Recognised as Decimal number

-0.998909

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

-0.998909 is a decimal number equal to -998,909⁄1,000,000. It lies between -1 and 0, and as a percentage it is -99.8909%.

Number properties

Absolute value0.998909

SignNegative

Integer part0

Fractional part0.998909

Decimal places6

Floor-1

Ceiling0

Rounded to nearest-1

Truncated0

Fractions & ratios

As a fraction-998,909/1,000,000exact

Ratio-998,909 : 1,000,000

As a percentage-99.8909%

Reciprocal-1.0010921916≈

Arithmetic

Double-1.997818

Half-0.499455

Square0.997819

Cube-0.996731

Cube root-0.999636201≈

Negation0.998909

Representations

Decimal-0.998909

Scientific notation-9.98909 × 10^-1

Exponential-9.98909e-1

IEEE 754 binary64 (hex)0xBFEFF71001D5C316the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xBF7FB88032-bit single precision, may lose accuracy

Stored as-0.998909the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written6counted from the digits as typed, not from the value

To 0 decimal places-1

To 1 decimal place-1.0

To 2 decimal places-1.00

To 3 decimal places-0.999

To 4 decimal places-0.9989

To 1 significant figure-1

To 2 significant figures-1.0

To 3 significant figures-0.999

To 4 significant figures-0.9989

Keep nerding

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