Recognised as Decimal number

126.4

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

126.4 is a decimal number equal to 632⁄5. It lies between 126 and 127, and as a percentage it is 12,640%.

Number properties

Absolute value126.4

SignPositive

Integer part126

Fractional part0.4

Decimal places1

Floor126

Ceiling127

Rounded to nearest126

Truncated126

Fractions & ratios

As a fraction632/5exact

Ratio632 : 5

As a percentage12,640%

Reciprocal0.0079113924≈

Arithmetic

Double252.8

Half63.2

Square15,976.96

Cube2,019,487.744

Square root11.242775458≈

Cube root5.0185974082≈

Negation-126.4

Natural logarithm4.8394514817≈

Logarithm base 102.1017470739≈

Representations

Decimal126.4

Scientific notation1.264 × 10^2

Exponential1.264e+2

IEEE 754 binary64 (hex)0x405F99999999999Athe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x42FCCCCD32-bit single precision, may lose accuracy

Stored as126.4the 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 places126

To 1 decimal place126.4

To 2 decimal places126.40

To 3 decimal places126.400

To 4 decimal places126.4000

To 1 significant figure1e+2

To 2 significant figures1.3e+2

To 3 significant figures126

To 4 significant figures126.4

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