Recognised as Decimal number

489.82

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

489.82 is a decimal number equal to 24,491⁄50. It lies between 489 and 490, and as a percentage it is 48,982%.

Number properties

Absolute value489.82

SignPositive

Integer part489

Fractional part0.82

Decimal places2

Floor489

Ceiling490

Rounded to nearest490

Truncated489

Fractions & ratios

As a fraction24,491/50exact

Ratio24,491 : 50

As a percentage48,982%

Reciprocal0.0020415663≈

Arithmetic

Double979.64

Half244.91

Square239,923.6324

Cube117,519,393.622168

Square root22.1318774622≈

Cube root7.8827696895≈

Negation-489.82

Natural logarithm6.1940379767≈

Logarithm base 102.690036514≈

Representations

Decimal489.82

Scientific notation4.8982 × 10^2

Exponential4.8982e+2

IEEE 754 binary64 (hex)0x407E9D1EB851EB85the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x43F4E8F632-bit single precision, may lose accuracy

Stored as489.82the 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 places490

To 1 decimal place489.8

To 2 decimal places489.82

To 3 decimal places489.820

To 4 decimal places489.8200

To 1 significant figure5e+2

To 2 significant figures4.9e+2

To 3 significant figures490

To 4 significant figures489.8

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