Recognised as Decimal number

-0.8991

Negative
Decimal
4 d.p.
Exact fraction
4 s.f.

-0.8991 is a decimal number equal to -8,991⁄10,000. It lies between -1 and 0, and as a percentage it is -89.91%.

Number properties

Absolute value0.8991

SignNegative

Integer part0

Fractional part0.8991

Decimal places4

Floor-1

Ceiling0

Rounded to nearest-1

Truncated0

Fractions & ratios

As a fraction-8,991/10,000exact

Ratio-8,991 : 10,000

As a percentage-89.91%

Reciprocal-1.1122233344≈

Arithmetic

Double-1.7982

Half-0.44955

Square0.808381

Cube-0.726815

Cube root-0.9651674475≈

Negation0.8991

Representations

Decimal-0.8991

Scientific notation-8.991 × 10^-1

Exponential-8.991e-1

IEEE 754 binary64 (hex)0xBFECC56D5CFAACDAthe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xBF662B6B32-bit single precision, may lose accuracy

Stored as-0.8991the 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 places-1

To 1 decimal place-0.9

To 2 decimal places-0.90

To 3 decimal places-0.899

To 4 decimal places-0.8991

To 1 significant figure-0.9

To 2 significant figures-0.90

To 3 significant figures-0.899

To 4 significant figures-0.8991

Keep nerding

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