MathQuarryCalculators

Factors / Factors of 220

Factors of 220

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220

220 breaks into 6 pairs, tested up to √220 ≈ 14.8; each pair multiplies back to 220 exactly. 220's full pair list is (1, 220), (2, 110), (4, 55), (5, 44), (10, 22), (11, 20), for 12 divisors in total. 220's divisors other than 220 itself sum to 284, 64 above 220: abundant. 220 is even, digit sum 4 for 220; small divisors of 220 include 2, 4, 5, 10, 11. 220 has 12 divisors; 219 has 4 and 221 has 4, so 220 wins here. 220 divided by its largest divisor, 110, gives 2.

Factors
1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220
Number of factors
12
Prime?
No
Prime factorization
2^2 x 5 x 11
Even or odd
Even
Square
48400
Cube
10648000
Binary
11011100
Hexadecimal
DC
Roman numeral
CCXX
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Full facts for 220 →Is 220 prime? →