Recognised as Decimal number

2.005

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

2.005 is a decimal number equal to 401⁄200. It lies between 2 and 3, and as a percentage it is 200.5%.

Number properties

Absolute value2.005

SignPositive

Integer part2

Fractional part0.005

Decimal places3

Floor2

Ceiling3

Rounded to nearest2

Truncated2

Fractions & ratios

As a fraction401/200exact

Ratio401 : 200

As a percentage200.5%

Reciprocal0.4987531172≈

Arithmetic

Double4.01

Half1.0025

Square4.020025

Cube8.06015

Square root1.4159802259≈

Cube root1.2609701104≈

Negation-2.005

Natural logarithm0.6956440608≈

Logarithm base 100.302114377≈

Representations

Decimal2.005

Scientific notation2.005 × 10^0

Exponential2.005e+0

IEEE 754 binary64 (hex)0x40000A3D70A3D70Athe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x400051EC32-bit single precision, may lose accuracy

Stored as2.005the 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 places2

To 1 decimal place2.0

To 2 decimal places2.00

To 3 decimal places2.005

To 4 decimal places2.0050

To 1 significant figure2

To 2 significant figures2.0

To 3 significant figures2.00

To 4 significant figures2.005

Keep nerding

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