Recognised as Decimal number
1.01 × 10^20
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
1.01 × 10^20 is a decimal number equal to 101,000,000,000,000,000,000⁄1. It lies between 101,000,000,000,000,000,000 and 101,000,000,000,000,000,000, and as a percentage it is 1.01 × 10^22%.
Number properties
Absolute value1.01 × 10^20
SignPositive
Integer part101,000,000,000,000,000,000
Fractional part0
Decimal places0
Ceiling101,000,000,000,000,000,000
Rounded to nearest101,000,000,000,000,000,000
Truncated101,000,000,000,000,000,000
Fractions & ratios
Ratio101,000,000,000,000,000,000 : 1
As a percentage1.01 × 10^22%
Reciprocal9.9009901 × 10^-21≈
Arithmetic
Double2.02 × 10^20
Half5.05 × 10^19
Square1.0201 × 10^40
Cube1.030301 × 10^60
Square root10,049,875,621.1209≈
Cube root4,657,009.50780384≈
Negation-1.01 × 10^20
Natural logarithm46.0616521907≈
Logarithm base 1020.0043213738≈
Representations
Decimal1.01 × 10^20
Scientific notation1.01 × 10^20
Exponential1.01e+20
IEEE 754 binary64 (hex)0x4415E6A0538429D0the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x60AF350332-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places101000000000000000000
To 1 decimal place101000000000000000000.0
To 2 decimal places101000000000000000000.00
To 3 decimal places101000000000000000000.000
To 4 decimal places101000000000000000000.0000
To 1 significant figure1e+20
To 2 significant figures1e+20
To 3 significant figures1.01e+20
To 4 significant figures1.01e+20
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As a fraction
Also reads as
#101E18 (colour)
- #101E18
- Cyan
- Dark
- Nearest: Black
#101E18 is a cyan with RGB values 16, 30, 24 and HSL 154°, 30%, 9%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#101E18#101E18
HEX#101E18
RGBrgb(16, 30, 24)
RGB (0–1)0.0627, 0.1176, 0.0941
RGB percentages6.3%, 11.8%, 9.4%
HSLhsl(154.3, 30.4%, 9%)
HSV / HSBhsv(154.3, 46.7%, 11.8%)
CMYK46.7%, 0%, 20%, 88.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,056,280
CSS custom property--colour: #101E18;
Brightness & contrast
Relative luminance0.01105WCAG 2.x, 0 is black and 1 is white
Perceived brightness25.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.2:1
Contrast with white17.2:1WCAG normal text: AAA
Contrast with black1.22:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#EFE1E7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.2:1WCAG large text: AAA
Contrast with black, large text1.22:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1E1016
Analogous#101E11, #101D1E
Triadic#18101E, #1E1810
Split complementary#1E101D, #1E1110
Tetradic#11101E, #1E1016, #1D1E10
Tints, shades & saturation
Channel breakdown
R16
G30
B24
Red16 (6.3%)
Green30 (11.8%)
Blue24 (9.4%)
Hue154.29°
Saturation (HSL)30.43%
Lightness9.02%
Dominant channelGreen
Hex per channelR 10 · G 1E · B 18
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Harmonies
Similar named colours
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