Recognised as Decimal number

0.6625

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

0.6625 is a decimal number equal to 53⁄80. It lies between 0 and 1, and as a percentage it is 66.25%.

Number properties

Absolute value0.6625

SignPositive

Integer part0

Fractional part0.6625

Decimal places4

Floor0

Ceiling1

Rounded to nearest1

Truncated0

Fractions & ratios

As a fraction53/80exact

Ratio53 : 80

As a percentage66.25%

Reciprocal1.5094339623≈

Arithmetic

Double1.325

Half0.33125

Square0.438906

Cube0.290775

Square root0.8139410298≈

Cube root0.8717567006≈

Negation-0.6625

Natural logarithm-0.4117347211≈

Logarithm base 10-0.1788141174≈

Representations

Decimal0.6625

Scientific notation6.625 × 10^-1

Exponential6.625e-1

IEEE 754 binary64 (hex)0x3FE5333333333333the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3F29999A32-bit single precision, may lose accuracy

Stored as0.6625the 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 places1

To 1 decimal place0.7

To 2 decimal places0.66

To 3 decimal places0.662

To 4 decimal places0.6625

To 1 significant figure0.7

To 2 significant figures0.66

To 3 significant figures0.662

To 4 significant figures0.6625

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