Recognised as Decimal number

0.002189

Positive
Decimal
6 d.p.
Exact fraction
4 s.f.

0.002189 is a decimal number equal to 2,189⁄1,000,000. It lies between 0 and 1, and as a percentage it is 0.2189%.

Number properties

Absolute value0.002189

SignPositive

Integer part0

Fractional part0.002189

Decimal places6

Floor0

Ceiling1

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction2,189/1,000,000exact

Ratio2,189 : 1,000,000

As a percentage0.2189%

Reciprocal456.8296025582≈

Arithmetic

Double0.004378

Half0.001094

Square0.000005

Cube1.04890773 × 10^-8

Square root0.0467867503≈

Cube root0.1298420172≈

Negation-0.002189

Natural logarithm-6.1243104604≈

Logarithm base 10-2.6597542384≈

Representations

Decimal0.002189

Scientific notation2.189 × 10^-3

Exponential2.189e-3

IEEE 754 binary64 (hex)0x3F61EEAA6D267408the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3B0F755332-bit single precision, may lose accuracy

Stored as0.002189the 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 places0

To 1 decimal place0.0

To 2 decimal places0.00

To 3 decimal places0.002

To 4 decimal places0.0022

To 1 significant figure0.002

To 2 significant figures0.0022

To 3 significant figures0.00219

To 4 significant figures0.002189

Keep nerding

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