Recognised as Decimal number

242.5

Positive
Decimal
1 d.p.
Exact fraction
4 s.f.

242.5 is a decimal number equal to 485⁄2. It lies between 242 and 243, and as a percentage it is 24,250%.

Number properties

Absolute value242.5

SignPositive

Integer part242

Fractional part0.5

Decimal places1

Floor242

Ceiling243

Rounded to nearest243

Truncated242

Fractions & ratios

As a fraction485/2exact

Ratio485 : 2

As a percentage24,250%

Reciprocal0.0041237113≈

Arithmetic

Double485

Half121.25

Square58,806.25

Cube14,260,515.625

Square root15.5724115024≈

Cube root6.2359685224≈

Negation-242.5

Natural logarithm5.4910017104≈

Logarithm base 102.3847117429≈

Representations

Decimal242.5

Scientific notation2.425 × 10^2

Exponential2.425e+2

IEEE 754 binary64 (hex)0x406E500000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x4372800032-bit single precision, may lose accuracy

Stored as242.5the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written4counted from the digits as typed, not from the value

To 0 decimal places243

To 1 decimal place242.5

To 2 decimal places242.50

To 3 decimal places242.500

To 4 decimal places242.5000

To 1 significant figure2e+2

To 2 significant figures2.4e+2

To 3 significant figures243

To 4 significant figures242.5

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