Recognised as Decimal number
1.42 × 10^15
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
1.42 × 10^15 is a decimal number equal to 1,420,000,000,000,000⁄1. It lies between 1,420,000,000,000,000 and 1,420,000,000,000,000, and as a percentage it is 1.42 × 10^17%.
Number properties
Absolute value1.42 × 10^15
SignPositive
Integer part1,420,000,000,000,000
Fractional part0
Decimal places0
Ceiling1,420,000,000,000,000
Rounded to nearest1,420,000,000,000,000
Truncated1,420,000,000,000,000
Fractions & ratios
Ratio1,420,000,000,000,000 : 1
As a percentage1.42 × 10^17%
Reciprocal7.04225352 × 10^-16≈
Arithmetic
Double2.84 × 10^15
Square2.0164 × 10^30
Cube2.863288 × 10^45
Square root37,682,887.3628335≈
Cube root112,399.086461423≈
Negation-1.42 × 10^15
Natural logarithm34.8894332665≈
Logarithm base 1015.1522883444≈
Representations
Decimal1.42 × 10^15
Scientific notation1.42 × 10^15
Exponential1.42e+15
IEEE 754 binary64 (hex)0x43142DEE0E530000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x58A16F7032-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places1420000000000000
To 1 decimal place1420000000000000.0
To 2 decimal places1420000000000000.00
To 3 decimal places1420000000000000.000
To 4 decimal places1420000000000000.0000
To 1 significant figure1e+15
To 2 significant figures1.4e+15
To 3 significant figures1.42e+15
To 4 significant figures1.42e+15
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Neighbouring values
As a fraction
Also reads as
#142E13 (colour)
- #142E13
- Green
- Dark
- Nearest: Dark slate grey
#142E13 is a green with RGB values 20, 46, 19 and HSL 118°, 42%, 13%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#142E13#142E13
HEX#142E13
RGBrgb(20, 46, 19)
RGB (0–1)0.0784, 0.1804, 0.0745
RGB percentages7.8%, 18%, 7.5%
HSLhsl(117.8, 41.5%, 12.7%)
HSV / HSBhsv(117.8, 58.7%, 18%)
CMYK56.5%, 0%, 58.7%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,322,515
CSS custom property--colour: #142E13;
Brightness & contrast
Relative luminance0.0215WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.69:1
Contrast with white14.69:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#EBD1EC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.69:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2D132E
Analogous#222E13, #132E1F
Triadic#13142E, #2E1314
Split complementary#20132E, #2E1321
Tetradic#13212E, #2D132E, #2E1F13
Tints, shades & saturation
Channel breakdown
R20
G46
B19
Red20 (7.8%)
Green46 (18%)
Blue19 (7.5%)
Hue117.78°
Saturation (HSL)41.54%
Lightness12.75%
Dominant channelGreen
Hex per channelR 14 · G 2E · B 13
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Harmonies
Similar named colours
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