Recognised as Decimal number

0.000381

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

0.000381 is a decimal number equal to 381⁄1,000,000. It lies between 0 and 1, and as a percentage it is 0.0381%.

Number properties

Absolute value0.000381

SignPositive

Integer part0

Fractional part0.000381

Decimal places6

Floor0

Ceiling1

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction381/1,000,000exact

Ratio381 : 1,000,000

As a percentage0.0381%

Reciprocal2,624.6719160105≈

Arithmetic

Double0.000762

Half0.00019

Square1.45161 × 10^-7

Cube5.5306341 × 10^-11

Square root0.0195192213≈

Cube root0.0724950452≈

Negation-0.000381

Natural logarithm-7.8727111828≈

Logarithm base 10-3.4190750243≈

Representations

Decimal0.000381

Scientific notation3.81 × 10^-4

Exponential3.81e-4

IEEE 754 binary64 (hex)0x3F38F81E8A2EC28Bthe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x39C7C0F432-bit single precision, may lose accuracy

Stored as0.000381the 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 places0

To 1 decimal place0.0

To 2 decimal places0.00

To 3 decimal places0.000

To 4 decimal places0.0004

To 1 significant figure0.0004

To 2 significant figures0.00038

To 3 significant figures0.000381

To 4 significant figures0.0003810

Keep nerding

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