Recognised as Decimal number

-0.999788

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

-0.999788 is a decimal number equal to -249,947⁄250,000. It lies between -1 and 0, and as a percentage it is -99.9788%.

Number properties

Absolute value0.999788

SignNegative

Integer part0

Fractional part0.999788

Decimal places6

Floor-1

Ceiling0

Rounded to nearest-1

Truncated0

Fractions & ratios

As a fraction-249,947/250,000exact

Ratio-249,947 : 250,000

As a percentage-99.9788%

Reciprocal-1.000212045≈

Arithmetic

Double-1.999576

Half-0.499894

Square0.999576

Cube-0.999364

Cube root-0.9999293283≈

Negation0.999788

Representations

Decimal-0.999788

Scientific notation-9.99788 × 10^-1

Exponential-9.99788e-1

IEEE 754 binary64 (hex)0xBFEFFE43675DDD2Bthe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xBF7FF21B32-bit single precision, may lose accuracy

Stored as-0.999788the 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-1.000

To 4 decimal places-0.9998

To 1 significant figure-1

To 2 significant figures-1.0

To 3 significant figures-1.00

To 4 significant figures-0.9998

Keep nerding

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