Decimal number
1 × 10^23
- Positive
- Decimal
- 0 d.p.
- Exact fraction
1 × 10^23 is a decimal number equal to 99,999,999,999,999,991,611,392⁄1. It lies between 99,999,999,999,999,991,611,392 and 99,999,999,999,999,991,611,392, and as a percentage it is 1 × 10^25%.
Number properties
Absolute value1 × 10^23
SignPositive
Integer part99,999,999,999,999,991,611,392
Fractional part0
Decimal places0
Rounded to nearest99,999,999,999,999,991,611,392
Truncated99,999,999,999,999,991,611,392
Fractions & ratios
Ratio99,999,999,999,999,991,611,392 : 1
As a percentage1 × 10^25%
Reciprocal1 × 10^-23≈
Arithmetic
Double2 × 10^23
Half5 × 10^22
Square1 × 10^46
Cube1 × 10^69
Square root316,227,766,016.838≈
Cube root46,415,888.3361278≈
Negation-1 × 10^23
Natural logarithm52.9594571389≈
Logarithm base 1023≈
Representations
Decimal1 × 10^23
Scientific notation1 × 10^23
Exponential1e+23
IEEE 754 binary64 (hex)0x44B52D02C7E14AF6the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x65A9681632-bit single precision, may lose accuracy
Rounding
To 0 decimal places1e+23
To 1 decimal place1e+23
To 2 decimal places1e+23
To 3 decimal places1e+23
To 4 decimal places1e+23
To 1 significant figure1e+23
To 2 significant figures1e+23
To 3 significant figures1e+23
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As a fraction
Also reads as
#001E23 (colour)
- #001E23
- Cyan
- Dark
- Nearest: Black
#001E23 is a cyan with RGB values 0, 30, 35 and HSL 189°, 100%, 7%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#001E23#001E23
HEX#001E23
RGBrgb(0, 30, 35)
RGB (0–1)0, 0.1176, 0.1373
RGB percentages0%, 11.8%, 13.7%
HSLhsl(188.6, 100%, 6.9%)
HSV / HSBhsv(188.6, 100%, 13.7%)
CMYK100%, 14.3%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,715
CSS custom property--colour: #001E23;
Brightness & contrast
Relative luminance0.0105WCAG 2.x, 0 is black and 1 is white
Perceived brightness25.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.36:1
Contrast with white17.36:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#FFE1DC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.36:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#230500
Analogous#002316, #000D23
Triadic#23001E, #1E2300
Split complementary#23000D, #231600
Tetradic#160023, #230500, #0D2300
Tints, shades & saturation
Channel breakdown
R0
G30
B35
Red0 (0%)
Green30 (11.8%)
Blue35 (13.7%)
Hue188.57°
Saturation (HSL)100%
Lightness6.86%
Dominant channelBlue
Hex per channelR 00 · G 1E · B 23
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