Number
-168
- Negative
- Even
- 3 digits
-168 is an even 3-digit integer and the negative of 168. It has 16 divisors and a digital root of 6.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value168
Digit count3
Digit sum15
Digital root6repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2^3 × 3 × 7
Distinct prime factors32, 3, 7
Number of divisors16
Sum of divisors σ(n)480
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 16816 in total
Arithmetic
Representations
Decimal-168
Binary101010008 bits
Octal250
HexadecimalA8
Base 364O
In wordsminus one hundred and sixty-eight
Ordinalminus one hundred and sixty-eighth
Scientific notation-1.68 × 10^2
Engineering notation-168
Powers & multiples
-168 to the power 228,224
-168 to the power 3-4,741,632
-168 to the power 4796,594,176
-168 to the power 5-133,827,821,568
First ten multiples-168, -336, -504, -672, -840, -1,008, -1,176, -1,344, -1,512, -1,680
Powers of twoBetween 2^7 (128) and 2^8 (256)
Divisibility tests
Divisible by 2Yes
Divisible by 3Yes
Divisible by 4Yes
Divisible by 5No, remainder 3
Divisible by 6Yes
Divisible by 7Yes
Divisible by 8Yes
Divisible by 9No, remainder 6
Divisible by 10No, remainder 8
Divisible by 11No, remainder 3
Divisible by 12Yes
Divisible by 100No, remainder 68
As a percentage & fraction
As a percentage-16,800%
-168% as a decimal-1.68
-168% of 100-168
-168% of 1,000-1,680
As a fraction of 100-168/100
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