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
#2E0020 (colour)
- #2E0020
- Magenta
- Dark
- Nearest: Black
#2E0020 is a magenta with RGB values 46, 0, 32 and HSL 318°, 100%, 9%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#2E0020#2E0020
HEX#2E0020
RGBrgb(46, 0, 32)
RGB (0–1)0.1804, 0, 0.1255
RGB percentages18%, 0%, 12.5%
HSLhsl(318.3, 100%, 9%)
HSV / HSBhsv(318.3, 100%, 18%)
CMYK0%, 100%, 30.4%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,014,688
CSS custom property--colour: #2E0020;
Brightness & contrast
Relative luminance0.00685WCAG 2.x, 0 is black and 1 is white
Perceived brightness27.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.47:1
Contrast with white18.47:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#D1FFDF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.47:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#002E0E
Analogous#25002E, #2E0009
Triadic#202E00, #00202E
Split complementary#092E00, #002E25
Tetradic#2E2500, #002E0E, #00092E
Tints, shades & saturation
Channel breakdown
R46
G0
B32
Red46 (18%)
Green0 (0%)
Blue32 (12.5%)
Hue318.26°
Saturation (HSL)100%
Lightness9.02%
Dominant channelRed
Hex per channelR 2E · G 00 · B 20
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Harmonies
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