Recognised as Decimal number

-0.840009

Negative
Decimal
6 d.p.
Exact fraction
6 s.f.

-0.840009 is a decimal number equal to -840,009⁄1,000,000. It lies between -1 and 0, and as a percentage it is -84.0009%.

Number properties

Absolute value0.840009

SignNegative

Integer part0

Fractional part0.840009

Decimal places6

Floor-1

Ceiling0

Rounded to nearest-1

Truncated0

Fractions & ratios

As a fraction-840,009/1,000,000exact

Ratio-840,009 : 1,000,000

As a percentage-84.0009%

Reciprocal-1.1904634355≈

Arithmetic

Double-1.680018

Half-0.420005

Square0.705615

Cube-0.592723

Cube root-0.9435421658≈

Negation0.840009

Representations

Decimal-0.840009

Scientific notation-8.40009 × 10^-1

Exponential-8.40009e-1

IEEE 754 binary64 (hex)0xBFEAE15A8DEB0FAEthe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xBF570AD432-bit single precision, may lose accuracy

Stored as-0.840009the nearest binary64 value to what you typed

Rounding & precision

Significant figures as written6counted from the digits as typed, not from the value

To 0 decimal places-1

To 1 decimal place-0.8

To 2 decimal places-0.84

To 3 decimal places-0.840

To 4 decimal places-0.8400

To 1 significant figure-0.8

To 2 significant figures-0.84

To 3 significant figures-0.840

To 4 significant figures-0.8400

Keep nerding

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