Positive Integers » 20001-30000 » 21801-21900 » 21840

Divisors of the Positive Integer 21840

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 21840

Sum of all the Divisors of 21840, including itself

83328

Sum of the Proper Divisors of 21840

61488

Properties of the number 21840

The integer 21840 is an even number.
The integer 21840 is a Composite number.
61488 is greater than 21840, so 21840 is an abundant number.

The number 21840 as a Roman Numeral

_X_XMDCCCXL (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 21840 in various Numeral Systems

Base Representation
2:101010101010000
3:1002221220
4:11111100
5:1144330
6:245040
7:120450
8:52520
9:32856
10:21840
11:15455
12:10780
13:9C30
14:7D60
15:6710
16:5550
17:479C
18:3D76
19:3399
20:2EC0
21:27B0
22:212G
23:1I6D
24:1DM0
25:19NF
26:1680
27:12PO
28:RO0
29:PS3
30:O80
31:MMG
32:LAG
33:K1R
34:IUC
35:HT0
36:GUO