Decimal number

164.5

Positive
Decimal
1 d.p.
Exact fraction

164.5 is a decimal number equal to 329⁄2. It lies between 164 and 165, and as a percentage it is 16,450%.

Number properties

Absolute value164.5

SignPositive

Integer part164

Fractional part0.5

Decimal places1

Floor164

Ceiling165

Rounded to nearest165

Truncated164

Fractions & ratios

As a fraction329/2exact

Ratio329 : 2

As a percentage16,450%

Reciprocal0.0060790274≈

Arithmetic

Double329

Half82.25

Square27,060.25

Cube4,451,411.125

Square root12.8257553384≈

Cube root5.4792607382≈

Negation-164.5

Natural logarithm5.1029105702≈

Logarithm base 102.2161659023≈

Representations

Decimal164.5

Scientific notation1.645 × 10^2

Exponential1.645e+2

IEEE 754 binary64 (hex)0x4064900000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x4324800032-bit single precision, may lose accuracy

Stored as164.5the nearest binary64 value to what you typed

Rounding

To 0 decimal places165

To 1 decimal place164.5

To 2 decimal places164.50

To 3 decimal places164.500

To 4 decimal places164.5000

To 1 significant figure200

To 2 significant figures160

To 3 significant figures165

Keep nerding

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