Decimal number
20,000,000,000
- Positive
- Decimal
- 0 d.p.
- Exact fraction
20,000,000,000 is a decimal number equal to 20,000,000,000⁄1. It lies between 20,000,000,000 and 20,000,000,000, and as a percentage it is 2,000,000,000,000%.
Number properties
Absolute value20,000,000,000
SignPositive
Integer part20,000,000,000
Fractional part0
Decimal places0
Floor20,000,000,000
Ceiling20,000,000,000
Rounded to nearest20,000,000,000
Truncated20,000,000,000
Fractions & ratios
Ratio20,000,000,000 : 1
As a percentage2,000,000,000,000%
Reciprocal5 × 10^-11≈
Arithmetic
Double40,000,000,000
Half10,000,000,000
Square4 × 10^20
Cube8 × 10^30
Square root141,421.35623731≈
Cube root2,714.4176165949≈
Negation-20,000,000,000
Natural logarithm23.7189981105≈
Logarithm base 1010.3010299957≈
Representations
Decimal20,000,000,000
Scientific notation2 × 10^10
Exponential2e+10
IEEE 754 binary64 (hex)0x4212A05F20000000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x509502F932-bit single precision, may lose accuracy
Rounding
To 0 decimal places20000000000
To 1 decimal place20000000000.0
To 2 decimal places20000000000.00
To 3 decimal places20000000000.000
To 4 decimal places20000000000.0000
To 1 significant figure20000000000
To 2 significant figures20000000000
To 3 significant figures20000000000
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Neighbouring values
As a fraction
Also reads as
#2E0010 (colour)
- #2E0010
- Red
- Dark
- Nearest: Black
#2E0010 is a red with RGB values 46, 0, 16 and HSL 339°, 100%, 9%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#2E0010#2E0010
HEX#2E0010
RGBrgb(46, 0, 16)
RGB (0–1)0.1804, 0, 0.0627
RGB percentages18%, 0%, 6.3%
HSLhsl(339.1, 100%, 9%)
HSV / HSBhsv(339.1, 100%, 18%)
CMYK0%, 100%, 65.2%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,014,672
CSS custom property--colour: #2E0010;
Brightness & contrast
Relative luminance0.00618WCAG 2.x, 0 is black and 1 is white
Perceived brightness25.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.69:1
Contrast with white18.69:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#D1FFEF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.69:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#002E1E
Analogous#2E0027, #2E0700
Triadic#102E00, #00102E
Split complementary#002E07, #00272E
Tetradic#272E00, #002E1E, #07002E
Tints, shades & saturation
Channel breakdown
R46
G0
B16
Red46 (18%)
Green0 (0%)
Blue16 (6.3%)
Hue339.13°
Saturation (HSL)100%
Lightness9.02%
Dominant channelRed
Hex per channelR 2E · G 00 · B 10
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