Recognised as Decimal number
2 × 10^20
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 1 s.f.
2 × 10^20 is a decimal number equal to 200,000,000,000,000,000,000⁄1. It lies between 200,000,000,000,000,000,000 and 200,000,000,000,000,000,000, and as a percentage it is 2 × 10^22%.
Number properties
Absolute value2 × 10^20
SignPositive
Integer part200,000,000,000,000,000,000
Fractional part0
Decimal places0
Ceiling200,000,000,000,000,000,000
Rounded to nearest200,000,000,000,000,000,000
Truncated200,000,000,000,000,000,000
Fractions & ratios
Ratio200,000,000,000,000,000,000 : 1
As a percentage2 × 10^22%
Reciprocal5 × 10^-21≈
Arithmetic
Double4 × 10^20
Half1 × 10^20
Square4 × 10^40
Cube8 × 10^60
Square root14,142,135,623.731≈
Cube root5,848,035.47642573≈
Negation-2 × 10^20
Natural logarithm46.7448490404≈
Logarithm base 1020.3010299957≈
Representations
Decimal2 × 10^20
Scientific notation2 × 10^20
Exponential2e+20
IEEE 754 binary64 (hex)0x4425AF1D78B58C40the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x612D78EC32-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written1counted from the digits as typed, not from the value
To 0 decimal places200000000000000000000
To 1 decimal place200000000000000000000.0
To 2 decimal places200000000000000000000.00
To 3 decimal places200000000000000000000.000
To 4 decimal places200000000000000000000.0000
To 1 significant figure2e+20
To 2 significant figures2e+20
To 3 significant figures2e+20
To 4 significant figures2e+20
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Neighbouring values
As a fraction
Also reads as
#02E020 (colour)
- #02E020
- Green
- Light
- Nearest: Limegreen
#02E020 is a green with RGB values 2, 224, 32 and HSL 128°, 98%, 44%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Limegreen.
Colour values
#02E020#02E020
HEX#02E020
RGBrgb(2, 224, 32)
RGB (0–1)0.0078, 0.8784, 0.1255
RGB percentages0.8%, 87.8%, 12.5%
HSLhsl(128.1, 98.2%, 44.3%)
HSV / HSBhsv(128.1, 99.1%, 87.8%)
CMYK99.1%, 0%, 85.7%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer188,448
CSS custom property--colour: #02E020;
Brightness & contrast
Relative luminance0.53428WCAG 2.x, 0 is black and 1 is white
Perceived brightness172 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.69:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.69:1WCAG normal text: AAA
Greyscale equivalent#A3A3A3
Inverted#FD1FDF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.69:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#E002C2
Analogous#53E002, #02E08F
Triadic#2002E0, #E02002
Split complementary#8F02E0, #E00253
Tetradic#0253E0, #E002C2, #E08F02
Tints, shades & saturation
Channel breakdown
R2
G224
B32
Red2 (0.8%)
Green224 (87.8%)
Blue32 (12.5%)
Hue128.11°
Saturation (HSL)98.23%
Lightness44.31%
Dominant channelGreen
Hex per channelR 02 · G E0 · B 20
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Harmonies
Similar named colours
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