Number
-438
- Negative
- Even
- 3 digits
-438 is an even 3-digit integer and the negative of 438. It has 8 divisors and a digital root of 6.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value438
Digit count3
Digit sum15
Digital root6repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2 × 3 × 73
Distinct prime factors32, 3, 73
Number of divisors8
Sum of divisors σ(n)888
SquarefreeYesno repeated prime factor
All divisors1, 2, 3, 6, 73, 146, 219, 4388 in total
Arithmetic
Representations
Decimal-438
Binary1101101109 bits
Octal666
Hexadecimal1B6
Base 36C6
In wordsminus four hundred and thirty-eight
Ordinalminus four hundred and thirty-eighth
Scientific notation-4.38 × 10^2
Engineering notation-438
Powers & multiples
-438 to the power 2191,844
-438 to the power 3-84,027,672
-438 to the power 436,804,120,336
-438 to the power 5-16,120,204,707,168
First ten multiples-438, -876, -1,314, -1,752, -2,190, -2,628, -3,066, -3,504, -3,942, -4,380
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2Yes
Divisible by 3Yes
Divisible by 4No, remainder 2
Divisible by 5No, remainder 3
Divisible by 6Yes
Divisible by 7No, remainder 4
Divisible by 8No, remainder 6
Divisible by 9No, remainder 6
Divisible by 10No, remainder 8
Divisible by 11No, remainder 9
Divisible by 12No, remainder 6
Divisible by 100No, remainder 38
As a percentage & fraction
As a percentage-43,800%
-438% as a decimal-4.38
-438% of 100-438
-438% of 1,000-4,380
As a fraction of 100-438/100
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