Number
-24
- Negative
- Even
- 2 digits
-24 is an even 2-digit integer and the negative of 24. It has 8 divisors and a digital root of 6.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value24
Digit count2
Digit sum6
Digital root6repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2^3 × 3
Distinct prime factors22, 3
Number of divisors8
Sum of divisors σ(n)60
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 4, 6, 8, 12, 248 in total
Arithmetic
Representations
Decimal-24
Binary110005 bits
Octal30
Hexadecimal18
Base 36O
In wordsminus twenty-four
Ordinalminus twenty-fourth
Scientific notation-2.4 × 10^1
Engineering notation-24
Powers & multiples
-24 to the power 2576
-24 to the power 3-13,824
-24 to the power 4331,776
-24 to the power 5-7,962,624
First ten multiples-24, -48, -72, -96, -120, -144, -168, -192, -216, -240
Powers of twoBetween 2^4 (16) and 2^5 (32)
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 9No, remainder 6
Divisible by 10No, remainder 4
Divisible by 11No, remainder 2
Divisible by 12Yes
Divisible by 100No, remainder 24
As a percentage & fraction
As a percentage-2,400%
-24% as a decimal-0.24
-24% of 100-24
-24% of 1,000-240
As a fraction of 100-24/100
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