Recognised as Decimal number

265.5

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

265.5 is a decimal number equal to 531⁄2. It lies between 265 and 266, and as a percentage it is 26,550%.

Number properties

Absolute value265.5

SignPositive

Integer part265

Fractional part0.5

Decimal places1

Floor265

Ceiling266

Rounded to nearest266

Truncated265

Fractions & ratios

As a fraction531/2exact

Ratio531 : 2

As a percentage26,550%

Reciprocal0.0037664783≈

Arithmetic

Double531

Half132.75

Square70,490.25

Cube18,715,161.375

Square root16.2941707368≈

Cube root6.4271954727≈

Negation-265.5

Natural logarithm5.5816148407≈

Logarithm base 102.4240645254≈

Representations

Decimal265.5

Scientific notation2.655 × 10^2

Exponential2.655e+2

IEEE 754 binary64 (hex)0x4070980000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x4384C00032-bit single precision, may lose accuracy

Stored as265.5the 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 places266

To 1 decimal place265.5

To 2 decimal places265.50

To 3 decimal places265.500

To 4 decimal places265.5000

To 1 significant figure3e+2

To 2 significant figures2.7e+2

To 3 significant figures266

To 4 significant figures265.5

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