Decimal number
1.3 × 10^15
- Positive
- Decimal
- 0 d.p.
- Exact fraction
1.3 × 10^15 is a decimal number equal to 1,300,000,000,000,000⁄1. It lies between 1,300,000,000,000,000 and 1,300,000,000,000,000, and as a percentage it is 1.3 × 10^17%.
Number properties
Absolute value1.3 × 10^15
SignPositive
Integer part1,300,000,000,000,000
Fractional part0
Decimal places0
Ceiling1,300,000,000,000,000
Rounded to nearest1,300,000,000,000,000
Truncated1,300,000,000,000,000
Fractions & ratios
Ratio1,300,000,000,000,000 : 1
As a percentage1.3 × 10^17%
Reciprocal7.69230769 × 10^-16≈
Arithmetic
Double2.6 × 10^15
Square1.69 × 10^30
Cube2.197 × 10^45
Square root36,055,512.7546399≈
Cube root109,139.288306111≈
Negation-1.3 × 10^15
Natural logarithm34.8011406594≈
Logarithm base 1015.1139433523≈
Representations
Decimal1.3 × 10^15
Scientific notation1.3 × 10^15
Exponential1.3e+15
IEEE 754 binary64 (hex)0x4312795F58D50000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x5893CAFB32-bit single precision, may lose accuracy
Rounding
To 0 decimal places1300000000000000
To 1 decimal place1300000000000000.0
To 2 decimal places1300000000000000.00
To 3 decimal places1300000000000000.000
To 4 decimal places1300000000000000.0000
To 1 significant figure1000000000000000
To 2 significant figures1300000000000000
To 3 significant figures1300000000000000
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Neighbouring values
As a fraction
Also reads as
#013E14 (colour)
- #013E14
- Green
- Dark
- Nearest: Dark olivegreen
#013E14 is a green with RGB values 1, 62, 20 and HSL 139°, 97%, 12%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.
Colour values
#013E14#013E14
HEX#013E14
RGBrgb(1, 62, 20)
RGB (0–1)0.0039, 0.2431, 0.0784
RGB percentages0.4%, 24.3%, 7.8%
HSLhsl(138.7, 96.8%, 12.4%)
HSV / HSBhsv(138.7, 98.4%, 24.3%)
CMYK98.4%, 0%, 67.7%, 75.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer81,428
CSS custom property--colour: #013E14;
Brightness & contrast
Relative luminance0.03502WCAG 2.x, 0 is black and 1 is white
Perceived brightness48 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.35:1
Contrast with white12.35:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#FEC1EB
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.35:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3E012B
Analogous#0C3E01, #013E33
Triadic#14013E, #3E1401
Split complementary#33013E, #3E010C
Tetradic#010C3E, #3E012B, #3E3301
Tints, shades & saturation
Channel breakdown
R1
G62
B20
Red1 (0.4%)
Green62 (24.3%)
Blue20 (7.8%)
Hue138.69°
Saturation (HSL)96.83%
Lightness12.35%
Dominant channelGreen
Hex per channelR 01 · G 3E · B 14
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Harmonies
Similar named colours
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