Recognised as Decimal number

-138.3

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

-138.3 is a decimal number equal to -1,383⁄10. It lies between -139 and -138, and as a percentage it is -13,830%.

Number properties

Absolute value138.3

SignNegative

Integer part-138

Fractional part0.3

Decimal places1

Floor-139

Ceiling-138

Rounded to nearest-138

Truncated-138

Fractions & ratios

As a fraction-1,383/10exact

Ratio-1,383 : 10

As a percentage-13,830%

Reciprocal-0.007230658≈

Arithmetic

Double-276.6

Half-69.15

Square19,126.89

Cube-2,645,248.887

Cube root-5.1713912155≈

Negation138.3

Representations

Decimal-138.3

Scientific notation-1.383 × 10^2

Exponential-1.383e+2

IEEE 754 binary64 (hex)0xC06149999999999Athe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xC30A4CCD32-bit single precision, may lose accuracy

Stored as-138.3the 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-138

To 1 decimal place-138.3

To 2 decimal places-138.30

To 3 decimal places-138.300

To 4 decimal places-138.3000

To 1 significant figure-1e+2

To 2 significant figures-1.4e+2

To 3 significant figures-138

To 4 significant figures-138.3

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.