Recognised as Decimal number
2 × 10^15
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 1 s.f.
2 × 10^15 is a decimal number equal to 2,000,000,000,000,000⁄1. It lies between 2,000,000,000,000,000 and 2,000,000,000,000,000, and as a percentage it is 2 × 10^17%.
Number properties
Absolute value2 × 10^15
SignPositive
Integer part2,000,000,000,000,000
Fractional part0
Decimal places0
Ceiling2,000,000,000,000,000
Rounded to nearest2,000,000,000,000,000
Truncated2,000,000,000,000,000
Fractions & ratios
Ratio2,000,000,000,000,000 : 1
As a percentage2 × 10^17%
Reciprocal5 × 10^-16≈
Arithmetic
Double4 × 10^15
Half1 × 10^15
Square4 × 10^30
Cube8 × 10^45
Square root44,721,359.5499958≈
Cube root125,992.104989487≈
Negation-2 × 10^15
Natural logarithm35.2319235755≈
Logarithm base 1015.3010299957≈
Representations
Decimal2 × 10^15
Scientific notation2 × 10^15
Exponential2e+15
IEEE 754 binary64 (hex)0x431C6BF526340000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x58E35FA932-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written1counted from the digits as typed, not from the value
To 0 decimal places2000000000000000
To 1 decimal place2000000000000000.0
To 2 decimal places2000000000000000.00
To 3 decimal places2000000000000000.000
To 4 decimal places2000000000000000.0000
To 1 significant figure2e+15
To 2 significant figures2e+15
To 3 significant figures2e+15
To 4 significant figures2e+15
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Neighbouring values
As a fraction
Also reads as
#2E0015 (colour)
- #2E0015
- Red
- Dark
- Nearest: Black
#2E0015 is a red with RGB values 46, 0, 21 and HSL 333°, 100%, 9%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#2E0015#2E0015
HEX#2E0015
RGBrgb(46, 0, 21)
RGB (0–1)0.1804, 0, 0.0824
RGB percentages18%, 0%, 8.2%
HSLhsl(332.6, 100%, 9%)
HSV / HSBhsv(332.6, 100%, 18%)
CMYK0%, 100%, 54.3%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,014,677
CSS custom property--colour: #2E0015;
Brightness & contrast
Relative luminance0.00635WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.63:1
Contrast with white18.63:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#D1FFEA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.63:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#002E19
Analogous#2E002C, #2E0200
Triadic#152E00, #00152E
Split complementary#002E02, #002C2E
Tetradic#2C2E00, #002E19, #02002E
Tints, shades & saturation
Channel breakdown
R46
G0
B21
Red46 (18%)
Green0 (0%)
Blue21 (8.2%)
Hue332.61°
Saturation (HSL)100%
Lightness9.02%
Dominant channelRed
Hex per channelR 2E · G 00 · B 15
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Nerdulate something else
Nothing in mind? Surprise me · today’s page