Recognised as Decimal number
6.7 × 10^21
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
6.7 × 10^21 is a decimal number equal to 6,700,000,000,000,000,000,000⁄1. It lies between 6,700,000,000,000,000,000,000 and 6,700,000,000,000,000,000,000, and as a percentage it is 6.7 × 10^23%.
Number properties
Absolute value6.7 × 10^21
SignPositive
Integer part6,700,000,000,000,000,000,000
Fractional part0
Decimal places0
Rounded to nearest6,700,000,000,000,000,000,000
Truncated6,700,000,000,000,000,000,000
Fractions & ratios
Ratio6,700,000,000,000,000,000,000 : 1
As a percentage6.7 × 10^23%
Reciprocal1.49253731 × 10^-22≈
Arithmetic
Double1.34 × 10^22
Half3.35 × 10^21
Square4.489 × 10^43
Cube3.00763 × 10^65
Square root81,853,527,718.7245≈
Cube root18,852,036.3102099≈
Negation-6.7 × 10^21
Natural logarithm50.2563944793≈
Logarithm base 1021.8260748027≈
Representations
Decimal6.7 × 10^21
Scientific notation6.7 × 10^21
Exponential6.7e+21
IEEE 754 binary64 (hex)0x4476B352DA5E0ED3the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x63B59A9732-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places6.7e+21
To 1 decimal place6.7e+21
To 2 decimal places6.7e+21
To 3 decimal places6.7e+21
To 4 decimal places6.7e+21
To 1 significant figure7e+21
To 2 significant figures6.7e+21
To 3 significant figures6.7e+21
To 4 significant figures6.7e+21
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Neighbouring values
As a fraction
Also reads as
#670E19 (colour)
- #670E19
- Red
- Dark
- Nearest: Maroon
#670E19 is a red with RGB values 103, 14, 25 and HSL 353°, 76%, 23%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Maroon.
Colour values
#670E19#670E19
HEX#670E19
RGBrgb(103, 14, 25)
RGB (0–1)0.4039, 0.0549, 0.098
RGB percentages40.4%, 5.5%, 9.8%
HSLhsl(352.6, 76.1%, 22.9%)
HSV / HSBhsv(352.6, 86.4%, 40.4%)
CMYK0%, 86.4%, 75.7%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,753,817
CSS custom property--colour: #670E19;
Brightness & contrast
Relative luminance0.03268WCAG 2.x, 0 is black and 1 is white
Perceived brightness58 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.7:1
Contrast with white12.7:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#98F1E6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.7:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0E675C
Analogous#670E46, #67300E
Triadic#19670E, #0E1967
Split complementary#0E6730, #0E4667
Tetradic#45670E, #0E675C, #2F0E67
Tints, shades & saturation
Channel breakdown
R103
G14
B25
Red103 (40.4%)
Green14 (5.5%)
Blue25 (9.8%)
Hue352.58°
Saturation (HSL)76.07%
Lightness22.94%
Dominant channelRed
Hex per channelR 67 · G 0E · B 19
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