Recognised as Decimal number

400.25

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

400.25 is a decimal number equal to 1,601⁄4. It lies between 400 and 401, and as a percentage it is 40,025%.

Number properties

Absolute value400.25

SignPositive

Integer part400

Fractional part0.25

Decimal places2

Floor400

Ceiling401

Rounded to nearest400

Truncated400

Fractions & ratios

As a fraction1,601/4exact

Ratio1,601 : 4

As a percentage40,025%

Reciprocal0.0024984385≈

Arithmetic

Double800.5

Half200.125

Square160,200.0625

Cube64,120,075.015625

Square root20.0062490237≈

Cube root7.3695976907≈

Negation-400.25

Natural logarithm5.9920893519≈

Logarithm base 102.6023313406≈

Representations

Decimal400.25

Scientific notation4.0025 × 10^2

Exponential4.0025e+2

IEEE 754 binary64 (hex)0x4079040000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x43C8200032-bit single precision, may lose accuracy

Stored as400.25the 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 places400

To 1 decimal place400.3

To 2 decimal places400.25

To 3 decimal places400.250

To 4 decimal places400.2500

To 1 significant figure4e+2

To 2 significant figures4e+2

To 3 significant figures400

To 4 significant figures400.3

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