Recognised as Decimal number

438.7

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

438.7 is a decimal number equal to 4,387⁄10. It lies between 438 and 439, and as a percentage it is 43,870%.

Number properties

Absolute value438.7

SignPositive

Integer part438

Fractional part0.7

Decimal places1

Floor438

Ceiling439

Rounded to nearest439

Truncated438

Fractions & ratios

As a fraction4,387/10exact

Ratio4,387 : 10

As a percentage43,870%

Reciprocal0.002279462≈

Arithmetic

Double877.4

Half219.35

Square192,457.69

Cube84,431,188.603

Square root20.9451665069≈

Cube root7.5984068683≈

Negation-438.7

Natural logarithm6.0838158082≈

Logarithm base 102.6421676344≈

Representations

Decimal438.7

Scientific notation4.387 × 10^2

Exponential4.387e+2

IEEE 754 binary64 (hex)0x407B6B3333333333the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x43DB599A32-bit single precision, may lose accuracy

Stored as438.7the 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 places439

To 1 decimal place438.7

To 2 decimal places438.70

To 3 decimal places438.700

To 4 decimal places438.7000

To 1 significant figure4e+2

To 2 significant figures4.4e+2

To 3 significant figures439

To 4 significant figures438.7

Keep nerding

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