Recognised as Decimal number

-0.000221

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

-0.000221 is a decimal number equal to -221⁄1,000,000. It lies between -1 and 0, and as a percentage it is -0.0221%.

Number properties

Absolute value0.000221

SignNegative

Integer part0

Fractional part0.000221

Decimal places6

Floor-1

Ceiling0

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction-221/1,000,000exact

Ratio-221 : 1,000,000

As a percentage-0.0221%

Reciprocal-4,524.8868778281≈

Arithmetic

Double-0.000442

Half-0.000111

Square4.8841 × 10^-8

Cube-1.0793861 × 10^-11

Cube root-0.060459436≈

Negation0.000221

Representations

Decimal-0.000221

Scientific notation-2.21 × 10^-4

Exponential-2.21e-4

IEEE 754 binary64 (hex)0xBF2CF7878B7A1C26the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xB967BC3C32-bit single precision, may lose accuracy

Stored as-0.000221the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written3counted from the digits as typed, not from the value

To 0 decimal places-0

To 1 decimal place-0.0

To 2 decimal places-0.00

To 3 decimal places-0.000

To 4 decimal places-0.0002

To 1 significant figure-0.0002

To 2 significant figures-0.00022

To 3 significant figures-0.000221

To 4 significant figures-0.0002210

Keep nerding

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