Positive Integers » 20001-30000 » 21601-21700 » 21680

Divisors of the Positive Integer 21680

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 10840, 21680

Sum of all the Divisors of 21680, including itself

50592

Sum of the Proper Divisors of 21680

28912

Properties of the number 21680

The integer 21680 is an even number.
The integer 21680 is a Composite number.
28912 is greater than 21680, so 21680 is an abundant number.

The number 21680 as a Roman Numeral

_X_XMDCLXXX (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 21680 in various Numeral Systems

Base Representation
2:101010010110000
3:1002201222
4:11102300
5:1143210
6:244212
7:120131
8:52260
9:32658
10:21680
11:1531A
12:10668
13:9B39
14:7C88
15:6655
16:54B0
17:4705
18:3CG8
19:3311
20:2E40
21:2738
22:20HA
23:1HME
24:1DF8
25:19H5
26:161M
27:12JQ
28:RI8
29:PMH
30:O2K
31:MHB
32:L5G
33:JTW
34:IPM
35:HOF
36:GQ8