Number
-188
- Negative
- Even
- 3 digits
-188 is an even 3-digit integer and the negative of 188. It has 6 divisors and a digital root of 8.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value188
Digit count3
Digit sum17
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2^2 × 47
Distinct prime factors22, 47
Number of divisors6
Sum of divisors σ(n)336
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 47, 94, 1886 in total
Arithmetic
Representations
Decimal-188
Binary101111008 bits
Octal274
HexadecimalBC
Base 3658
In wordsminus one hundred and eighty-eight
Ordinalminus one hundred and eighty-eighth
Scientific notation-1.88 × 10^2
Engineering notation-188
Powers & multiples
-188 to the power 235,344
-188 to the power 3-6,644,672
-188 to the power 41,249,198,336
-188 to the power 5-234,849,287,168
First ten multiples-188, -376, -564, -752, -940, -1,128, -1,316, -1,504, -1,692, -1,880
Powers of twoBetween 2^7 (128) and 2^8 (256)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4Yes
Divisible by 5No, remainder 3
Divisible by 6No, remainder 2
Divisible by 7No, remainder 6
Divisible by 8No, remainder 4
Divisible by 9No, remainder 8
Divisible by 10No, remainder 8
Divisible by 11No, remainder 1
Divisible by 12No, remainder 8
Divisible by 100No, remainder 88
As a percentage & fraction
As a percentage-18,800%
-188% as a decimal-1.88
-188% of 100-188
-188% of 1,000-1,880
As a fraction of 100-188/100
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