Recognised as Decimal number
2.72 × 10^20
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
2.72 × 10^20 is a decimal number equal to 272,000,000,000,000,000,000⁄1. It lies between 272,000,000,000,000,000,000 and 272,000,000,000,000,000,000, and as a percentage it is 2.72 × 10^22%.
Number properties
Absolute value2.72 × 10^20
SignPositive
Integer part272,000,000,000,000,000,000
Fractional part0
Decimal places0
Ceiling272,000,000,000,000,000,000
Rounded to nearest272,000,000,000,000,000,000
Truncated272,000,000,000,000,000,000
Fractions & ratios
Ratio272,000,000,000,000,000,000 : 1
As a percentage2.72 × 10^22%
Reciprocal3.67647059 × 10^-21≈
Arithmetic
Double5.44 × 10^20
Half1.36 × 10^20
Square7.3984 × 10^40
Cube2.0123648 × 10^61
Square root16,492,422,502.4706≈
Cube root6,479,223.60255497≈
Negation-2.72 × 10^20
Natural logarithm47.0523337402≈
Logarithm base 1020.434568904≈
Representations
Decimal2.72 × 10^20
Scientific notation2.72 × 10^20
Exponential2.72e+20
IEEE 754 binary64 (hex)0x442D7D843DC3B480the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x616BEC2232-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places272000000000000000000
To 1 decimal place272000000000000000000.0
To 2 decimal places272000000000000000000.00
To 3 decimal places272000000000000000000.000
To 4 decimal places272000000000000000000.0000
To 1 significant figure3e+20
To 2 significant figures2.7e+20
To 3 significant figures2.72e+20
To 4 significant figures2.72e+20
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As a fraction
Also reads as
#272E18 (colour)
- #272E18
- Green
- Dark
- Nearest: Dark slate grey
#272E18 is a green with RGB values 39, 46, 24 and HSL 79°, 31%, 14%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#272E18#272E18
HEX#272E18
RGBrgb(39, 46, 24)
RGB (0–1)0.1529, 0.1804, 0.0941
RGB percentages15.3%, 18%, 9.4%
HSLhsl(79.1, 31.4%, 13.7%)
HSV / HSBhsv(79.1, 47.8%, 18%)
CMYK15.2%, 0%, 47.8%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,567,704
CSS custom property--colour: #272E18;
Brightness & contrast
Relative luminance0.02451WCAG 2.x, 0 is black and 1 is white
Perceived brightness42 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.09:1
Contrast with white14.09:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#D8D1E7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.09:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1F182E
Analogous#2E2A18, #1C2E18
Triadic#18272E, #2E1827
Split complementary#181C2E, #2A182E
Tetradic#182E2A, #1F182E, #2E181C
Tints, shades & saturation
Channel breakdown
R39
G46
B24
Red39 (15.3%)
Green46 (18%)
Blue24 (9.4%)
Hue79.09°
Saturation (HSL)31.43%
Lightness13.73%
Dominant channelGreen
Hex per channelR 27 · G 2E · B 18
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Harmonies
Similar named colours
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