20720872960
20,720,872,960 is an even composite number composed of six prime numbers multiplied together.
20720872960 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 20720872960:
29 × 5 × 17 × 23 × 127 × 163
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 23 × 127 × 163)See below for interesting mathematical facts about the number 20720872960 from the Numbermatics database.
Names of 20720872960
- Cardinal: 20720872960 can be written as Twenty billion, seven hundred twenty million, eight hundred seventy-two thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.072087296 × 1010
Factors of 20720872960
Divisors of 20720872960
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 23 32 34 40 46 64 68 80 85 92 115 127 128 136 160 163 170 184 230 254 256 272 320 326 340 368 391 460 508 512 544 635 640 652 680 736 782 815 920 1016 1088 1270 1280 1304 1360 1472 1564 1630 1840 1955 2032 2159 2176 2540 2560 2608 2720 2771 2921 2944 3128 3260 3680 3749 3910 4064 4318 4352 5080 5216 5440 5542 5842 5888 6256 6520 7360 7498 7820 8128 8636 8704 10160 10432 10795 10880 11084 11684 11776 12512 13040 13855 14605 14720 14996 15640 16256 17272 18745 20320 20701 20864 21590 21760 22168 23368 25024 26080 27710 29210 29440 29992 31280 32512 34544 37490 40640 41402 41728 43180 43520 44336 46736 49657 50048 52160 55420 58420 58880 59984 62560 63733 65024 69088 74980 81280 82804 83456 86360 88672 93472 99314 100096 103505 104320 110840 116840 119968 125120 127466 138176 149960 162560 165608 172720 177344 186944 198628 200192 207010 208640 221680 233680 239936 248285 250240 254932 276352 299920 318665 325120 331216 345440 351917 354688 373888 397256 414020 417280 443360 467360 476123 479872 496570 500480 509864 552704 599840 637330 662432 690880 703834 709376 747776 794512 828040 886720 934720 952246 959744 993140 1000960 1019728 1105408 1199680 1274660 1324864 1381760 1407668 1418752 1495552 1589024 1656080 1759585 1773440 1869440 1904492 1919488 1986280 2039456 2380615 2399360 2549320 2649728 2763520 2815336 3178048 3312160 3519170 3546880 3738880 3808984 3972560 4078912 4761230 4798720 5098640 5299456 5527040 5630672 6356096 6624320 7038340 7093760 7477760 7617968 7945120 8094091 8157824 9522460 9597440 10197280 10598912 11261344 12712192 13248640 14076680 15235936 15890240 16188182 16315648 19044920 20394560 22522688 25424384 26497280 28153360 30471872 31780480 32376364 32631296 38089840 40470455 40789120 45045376 52994560 56306720 60943744 63560960 64752728 76179680 80940910 81578240 90090752 112613440 121887488 127121920 129505456 152359360 161881820 163156480 180181504 225226880 243774976 259010912 304718720 323763640 450453760 518021824 609437440 647527280 900907520 1036043648 1218874880 1295054560 2072087296 2590109120 4144174592 5180218240 10360436480 20720872960
- Sum of all divisors σ(n): 55662723072
- Sum of proper divisors (its aliquot sum) s(n): 34941850112
- 20720872960 is an abundant number, because the sum of its proper divisors (34941850112) is greater than itself. Its abundance is 14220977152
Bases of 20720872960
- Binary: 100110100110000111101101110000000002
- Hexadecimal: 0x4D30F6E00
- Base-36: 9IOO7WG
Squares and roots of 20720872960
- 20720872960 squared (207208729602) is 429354576224459161600
- 20720872960 cubed (207208729603) is 8896601628741654732221710336000
-
The
square root of 20720872960 is 143947.4659728333 -
The
cube root of 20720872960 is 2746.6459587257
Scales and comparisons
How big is 20720872960?- 20,720,872,960 seconds is equal to 658 years, 44 weeks, 4 days, 22 hours, 2 minutes, 40 seconds.
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To count from 1 to 20,720,872,960 would take you about one thousand, three hundred seventeen 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 20720872960 cubic inches would be around 228.9 feet tall.
Recreational maths with 20720872960
- 20720872960 backwards is 06927802702
- The number of decimal digits it has is: 11
- The sum of 20720872960's digits is 43
- More coming soon!
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