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Numbers / 378

The Number 378

378 is composite: factorization 2 × 3^3 × 7. That gives 378 exactly 16 divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378. 378's proper divisors total 582, 204 more than 378 itself, so 378 is abundant. 378 is also the 27th triangular number, the sum of 1 through 27. 378 has a digit sum of 18; for 378, the digital root works out to 9. 378: 2, 3, 6, 7, 9 all divide 378 evenly, out of 2-12. 378 is 101111010 in binary and 17A in hex; as a Roman numeral it's CCCLXXVIII.

Factors
1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378
Number of factors
16
Prime?
No
Prime factorization
2 x 3^3 x 7
Even or odd
Even
Square
142884
Cube
54010152
Binary
101111010
Hexadecimal
17A
Roman numeral
CCCLXXVIII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
Yes
Fibonacci number?
No
Factors of 378 in detail →Is 378 prime? →