21013755750
21,013,755,750 is an even composite number composed of five prime numbers multiplied together.
21013755750 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21013755750:
2 × 33 × 53 × 134 × 109
(2 × 3 × 3 × 3 × 5 × 5 × 5 × 13 × 13 × 13 × 13 × 109)See below for interesting mathematical facts about the number 21013755750 from the Numbermatics database.
Names of 21013755750
- Cardinal: 21013755750 can be written as Twenty-one billion, thirteen million, seven hundred fifty-five thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 2.101375575 × 1010
Factors of 21013755750
Divisors of 21013755750
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 90 109 117 125 130 135 150 169 195 218 225 234 250 270 325 327 338 351 375 390 450 507 545 585 650 654 675 702 750 845 975 981 1014 1090 1125 1170 1350 1417 1521 1625 1635 1690 1755 1950 1962 2197 2250 2535 2725 2834 2925 2943 3042 3250 3270 3375 3510 4225 4251 4394 4563 4875 4905 5070 5450 5850 5886 6591 6750 7085 7605 8175 8450 8502 8775 9126 9750 9810 10985 12675 12753 13182 13625 14170 14625 14715 15210 16350 17550 18421 19773 21125 21255 21970 22815 24525 25350 25506 27250 28561 29250 29430 32955 35425 36842 38025 38259 39546 40875 42250 42510 43875 45630 49050 54925 55263 57122 59319 63375 63765 65910 70850 73575 76050 76518 81750 85683 87750 92105 98865 106275 109850 110526 114075 118638 122625 126750 127530 142805 147150 164775 165789 171366 177125 184210 190125 191295 197730 212550 228150 239473 245250 257049 274625 276315 285610 296595 318825 329550 331578 354250 367875 380250 382590 428415 460525 478946 494325 497367 514098 531375 549250 552630 570375 593190 637650 714025 718419 735750 771147 823875 828945 856830 921050 956475 988650 994734 1062750 1140750 1197365 1285245 1381575 1428050 1436838 1482975 1542294 1594125 1647750 1657890 1912950 2142075 2155257 2302625 2394730 2471625 2486835 2570490 2763150 2965950 3113149 3188250 3570125 3592095 3855735 4144725 4284150 4310514 4605250 4782375 4943250 4973670 5986825 6226298 6426225 6465771 6907875 7140250 7184190 7414875 7711470 8289450 9339447 9564750 10710375 10776285 11973650 12434175 12852450 12931542 13815750 14829750 15565745 17960475 18678894 19278675 20723625 21420750 21552570 24868350 28018341 29934125 31131490 32131125 32328855 35920950 38557350 41447250 46697235 53881425 56036682 59868250 62170875 64262250 64657710 77828725 84055023 89802375 93394470 96393375 107762850 124341750 140091705 155657450 161644275 168110046 179604750 192786750 233486175 269407125 280183410 323288550 389143625 420275115 466972350 538814250 700458525 778287250 808221375 840550230 1167430875 1400917050 1616442750 2101375575 2334861750 3502292625 4202751150 7004585250 10506877875 21013755750
- Sum of all divisors σ(n): 63713707200
- Sum of proper divisors (its aliquot sum) s(n): 42699951450
- 21013755750 is an abundant number, because the sum of its proper divisors (42699951450) is greater than itself. Its abundance is 21686195700
Bases of 21013755750
- Binary: 100111001001000010001110111011001102
- Hexadecimal: 0x4E4847766
- Base-36: 9NJ1PPI
Squares and roots of 21013755750
- 21013755750 squared (210137557502) is 441577930720658062500
- 21013755750 cubed (210137557503) is 9279210780754330004643234375000
-
The
square root of 21013755750 is 144961.2215387273 -
The
cube root of 21013755750 is 2759.5264428545
Scales and comparisons
How big is 21013755750?- 21,013,755,750 seconds is equal to 668 years, 8 weeks, 6 days, 18 hours, 22 minutes, 30 seconds.
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To count from 1 to 21,013,755,750 would take you about one thousand, three hundred thirty-six 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 21013755750 cubic inches would be around 230 feet tall.
Recreational maths with 21013755750
- 21013755750 backwards is 05755731012
- The number of decimal digits it has is: 11
- The sum of 21013755750's digits is 36
- More coming soon!
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