Recognised as Decimal number

-0.021091

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

-0.021091 is a decimal number equal to -21,091⁄1,000,000. It lies between -1 and 0, and as a percentage it is -2.1091%.

Number properties

Absolute value0.021091

SignNegative

Integer part0

Fractional part0.021091

Decimal places6

Floor-1

Ceiling0

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction-21,091/1,000,000exact

Ratio-21,091 : 1,000,000

As a percentage-2.1091%

Reciprocal-47.4135887345≈

Arithmetic

Double-0.042182

Half-0.010545

Square0.000445

Cube-0.000009

Cube root-0.2762903547≈

Negation0.021091

Representations

Decimal-0.021091

Scientific notation-2.1091 × 10^-2

Exponential-2.1091e-2

IEEE 754 binary64 (hex)0xBF9598E10CF5B1C8the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xBCACC70832-bit single precision, may lose accuracy

Stored as-0.021091the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written5counted from the digits as typed, not from the value

To 0 decimal places-0

To 1 decimal place-0.0

To 2 decimal places-0.02

To 3 decimal places-0.021

To 4 decimal places-0.0211

To 1 significant figure-0.02

To 2 significant figures-0.021

To 3 significant figures-0.0211

To 4 significant figures-0.02109

Keep nerding

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