Decimal number

-2.64

Negative
Decimal
2 d.p.
Exact fraction

-2.64 is a decimal number equal to -66⁄25. It lies between -3 and -2, and as a percentage it is -264%.

Number properties

Absolute value2.64

SignNegative

Integer part-2

Fractional part0.64

Decimal places2

Floor-3

Ceiling-2

Rounded to nearest-3

Truncated-2

Fractions & ratios

As a fraction-66/25exact

Ratio-66 : 25

As a percentage-264%

Reciprocal-0.3787878788≈

Arithmetic

Double-5.28

Half-1.32

Square6.9696

Cube-18.399744

Cube root-1.382084646≈

Negation2.64

Representations

Decimal-2.64

Scientific notation-2.64 × 10^0

Exponential-2.64e+0

IEEE 754 binary64 (hex)0xC0051EB851EB851Fthe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xC028F5C332-bit single precision, may lose accuracy

Stored as-2.64the nearest binary64 value to what you typed

Rounding

To 0 decimal places-3

To 1 decimal place-2.6

To 2 decimal places-2.64

To 3 decimal places-2.640

To 4 decimal places-2.6400

To 1 significant figure-3

To 2 significant figures-2.6

To 3 significant figures-2.64

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