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Numbers / 324

The Number 324

324 is composite: factorization 2^2 × 3^4. That gives 324 exactly 15 divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324. 324's proper divisors total 523, 199 more than 324 itself, so 324 is abundant. 324 is also a perfect square, since 18² = 324. 324 has a digit sum of 9; for 324, the digital root works out to 9. 324: 2, 3, 4, 6, 9, 12 all divide 324 evenly, out of 2-12. 324 is 101000100 in binary and 144 in hex; as a Roman numeral it's CCCXXIV.

Factors
1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324
Number of factors
15
Prime?
No
Prime factorization
2^2 x 3^4
Even or odd
Even
Square
104976
Cube
34012224
Binary
101000100
Hexadecimal
144
Roman numeral
CCCXXIV
Perfect square?
Yes
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 324 in detail →Is 324 prime? →