Recognised as Decimal number

-1.999284

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

-1.999284 is a decimal number equal to -499,821⁄250,000. It lies between -2 and -1, and as a percentage it is -199.9284%.

Number properties

Absolute value1.999284

SignNegative

Integer part-1

Fractional part0.999284

Decimal places6

Floor-2

Ceiling-1

Rounded to nearest-2

Truncated-1

Fractions & ratios

As a fraction-499,821/250,000exact

Ratio-499,821 : 250,000

As a percentage-199.9284%

Reciprocal-0.5001790641≈

Arithmetic

Double-3.998568

Half-0.999642

Square3.997137

Cube-7.991411

Cube root-1.2597706814≈

Negation1.999284

Representations

Decimal-1.999284

Scientific notation-1.999284 × 10^0

Exponential-1.999284e+0

IEEE 754 binary64 (hex)0xBFFFFD113836A833the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xBFFFE88A32-bit single precision, may lose accuracy

Stored as-1.999284the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written7counted from the digits as typed, not from the value

To 0 decimal places-2

To 1 decimal place-2.0

To 2 decimal places-2.00

To 3 decimal places-1.999

To 4 decimal places-1.9993

To 1 significant figure-2

To 2 significant figures-2.0

To 3 significant figures-2.00

To 4 significant figures-1.999

Keep nerding

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