Recognised as Decimal number
8.42 × 10^16
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
8.42 × 10^16 is a decimal number equal to 84,200,000,000,000,000⁄1. It lies between 84,200,000,000,000,000 and 84,200,000,000,000,000, and as a percentage it is 8.42 × 10^18%.
Number properties
Absolute value8.42 × 10^16
SignPositive
Integer part84,200,000,000,000,000
Fractional part0
Decimal places0
Ceiling84,200,000,000,000,000
Rounded to nearest84,200,000,000,000,000
Truncated84,200,000,000,000,000
Fractions & ratios
Ratio84,200,000,000,000,000 : 1
As a percentage8.42 × 10^18%
Reciprocal1.18764846 × 10^-17≈
Arithmetic
Double1.684 × 10^17
Half4.21 × 10^16
Square7.08964 × 10^33
Cube5.96947688 × 10^50
Square root290,172,362.570938≈
Cube root438,299.219379376≈
Negation-8.42 × 10^16
Natural logarithm38.9719713162≈
Logarithm base 1016.9253120915≈
Representations
Decimal8.42 × 10^16
Scientific notation8.42 × 10^16
Exponential8.42e+16
IEEE 754 binary64 (hex)0x4372B23743216800the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x5B9591BA32-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places84200000000000000
To 1 decimal place84200000000000000.0
To 2 decimal places84200000000000000.00
To 3 decimal places84200000000000000.000
To 4 decimal places84200000000000000.0000
To 1 significant figure8e+16
To 2 significant figures8.4e+16
To 3 significant figures8.42e+16
To 4 significant figures8.42e+16
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Neighbouring values
As a fraction
Also reads as
#842E14 (colour)
- #842E14
- Red
- Dark
- Nearest: Saddle brown
#842E14 is a red with RGB values 132, 46, 20 and HSL 14°, 74%, 30%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.
Colour values
#842E14#842E14
HEX#842E14
RGBrgb(132, 46, 20)
RGB (0–1)0.5176, 0.1804, 0.0784
RGB percentages51.8%, 18%, 7.8%
HSLhsl(13.9, 73.7%, 29.8%)
HSV / HSBhsv(13.9, 84.8%, 51.8%)
CMYK0%, 65.2%, 84.8%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,662,548
CSS custom property--colour: #842E14;
Brightness & contrast
Relative luminance0.0691WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.82:1
Contrast with white8.82:1WCAG normal text: AAA
Contrast with black2.38:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#7BD1EB
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.82:1WCAG large text: AAA
Contrast with black, large text2.38:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#146A84
Analogous#841432, #846614
Triadic#14842E, #2E1484
Split complementary#148466, #143284
Tetradic#328414, #146A84, #661484
Tints, shades & saturation
Channel breakdown
R132
G46
B20
Red132 (51.8%)
Green46 (18%)
Blue20 (7.8%)
Hue13.93°
Saturation (HSL)73.68%
Lightness29.8%
Dominant channelRed
Hex per channelR 84 · G 2E · B 14
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