Recognised as Decimal number

38.1

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

38.1 is a decimal number equal to 381⁄10. It lies between 38 and 39, and as a percentage it is 3,810%.

Number properties

Absolute value38.1

SignPositive

Integer part38

Fractional part0.1

Decimal places1

Floor38

Ceiling39

Rounded to nearest38

Truncated38

Fractions & ratios

As a fraction381/10exact

Ratio381 : 10

As a percentage3,810%

Reciprocal0.0262467192≈

Arithmetic

Double76.2

Half19.05

Square1,451.61

Cube55,306.341

Square root6.1725197448≈

Cube root3.3649219249≈

Negation-38.1

Natural logarithm3.6402142821≈

Logarithm base 101.5809249757≈

Representations

Decimal38.1

Scientific notation3.81 × 10^1

Exponential3.81e+1

IEEE 754 binary64 (hex)0x40430CCCCCCCCCCDthe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x4218666632-bit single precision, may lose accuracy

Stored as38.1the 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 places38

To 1 decimal place38.1

To 2 decimal places38.10

To 3 decimal places38.100

To 4 decimal places38.1000

To 1 significant figure4e+1

To 2 significant figures38

To 3 significant figures38.1

To 4 significant figures38.10

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