Recognised as Decimal number

6.509

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

6.509 is a decimal number equal to 6,509⁄1,000. It lies between 6 and 7, and as a percentage it is 650.9%.

Number properties

Absolute value6.509

SignPositive

Integer part6

Fractional part0.509

Decimal places3

Floor6

Ceiling7

Rounded to nearest7

Truncated6

Fractions & ratios

As a fraction6,509/1,000exact

Ratio6,509 : 1,000

As a percentage650.9%

Reciprocal0.1536334306≈

Arithmetic

Double13.018

Half3.2545

Square42.367081

Cube275.76733

Square root2.5512741915≈

Cube root1.8671165299≈

Negation-6.509

Natural logarithm1.8731858346≈

Logarithm base 100.8135142715≈

Representations

Decimal6.509

Scientific notation6.509 × 10^0

Exponential6.509e+0

IEEE 754 binary64 (hex)0x401A09374BC6A7F0the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x40D049BA32-bit single precision, may lose accuracy

Stored as6.509the 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 places7

To 1 decimal place6.5

To 2 decimal places6.51

To 3 decimal places6.509

To 4 decimal places6.5090

To 1 significant figure7

To 2 significant figures6.5

To 3 significant figures6.51

To 4 significant figures6.509

Keep nerding

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