Recognised as Decimal number
4.28 × 10^42
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
4.28 × 10^42 is a decimal number equal to 4,280,000,000,000,000,173,541,749,672,884,219,718,664,192⁄1. It lies between 4,280,000,000,000,000,173,541,749,672,884,219,718,664,192 and 4,280,000,000,000,000,173,541,749,672,884,219,718,664,192, and as a percentage it is 4.28 × 10^44%.
Number properties
Absolute value4.28 × 10^42
SignPositive
Integer part4,280,000,000,000,000,173,541,749,672,884,219,718,664,192
Fractional part0
Decimal places0
Rounded to nearest4,280,000,000,000,000,173,541,749,672,884,219,718,664,192
Fractions & ratios
Ratio4,280,000,000,000,000,173,541,749,672,884,219,718,664,192 : 1
As a percentage4.28 × 10^44%
Reciprocal2.3364486 × 10^-43≈
Arithmetic
Double8.56 × 10^42
Half2.14 × 10^42
Square1.83184 × 10^85
Cube7.8402752 × 10^127
Square root2.06881609 × 10^21≈
Cube root162,360,827,585,985≈
Negation-4.28 × 10^42
Natural logarithm98.1625269153≈
Logarithm base 1042.631443769≈
Representations
Decimal4.28 × 10^42
Scientific notation4.28 × 10^42
Exponential4.28e+42
IEEE 754 binary64 (hex)0x48C890E510194F72the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x7F80000032-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places4.28e+42
To 1 decimal place4.28e+42
To 2 decimal places4.28e+42
To 3 decimal places4.28e+42
To 4 decimal places4.28e+42
To 1 significant figure4e+42
To 2 significant figures4.3e+42
To 3 significant figures4.28e+42
To 4 significant figures4.28e+42
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Also reads as
#428E40 (colour)
- #428E40
- Green
- Dark
- Nearest: Sea green
#428E40 is a green with RGB values 66, 142, 64 and HSL 118°, 38%, 40%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Sea green.
Colour values
#428E40#428E40
HEX#428E40
RGBrgb(66, 142, 64)
RGB (0–1)0.2588, 0.5569, 0.251
RGB percentages25.9%, 55.7%, 25.1%
HSLhsl(118.5, 37.9%, 40.4%)
HSV / HSBhsv(118.5, 54.9%, 55.7%)
CMYK53.5%, 0%, 54.9%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,361,792
CSS custom property--colour: #428E40;
Brightness & contrast
Relative luminance0.20874WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.17:1
Contrast with white4.06:1WCAG normal text: Fail
Contrast with black5.17:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#BD71BF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.06:1WCAG large text: AA
Contrast with black, large text5.17:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8C408E
Analogous#698E40, #408E65
Triadic#40428E, #8E4042
Split complementary#65408E, #8E4069
Tetradic#40698E, #8C408E, #8E6540
Tints, shades & saturation
Channel breakdown
R66
G142
B64
Red66 (25.9%)
Green142 (55.7%)
Blue64 (25.1%)
Hue118.46°
Saturation (HSL)37.86%
Lightness40.39%
Dominant channelGreen
Hex per channelR 42 · G 8E · B 40
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Harmonies
Similar named colours
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