000,000,000,000,000,000 and 3,380,000,000,000,000,000,000, and as a percentage it is 3.38 × 10^23%.
Number properties
Absolute value3.38 × 10^21
SignPositive
Integer part3,380,000,000,000,000,000,000
Fractional part0
Decimal places0
Rounded to nearest3,380,000,000,000,000,000,000
Truncated3,380,000,000,000,000,000,000
Fractions & ratios
Ratio3,380,000,000,000,000,000,000 : 1
As a percentage3.38 × 10^23%
Reciprocal2.95857988 × 10^-22≈
Arithmetic
Double6.76 × 10^21
Half1.69 × 10^21
Square1.14244 × 10^43
Cube3.8614472 × 10^64
Square root58,137,767,414.9945≈
Cube root15,007,403.7524362≈
Negation-3.38 × 10^21
Natural logarithm49.5721626624≈
Logarithm base 1021.5289167003≈
Representations
Decimal3.38 × 10^21
Scientific notation3.38 × 10^21
Exponential3.38e+21
IEEE 754 binary64 (hex)0x4466E75D877FC28Athe exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x63373AEC32-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places3.38e+21
To 1 decimal place3.38e+21
To 2 decimal places3.38e+21
To 3 decimal places3.38e+21
To 4 decimal places3.38e+21
To 1 significant figure3e+21
To 2 significant figures3.4e+21
To 3 significant figures3.38e+21
To 4 significant figures3.38e+21
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Neighbouring values
As a fraction
Also reads as
#338E19 (colour)
- #338E19
- Green
- Dark
- Nearest: Forest green
#338E19 is a green with RGB values 51, 142, 25 and HSL 107°, 70%, 33%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Forest green.
Colour values
#338E19#338E19
HEX#338E19
RGBrgb(51, 142, 25)
RGB (0–1)0.2, 0.5569, 0.098
RGB percentages20%, 55.7%, 9.8%
HSLhsl(106.7, 70.1%, 32.7%)
HSV / HSBhsv(106.7, 82.4%, 55.7%)
CMYK64.1%, 0%, 82.4%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,378,713
CSS custom property--colour: #338E19;
Brightness & contrast
Relative luminance0.2012WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.02:1
Contrast with white4.18:1WCAG normal text: Fail
Contrast with black5.02:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#CC71E6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.18:1WCAG large text: AA
Contrast with black, large text5.02:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#74198E
Analogous#6E8E19, #198E39
Triadic#19338E, #8E1933
Split complementary#39198E, #8E196E
Tetradic#196E8E, #74198E, #8E3919
Tints, shades & saturation
Channel breakdown
R51
G142
B25
Red51 (20%)
Green142 (55.7%)
Blue25 (9.8%)
Hue106.67°
Saturation (HSL)70.06%
Lightness32.75%
Dominant channelGreen
Hex per channelR 33 · G 8E · B 19
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Harmonies
Similar named colours
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