MathQuarryCalculators

Numbers / 408

The Number 408

408 is composite: factorization 2^3 × 3 × 17. That gives 408 exactly 16 divisors: 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408. 408's proper divisors total 672, 264 more than 408 itself, so 408 is abundant. 408 has a digit sum of 12; for 408, the digital root works out to 3. 408: 2, 3, 4, 6, 8, 12 all divide 408 evenly, out of 2-12. 408 is 110011000 in binary and 198 in hex; as a Roman numeral it's CDVIII.

Factors
1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408
Number of factors
16
Prime?
No
Prime factorization
2^3 x 3 x 17
Even or odd
Even
Square
166464
Cube
67917312
Binary
110011000
Hexadecimal
198
Roman numeral
CDVIII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 408 in detail →Is 408 prime? →