Recognised as Decimal number

0.00049

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

0.00049 is a decimal number equal to 49⁄100,000. It lies between 0 and 1, and as a percentage it is 0.049%.

Number properties

Absolute value0.00049

SignPositive

Integer part0

Fractional part0.00049

Decimal places5

Floor0

Ceiling1

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction49/100,000exact

Ratio49 : 100,000

As a percentage0.049%

Reciprocal2,040.8163265306≈

Arithmetic

Double0.00098

Half0.000245

Square2.401 × 10^-7

Cube1.17649 × 10^-10

Square root0.0221359436≈

Cube root0.0788373516≈

Negation-0.00049

Natural logarithm-7.6211051669≈

Logarithm base 10-3.30980392≈

Representations

Decimal0.00049

Scientific notation4.9 × 10^-4

Exponential4.9e-4

IEEE 754 binary64 (hex)0x3F400E6AFCCE1C58the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3A00735832-bit single precision, may lose accuracy

Stored as0.00049the 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 places0.0005

To 1 significant figure0.0005

To 2 significant figures0.00049

To 3 significant figures0.000490

To 4 significant figures0.0004900

Keep nerding

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