Recognised as Decimal number

-0.99998834

Negative
Decimal
8 d.p.
8 s.f.

-0.999988 is a decimal number equal to approximately -600,336⁄600,343. It lies between -1 and 0, and as a percentage it is -99.998834%.

Number properties

Absolute value0.999988

SignNegative

Integer part0

Fractional part0.99998834

Decimal places8

Floor-1

Ceiling0

Rounded to nearest-1

Truncated0

Fractions & ratios

As a fraction-600,336/600,343≈≈ -0.999988339999

Ratio-600,336 : 600,343

As a percentage-99.998834%

Reciprocal-1.0000116601≈

Arithmetic

Double-1.999977

Half-0.499994

Square0.999977

Cube-0.999965

Cube root-0.9999961133≈

Negation0.999988

Representations

Decimal-0.99998834

Scientific notation-9.9998834 × 10^-1

Exponential-9.9998834e-1

IEEE 754 binary64 (hex)0xBFEFFFE78C15CD72the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xBF7FFF3C32-bit single precision, may lose accuracy

Stored as-0.99998834the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written8counted 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-1.000

To 4 decimal places-1.0000

To 1 significant figure-1

To 2 significant figures-1.0

To 3 significant figures-1.00

To 4 significant figures-1.000

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