Recognised as Decimal number

0.000042

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

0.000042 is a decimal number equal to 21⁄500,000. It lies between 0 and 1, and as a percentage it is 0.0042%.

Number properties

Absolute value0.000042

SignPositive

Integer part0

Fractional part0.000042

Decimal places6

Floor0

Ceiling1

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction21/500,000exact

Ratio21 : 500,000

As a percentage0.0042%

Reciprocal23,809.5238095238≈

Arithmetic

Double0.000084

Half0.000021

Square1.764 × 10^-9

Cube7.4088 × 10^-14

Square root0.0064807407≈

Cube root0.0347602664≈

Negation-0.000042

Natural logarithm-10.0778409397≈

Logarithm base 10-4.3767507096≈

Representations

Decimal0.000042

Scientific notation4.2 × 10^-5

Exponential4.2e-5

IEEE 754 binary64 (hex)0x3F06052502EEC7C9the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3830292832-bit single precision, may lose accuracy

Stored as0.000042the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written2counted 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 places0.0000

To 1 significant figure0.00004

To 2 significant figures0.000042

To 3 significant figures0.0000420

To 4 significant figures0.00004200

Keep nerding

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