Number
-250
- Negative
- Even
- 3 digits
-250 is an even 3-digit integer and the negative of 250. It has 8 divisors and a digital root of 7.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value250
Digit count3
Digit sum7
Digital root7repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2 × 5^3
Distinct prime factors22, 5
Number of divisors8
Sum of divisors σ(n)468
SquarefreeNohas a repeated prime factor
All divisors1, 2, 5, 10, 25, 50, 125, 2508 in total
Arithmetic
Representations
Decimal-250
Binary111110108 bits
Octal372
HexadecimalFA
Base 366Y
In wordsminus two hundred and fifty
Ordinalminus two hundred and fiftieth
Scientific notation-2.5 × 10^2
Engineering notation-250
Powers & multiples
-250 to the power 262,500
-250 to the power 3-15,625,000
-250 to the power 43,906,250,000
-250 to the power 5-976,562,500,000
First ten multiples-250, -500, -750, -1,000, -1,250, -1,500, -1,750, -2,000, -2,250, -2,500
Powers of twoBetween 2^7 (128) and 2^8 (256)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 1
Divisible by 4No, remainder 2
Divisible by 5Yes
Divisible by 6No, remainder 4
Divisible by 7No, remainder 5
Divisible by 8No, remainder 2
Divisible by 9No, remainder 7
Divisible by 10Yes
Divisible by 11No, remainder 8
Divisible by 12No, remainder 10
Divisible by 100No, remainder 50
As a percentage & fraction
As a percentage-25,000%
-250% as a decimal-2.5
-250% of 100-250
-250% of 1,000-2,500
As a fraction of 100-250/100
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