Divisors of the Positive Integer 90

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

Sum of all the Divisors of 90, including itself

234

Sum of the Proper Divisors of 90

144

Properties of the number 90

The integer 90 is an even number.
The integer 90 is a Composite number.
144 is greater than 90, so 90 is an abundant number.

The number 90 as a Roman Numeral

XC

The number 90 in various Numeral Systems

Base	Representation
2:	1011010
3:	10100
4:	1122
5:	330
6:	230
7:	156
8:	132
9:	110
10:	90
11:	82
12:	76
13:	6C
14:	66
15:	60
16:	5A
17:	55
18:	50
19:	4E
20:	4A
21:	46
22:	42
23:	3L
24:	3I
25:	3F
26:	3C
27:	39
28:	36
29:	33
30:	30
31:	2S
32:	2Q
33:	2O
34:	2M
35:	2K
36:	2I