18442156920
18,442,156,920 is an even composite number composed of six prime numbers multiplied together.
18442156920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 18442156920:
23 × 3 × 5 × 112 × 17 × 74713
(2 × 2 × 2 × 3 × 5 × 11 × 11 × 17 × 74713)See below for interesting mathematical facts about the number 18442156920 from the Numbermatics database.
Names of 18442156920
- Cardinal: 18442156920 can be written as Eighteen billion, four hundred forty-two million, one hundred fifty-six thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.844215692 × 1010
Factors of 18442156920
Divisors of 18442156920
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 17 20 22 24 30 33 34 40 44 51 55 60 66 68 85 88 102 110 120 121 132 136 165 170 187 204 220 242 255 264 330 340 363 374 408 440 484 510 561 605 660 680 726 748 935 968 1020 1122 1210 1320 1452 1496 1815 1870 2040 2057 2244 2420 2805 2904 3630 3740 4114 4488 4840 5610 6171 7260 7480 8228 10285 11220 12342 14520 16456 20570 22440 24684 30855 41140 49368 61710 74713 82280 123420 149426 224139 246840 298852 373565 448278 597704 747130 821843 896556 1120695 1270121 1494260 1643686 1793112 2241390 2465529 2540242 2988520 3287372 3810363 4109215 4482780 4931058 5080484 6350605 6574744 7620726 8218430 8965560 9040273 9862116 10160968 12327645 12701210 13971331 15241452 16436860 18080546 19051815 19724232 24655290 25402420 27120819 27942662 30482904 32873720 36161092 38103630 41913993 45201365 49310580 50804840 54241638 55885324 69856655 72322184 76207260 83827986 90402730 98621160 108483276 111770648 135604095 139713310 152414520 153684641 167655972 180805460 209569965 216966552 271208190 279426620 307369282 335311944 361610920 419139930 461053923 542416380 558853240 614738564 768423205 838279860 922107846 1084832760 1229477128 1536846410 1676559720 1844215692 2305269615 3073692820 3688431384 4610539230 6147385640 9221078460 18442156920
- Sum of all divisors σ(n): 64391513760
- Sum of proper divisors (its aliquot sum) s(n): 45949356840
- 18442156920 is an abundant number, because the sum of its proper divisors (45949356840) is greater than itself. Its abundance is 27507199920
Bases of 18442156920
- Binary: 100010010110011110011111011011110002
- Hexadecimal: 0x44B3CFB78
- Base-36: 8GZZFCO
Squares and roots of 18442156920
- 18442156920 squared (184421569202) is 340113151861903886400
- 18442156920 cubed (184421569203) is 6272420117193021642946653888000
-
The
square root of 18442156920 is 135801.9032267221 -
The
cube root of 18442156920 is 2642.0269156167
Scales and comparisons
How big is 18442156920?- 18,442,156,920 seconds is equal to 586 years, 20 weeks, 6 days, 21 hours, 22 minutes.
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To count from 1 to 18,442,156,920 would take you about one thousand, one hundred seventy-two years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 18442156920 cubic inches would be around 220.2 feet tall.
Recreational maths with 18442156920
- 18442156920 backwards is 02965124481
- The number of decimal digits it has is: 11
- The sum of 18442156920's digits is 42
- More coming soon!
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