Recognised as Decimal number

3.993

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

3.993 is a decimal number equal to 3,993⁄1,000. It lies between 3 and 4, and as a percentage it is 399.3%.

Number properties

Absolute value3.993

SignPositive

Integer part3

Fractional part0.993

Decimal places3

Floor3

Ceiling4

Rounded to nearest4

Truncated3

Fractions & ratios

As a fraction3,993/1,000exact

Ratio3,993 : 1,000

As a percentage399.3%

Reciprocal0.250438267≈

Arithmetic

Double7.986

Half1.9965

Square15.944049

Cube63.664588

Square root1.9982492337≈

Cube root1.5864745273≈

Negation-3.993

Natural logarithm1.3845428281≈

Logarithm base 100.6012993102≈

Representations

Decimal3.993

Scientific notation3.993 × 10^0

Exponential3.993e+0

IEEE 754 binary64 (hex)0x400FF1A9FBE76C8Bthe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x407F8D5032-bit single precision, may lose accuracy

Stored as3.993the 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 places4

To 1 decimal place4.0

To 2 decimal places3.99

To 3 decimal places3.993

To 4 decimal places3.9930

To 1 significant figure4

To 2 significant figures4.0

To 3 significant figures3.99

To 4 significant figures3.993

Keep nerding

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