Recognised as Decimal number

122.25

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

122.25 is a decimal number equal to 489⁄4. It lies between 122 and 123, and as a percentage it is 12,225%.

Number properties

Absolute value122.25

SignPositive

Integer part122

Fractional part0.25

Decimal places2

Floor122

Ceiling123

Rounded to nearest122

Truncated122

Fractions & ratios

As a fraction489/4exact

Ratio489 : 4

As a percentage12,225%

Reciprocal0.0081799591≈

Arithmetic

Double244.5

Half61.125

Square14,945.0625

Cube1,827,033.890625

Square root11.0566721937≈

Cube root4.963061109≈

Negation-122.25

Natural logarithm4.8060681284≈

Logarithm base 102.0872488678≈

Representations

Decimal122.25

Scientific notation1.2225 × 10^2

Exponential1.2225e+2

IEEE 754 binary64 (hex)0x405E900000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x42F4800032-bit single precision, may lose accuracy

Stored as122.25the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written5counted from the digits as typed, not from the value

To 0 decimal places122

To 1 decimal place122.3

To 2 decimal places122.25

To 3 decimal places122.250

To 4 decimal places122.2500

To 1 significant figure1e+2

To 2 significant figures1.2e+2

To 3 significant figures122

To 4 significant figures122.3

Keep nerding

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