Recognised as Decimal number

0.049

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

0.049 is a decimal number equal to 49⁄1,000. It lies between 0 and 1, and as a percentage it is 4.9%.

Number properties

Absolute value0.049

SignPositive

Integer part0

Fractional part0.049

Decimal places3

Floor0

Ceiling1

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction49/1,000exact

Ratio49 : 1,000

As a percentage4.9%

Reciprocal20.4081632653≈

Arithmetic

Double0.098

Half0.0245

Square0.002401

Cube0.000118

Square root0.2213594362≈

Cube root0.365930571≈

Negation-0.049

Natural logarithm-3.0159349809≈

Logarithm base 10-1.30980392≈

Representations

Decimal0.049

Scientific notation4.9 × 10^-2

Exponential4.9e-2

IEEE 754 binary64 (hex)0x3FA916872B020C4Athe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3D48B43932-bit single precision, may lose accuracy

Stored as0.049the 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 places0.05

To 3 decimal places0.049

To 4 decimal places0.0490

To 1 significant figure0.05

To 2 significant figures0.049

To 3 significant figures0.0490

To 4 significant figures0.04900

Keep nerding

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