Recognised as Decimal number
9 × 10^17
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 1 s.f.
9 × 10^17 is a decimal number equal to 900,000,000,000,000,000⁄1. It lies between 900,000,000,000,000,000 and 900,000,000,000,000,000, and as a percentage it is 9 × 10^19%.
Number properties
Absolute value9 × 10^17
SignPositive
Integer part900,000,000,000,000,000
Fractional part0
Decimal places0
Ceiling900,000,000,000,000,000
Rounded to nearest900,000,000,000,000,000
Truncated900,000,000,000,000,000
Fractions & ratios
Ratio900,000,000,000,000,000 : 1
As a percentage9 × 10^19%
Reciprocal1.11111111 × 10^-18≈
Arithmetic
Double1.8 × 10^18
Half4.5 × 10^17
Square8.1 × 10^35
Cube7.29 × 10^53
Square root948,683,298.050514≈
Cube root965,489.38460563≈
Negation-9 × 10^17
Natural logarithm41.3411711582≈
Logarithm base 1017.9542425094≈
Representations
Decimal9 × 10^17
Scientific notation9 × 10^17
Exponential9e+17
IEEE 754 binary64 (hex)0x43A8FAE27693B400the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x5D47D71432-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written1counted from the digits as typed, not from the value
To 0 decimal places900000000000000000
To 1 decimal place900000000000000000.0
To 2 decimal places900000000000000000.00
To 3 decimal places900000000000000000.000
To 4 decimal places900000000000000000.0000
To 1 significant figure9e+17
To 2 significant figures9e+17
To 3 significant figures9e+17
To 4 significant figures9e+17
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Neighbouring values
As a fraction
Also reads as
#009E17 (colour)
- #009E17
- Green
- Dark
- Nearest: Green
#009E17 is a green with RGB values 0, 158, 23 and HSL 129°, 100%, 31%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Green.
Colour values
#009E17#009E17
HEX#009E17
RGBrgb(0, 158, 23)
RGB (0–1)0, 0.6196, 0.0902
RGB percentages0%, 62%, 9%
HSLhsl(128.7, 100%, 31%)
HSV / HSBhsv(128.7, 100%, 62%)
CMYK100%, 0%, 85.4%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer40,471
CSS custom property--colour: #009E17;
Brightness & contrast
Relative luminance0.24516WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.9:1
Contrast with white3.56:1WCAG normal text: Fail
Contrast with black5.9:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#FF61E8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.56:1WCAG large text: AA
Contrast with black, large text5.9:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9E0087
Analogous#389E00, #009E66
Triadic#17009E, #9E1700
Split complementary#66009E, #9E0038
Tetradic#00389E, #9E0087, #9E6600
Tints, shades & saturation
Channel breakdown
R0
G158
B23
Red0 (0%)
Green158 (62%)
Blue23 (9%)
Hue128.73°
Saturation (HSL)100%
Lightness30.98%
Dominant channelGreen
Hex per channelR 00 · G 9E · B 17
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Harmonies
Similar named colours
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