Recognised as Decimal number

488.9

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

488.9 is a decimal number equal to 4,889⁄10. It lies between 488 and 489, and as a percentage it is 48,890%.

Number properties

Absolute value488.9

SignPositive

Integer part488

Fractional part0.9

Decimal places1

Floor488

Ceiling489

Rounded to nearest489

Truncated488

Fractions & ratios

As a fraction4,889/10exact

Ratio4,889 : 10

As a percentage48,890%

Reciprocal0.0020454081≈

Arithmetic

Double977.8

Half244.45

Square239,023.21

Cube116,858,447.369

Square root22.1110831937≈

Cube root7.8778313494≈

Negation-488.9

Natural logarithm6.1921579696≈

Logarithm base 102.6892200373≈

Representations

Decimal488.9

Scientific notation4.889 × 10^2

Exponential4.889e+2

IEEE 754 binary64 (hex)0x407E8E6666666666the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x43F4733332-bit single precision, may lose accuracy

Stored as488.9the 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 places489

To 1 decimal place488.9

To 2 decimal places488.90

To 3 decimal places488.900

To 4 decimal places488.9000

To 1 significant figure5e+2

To 2 significant figures4.9e+2

To 3 significant figures489

To 4 significant figures488.9

Keep nerding

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