Recognised as Decimal number

2.1999

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

2.1999 is a decimal number equal to 21,999⁄10,000. It lies between 2 and 3, and as a percentage it is 219.99%.

Number properties

Absolute value2.1999

SignPositive

Integer part2

Fractional part0.1999

Decimal places4

Floor2

Ceiling3

Rounded to nearest2

Truncated2

Fractions & ratios

As a fraction21,999/10,000exact

Ratio21,999 : 10,000

As a percentage219.99%

Reciprocal0.4545661166≈

Arithmetic

Double4.3998

Half1.09995

Square4.83956

Cube10.646548

Square root1.483205987≈

Cube root1.3005717406≈

Negation-2.1999

Natural logarithm0.7884119048≈

Logarithm base 100.3424029397≈

Representations

Decimal2.1999

Scientific notation2.1999 × 10^0

Exponential2.1999e+0

IEEE 754 binary64 (hex)0x400199652BD3C361the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x400CCB2932-bit single precision, may lose accuracy

Stored as2.1999the 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 places2

To 1 decimal place2.2

To 2 decimal places2.20

To 3 decimal places2.200

To 4 decimal places2.1999

To 1 significant figure2

To 2 significant figures2.2

To 3 significant figures2.20

To 4 significant figures2.200

Keep nerding

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