Recognised as Decimal number

250.5

Positive
Decimal
1 d.p.
Exact fraction
4 s.f.

250.5 is a decimal number equal to 501⁄2. It lies between 250 and 251, and as a percentage it is 25,050%.

Number properties

Absolute value250.5

SignPositive

Integer part250

Fractional part0.5

Decimal places1

Floor250

Ceiling251

Rounded to nearest251

Truncated250

Fractions & ratios

As a fraction501/2exact

Ratio501 : 2

As a percentage25,050%

Reciprocal0.003992016≈

Arithmetic

Double501

Half125.25

Square62,750.25

Cube15,718,937.625

Square root15.8271917913≈

Cube root6.3038021896≈

Negation-250.5

Natural logarithm5.5234589205≈

Logarithm base 102.3988077302≈

Representations

Decimal250.5

Scientific notation2.505 × 10^2

Exponential2.505e+2

IEEE 754 binary64 (hex)0x406F500000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x437A800032-bit single precision, may lose accuracy

Stored as250.5the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written4counted from the digits as typed, not from the value

To 0 decimal places251

To 1 decimal place250.5

To 2 decimal places250.50

To 3 decimal places250.500

To 4 decimal places250.5000

To 1 significant figure3e+2

To 2 significant figures2.5e+2

To 3 significant figures251

To 4 significant figures250.5

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