Recognised as Decimal number
3.48 × 10^21
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 3 s.f.
3.48 × 10^21 is a decimal number equal to 3,480,000,000,000,000,000,000⁄1. It lies between 3,480,000,000,000,000,000,000 and 3,480,000,000,000,000,000,000, and as a percentage it is 3.48 × 10^23%.
Number properties
Absolute value3.48 × 10^21
SignPositive
Integer part3,480,000,000,000,000,000,000
Fractional part0
Decimal places0
Rounded to nearest3,480,000,000,000,000,000,000
Truncated3,480,000,000,000,000,000,000
Fractions & ratios
Ratio3,480,000,000,000,000,000,000 : 1
As a percentage3.48 × 10^23%
Reciprocal2.87356322 × 10^-22≈
Arithmetic
Double6.96 × 10^21
Half1.74 × 10^21
Square1.21104 × 10^43
Cube4.2144192 × 10^64
Square root58,991,524,815.0105≈
Cube root15,153,969.7033502≈
Negation-3.48 × 10^21
Natural logarithm49.6013192467≈
Logarithm base 1021.5415792439≈
Representations
Decimal3.48 × 10^21
Scientific notation3.48 × 10^21
Exponential3.48e+21
IEEE 754 binary64 (hex)0x446794D673456EECthe exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x633CA6B432-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written3counted from the digits as typed, not from the value
To 0 decimal places3.48e+21
To 1 decimal place3.48e+21
To 2 decimal places3.48e+21
To 3 decimal places3.48e+21
To 4 decimal places3.48e+21
To 1 significant figure3e+21
To 2 significant figures3.5e+21
To 3 significant figures3.48e+21
To 4 significant figures3.48e+21
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Neighbouring values
As a fraction
Also reads as
#348E19 (colour)
- #348E19
- Green
- Dark
- Nearest: Forest green
#348E19 is a green with RGB values 52, 142, 25 and HSL 106°, 70%, 33%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Forest green.
Colour values
#348E19#348E19
HEX#348E19
RGBrgb(52, 142, 25)
RGB (0–1)0.2039, 0.5569, 0.098
RGB percentages20.4%, 55.7%, 9.8%
HSLhsl(106.2, 70.1%, 32.7%)
HSV / HSBhsv(106.2, 82.4%, 55.7%)
CMYK63.4%, 0%, 82.4%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,444,249
CSS custom property--colour: #348E19;
Brightness & contrast
Relative luminance0.20146WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.03:1
Contrast with white4.18:1WCAG normal text: Fail
Contrast with black5.03:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#CB71E6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.18:1WCAG large text: AA
Contrast with black, large text5.03:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#73198E
Analogous#6F8E19, #198E38
Triadic#19348E, #8E1934
Split complementary#39198E, #8E196E
Tetradic#196E8E, #73198E, #8E3819
Tints, shades & saturation
Channel breakdown
R52
G142
B25
Red52 (20.4%)
Green142 (55.7%)
Blue25 (9.8%)
Hue106.15°
Saturation (HSL)70.06%
Lightness32.75%
Dominant channelGreen
Hex per channelR 34 · G 8E · B 19
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Harmonies
Similar named colours
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