Recognised as Decimal number

6.4004

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

6.4004 is a decimal number equal to 16,001⁄2,500. It lies between 6 and 7, and as a percentage it is 640.04%.

Number properties

Absolute value6.4004

SignPositive

Integer part6

Fractional part0.4004

Decimal places4

Floor6

Ceiling7

Rounded to nearest6

Truncated6

Fractions & ratios

As a fraction16,001/2,500exact

Ratio16,001 : 2,500

As a percentage640.04%

Reciprocal0.156240235≈

Arithmetic

Double12.8008

Half3.2002

Square40.96512

Cube262.193155

Square root2.5299011838≈

Cube root1.8566742125≈

Negation-6.4004

Natural logarithm1.8563604884≈

Logarithm base 100.8062071165≈

Representations

Decimal6.4004

Scientific notation6.4004 × 10^0

Exponential6.4004e+0

IEEE 754 binary64 (hex)0x40199A027525460Bthe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x40CCD01432-bit single precision, may lose accuracy

Stored as6.4004the 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 places6

To 1 decimal place6.4

To 2 decimal places6.40

To 3 decimal places6.400

To 4 decimal places6.4004

To 1 significant figure6

To 2 significant figures6.4

To 3 significant figures6.40

To 4 significant figures6.400

Keep nerding

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