Recognised as Decimal number

0.729

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

0.729 is a decimal number equal to 729⁄1,000. It lies between 0 and 1, and as a percentage it is 72.9%.

Number properties

Absolute value0.729

SignPositive

Integer part0

Fractional part0.729

Decimal places3

Floor0

Ceiling1

Rounded to nearest1

Truncated0

Fractions & ratios

As a fraction729/1,000exact

Ratio729 : 1,000

As a percentage72.9%

Reciprocal1.3717421125≈

Arithmetic

Double1.458

Half0.3645

Square0.531441

Cube0.38742

Square root0.8538149682≈

Cube root0.9≈

Negation-0.729

Natural logarithm-0.316081547≈

Logarithm base 10-0.1372724717≈

Representations

Decimal0.729

Scientific notation7.29 × 10^-1

Exponential7.29e-1

IEEE 754 binary64 (hex)0x3FE753F7CED91687the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3F3A9FBE32-bit single precision, may lose accuracy

Stored as0.729the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written3counted from the digits as typed, not from the value

To 0 decimal places1

To 1 decimal place0.7

To 2 decimal places0.73

To 3 decimal places0.729

To 4 decimal places0.7290

To 1 significant figure0.7

To 2 significant figures0.73

To 3 significant figures0.729

To 4 significant figures0.7290

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