MathQuarryCalculators

Numbers / 920

The Number 920

920 is composite: factorization 2^3 × 5 × 23. That gives 920 exactly 16 divisors: 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920. 920's proper divisors total 1240, 320 more than 920 itself, so 920 is abundant. 920 has a digit sum of 11; for 920, the digital root works out to 2. 920: 2, 4, 5, 8, 10 all divide 920 evenly, out of 2-12. 920 is 1110011000 in binary and 398 in hex; as a Roman numeral it's CMXX.

Factors
1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920
Number of factors
16
Prime?
No
Prime factorization
2^3 x 5 x 23
Even or odd
Even
Square
846400
Cube
778688000
Binary
1110011000
Hexadecimal
398
Roman numeral
CMXX
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No