Recognised as Decimal number

-669.5

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

-669.5 is a decimal number equal to -1,339⁄2. It lies between -670 and -669, and as a percentage it is -66,950%.

Number properties

Absolute value669.5

SignNegative

Integer part-669

Fractional part0.5

Decimal places1

Floor-670

Ceiling-669

Rounded to nearest-669

Truncated-669

Fractions & ratios

As a fraction-1,339/2exact

Ratio-1,339 : 2

As a percentage-66,950%

Reciprocal-0.001493652≈

Arithmetic

Double-1,339

Half-334.75

Square448,230.25

Cube-300,090,152.375

Cube root-8.7481628796≈

Negation669.5

Representations

Decimal-669.5

Scientific notation-6.695 × 10^2

Exponential-6.695e+2

IEEE 754 binary64 (hex)0xC084EC0000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xC427600032-bit single precision, may lose accuracy

Stored as-669.5the 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-670

To 1 decimal place-669.5

To 2 decimal places-669.50

To 3 decimal places-669.500

To 4 decimal places-669.5000

To 1 significant figure-7e+2

To 2 significant figures-6.7e+2

To 3 significant figures-670

To 4 significant figures-669.5

Keep nerding

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