MathQuarryCalculators

Numbers / 390

The Number 390

390 is composite: factorization 2 × 3 × 5 × 13. That gives 390 exactly 16 divisors: 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390. 390's proper divisors total 618, 228 more than 390 itself, so 390 is abundant. 390 has a digit sum of 12; for 390, the digital root works out to 3. 390: 2, 3, 5, 6, 10 all divide 390 evenly, out of 2-12. 390 is 110000110 in binary and 186 in hex; as a Roman numeral it's CCCXC.

Factors
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
Number of factors
16
Prime?
No
Prime factorization
2 x 3 x 5 x 13
Even or odd
Even
Square
152100
Cube
59319000
Binary
110000110
Hexadecimal
186
Roman numeral
CCCXC
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 390 in detail →Is 390 prime? →