Positive Integers » 80001-90000 » 81901-82000 » 81990

Divisors of the Positive Integer 81990

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 911, 1822, 2733, 4555, 5466, 8199, 9110, 13665, 16398, 27330, 40995, 81990

Sum of all the Divisors of 81990, including itself

213408

Sum of the Proper Divisors of 81990

131418

Properties of the number 81990

The integer 81990 is an even number.
The integer 81990 is a Composite number.
131418 is greater than 81990, so 81990 is an abundant number.

The number 81990 as a Roman Numeral

_L_X_X_XMCMXC (Roman Numerals with underscores in front have their values increased by 1,000. The underscore represents a line over the numeral, because the Romans used overlines to multiply by 1,000.)

The number 81990 in various Numeral Systems

Base Representation
2:10100000001000110
3:11011110200
4:110001012
5:10110430
6:1431330
7:461016
8:240106
9:134420
10:81990
11:56667
12:3B546
13:2B41C
14:21C46
15:19460
16:14046
17:GBBG
18:E110
19:BI25
20:A4JA
21:8HJ6
22:7F8I
23:6GMI
24:5M86
25:564F
26:4H7C
27:44CI
28:3KG6
29:3AE7
30:3130
31:2N9Q
32:2G26
33:299I
34:22VG
35:1VWK
36:1R9I