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Number

-864

  • Negative
  • Even
  • 3 digits

-864 is an even 3-digit integer and the negative of 864. It has 24 divisors and a digital root of 9.

Number properties

ParityEvendivisible by 2
SignNegative
Absolute value864
Digit count3
Digit sum18
Digital root9repeated digit sum
PalindromicNoreads differently backwards

Factors & divisors

Prime factorisation−1 × 2^5 × 3^3
Distinct prime factors22, 3
Number of divisors24
Sum of divisors σ(n)2,520
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 86424 in total

Arithmetic

Previous number-865
Next number-863
Double-1,728
Half-432
Square746,496
Cube root-9.524406312
Negation864
Reciprocal-0.0011574074

Representations

Decimal-864
Binary110110000010 bits
Octal1540
Hexadecimal360
Base 36O0
In wordsminus eight hundred and sixty-four
Ordinalminus eight hundred and sixty-fourth
Scientific notation-8.64 × 10^2
Engineering notation-864

Nearest landmarks

Next prime2+866
Nearest square below841
Nearest square above900

Powers & multiples

-864 to the power 2746,496
-864 to the power 3-644,972,544
-864 to the power 4557,256,278,016
-864 to the power 5-481,469,424,205,824
First ten multiples-864, -1,728, -2,592, -3,456, -4,320, -5,184, -6,048, -6,912, -7,776, -8,640
Powers of twoBetween 2^9 (512) and 2^10 (1,024)

Divisibility tests

Divisible by 2Yes
Divisible by 3Yes
Divisible by 4Yes
Divisible by 5No, remainder 4
Divisible by 6Yes
Divisible by 7No, remainder 3
Divisible by 8Yes
Divisible by 9Yes
Divisible by 10No, remainder 4
Divisible by 11No, remainder 6
Divisible by 12Yes
Divisible by 100No, remainder 64

As a percentage & fraction

As a percentage-86,400%
-864% as a decimal-8.64
-864% of 100-864
-864% of 1,000-8,640
As a fraction of 100-864/100

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Every value on this page was computed from “-864” by Nerdulator’s number engine. Nothing here was retrieved from a database of answers or written by a model.