Recognised as Decimal number

85.5

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

85.5 is a decimal number equal to 171⁄2. It lies between 85 and 86, and as a percentage it is 8,550%.

Number properties

Absolute value85.5

SignPositive

Integer part85

Fractional part0.5

Decimal places1

Floor85

Ceiling86

Rounded to nearest86

Truncated85

Fractions & ratios

As a fraction171/2exact

Ratio171 : 2

As a percentage8,550%

Reciprocal0.0116959064≈

Arithmetic

Double171

Half42.75

Square7,310.25

Cube625,026.375

Square root9.2466210045≈

Cube root4.4054340575≈

Negation-85.5

Natural logarithm4.4485163759≈

Logarithm base 101.9319661147≈

Representations

Decimal85.5

Scientific notation8.55 × 10^1

Exponential8.55e+1

IEEE 754 binary64 (hex)0x4055600000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x42AB000032-bit single precision, may lose accuracy

Stored as85.5the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written3counted from the digits as typed, not from the value

To 0 decimal places86

To 1 decimal place85.5

To 2 decimal places85.50

To 3 decimal places85.500

To 4 decimal places85.5000

To 1 significant figure9e+1

To 2 significant figures86

To 3 significant figures85.5

To 4 significant figures85.50

Keep nerding

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