Recognised as Decimal number

0.1009

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

0.1009 is a decimal number equal to 1,009⁄10,000. It lies between 0 and 1, and as a percentage it is 10.09%.

Number properties

Absolute value0.1009

SignPositive

Integer part0

Fractional part0.1009

Decimal places4

Floor0

Ceiling1

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction1,009/10,000exact

Ratio1,009 : 10,000

As a percentage10.09%

Reciprocal9.910802775≈

Arithmetic

Double0.2018

Half0.05045

Square0.010181

Cube0.001027

Square root0.3176476035≈

Cube root0.4655472033≈

Negation-0.1009

Natural logarithm-2.2936253516≈

Logarithm base 10-0.9961088338≈

Representations

Decimal0.1009

Scientific notation1.009 × 10^-1

Exponential1.009e-1

IEEE 754 binary64 (hex)0x3FB9D495182A9931the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3DCEA4A932-bit single precision, may lose accuracy

Stored as0.1009the 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 places0

To 1 decimal place0.1

To 2 decimal places0.10

To 3 decimal places0.101

To 4 decimal places0.1009

To 1 significant figure0.1

To 2 significant figures0.10

To 3 significant figures0.101

To 4 significant figures0.1009

Keep nerding

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