21489751643360
21,489,751,643,360 is an even composite number composed of seven prime numbers multiplied together.
21489751643360 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21489751643360:
25 × 5 × 7 × 11 × 13 × 16381 × 8191
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 13 × 16381 × 8191)See below for interesting mathematical facts about the number 21489751643360 from the Numbermatics database.
Names of 21489751643360
- Cardinal: 21489751643360 can be written as Twenty-one trillion, four hundred eighty-nine billion, seven hundred fifty-one million, six hundred forty-three thousand, three hundred sixty.
Scientific notation
- Scientific notation: 2.148975164336 × 1013
Factors of 21489751643360
Divisors of 21489751643360
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 40 44 52 55 56 65 70 77 80 88 91 104 110 112 130 140 143 154 160 176 182 208 220 224 260 280 286 308 352 364 385 416 440 455 520 560 572 616 715 728 770 880 910 1001 1040 1120 1144 1232 1430 1456 1540 1760 1820 2002 2080 2288 2464 2860 2912 3080 3640 4004 4576 5005 5720 6160 7280 8008 8191 10010 11440 12320 14560 16016 16381 16382 20020 22880 32032 32762 32764 40040 40955 57337 65524 65528 80080 81905 81910 90101 106483 114667 114674 131048 131056 160160 163810 163820 180191 180202 212953 212966 229334 229348 262096 262112 286685 327620 327640 360382 360404 425906 425932 450505 458668 458696 524192 532415 573335 573370 630707 655240 655280 720764 720808 745381 851812 851864 900955 901010 917336 917392 1064765 1064830 1146670 1146740 1171313 1261337 1261414 1310480 1310560 1441528 1441616 1490671 1490762 1703624 1703728 1801910 1802020 1834672 1834784 2129530 2129660 2293340 2293480 2342483 2342626 2522674 2522828 2620960 2883056 2883232 2981342 2981524 3153535 3407248 3407456 3603820 3604040 3669344 3726905 4259060 4259320 4586680 4586960 4684966 4685252 5045348 5045656 5766112 5856565 5962684 5963048 6306685 6307070 6814496 7207640 7208080 7453355 7453810 8199191 8518120 8518640 9173360 9173920 9369932 9370504 10090696 10091312 11712415 11713130 11925368 11926096 12613370 12614140 14415280 14416160 14906710 14907620 16397381 16398382 17036240 17037280 18346720 18739864 18741008 20181392 20182624 23424830 23426260 23850736 23852192 25226740 25228280 28830560 29813420 29815240 32794762 32796764 34072480 37479728 37482016 40362784 40995955 46849660 46852520 47701472 50453480 50456560 59626840 59630480 65589524 65593528 74959456 81986905 81991910 93699320 93705040 100906960 100913120 119253680 119260960 131179048 131187056 134176771 163973810 163983820 187398640 187410080 201813920 238507360 262358096 262374112 268353542 327947620 327967640 374797280 524716192 536707084 655895240 655935280 670883855 939237397 1073414168 1311790480 1311870560 1341767710 1475944481 1744298023 1878474794 2146828336 2623580960 2683535420 2951888962 3488596046 3756949588 4293656672 4696186985 5367070840 5903777924 6977192092 7379722405 7513899176 8721490115 9392373970 10331611367 10734141680 11807555848 12210086161 13954384184 14759444810 15027798352 17442980230 18784747940 19187278253 20663222734 21468283360 23615111696 24420172322 27908768368 29518889620 30055596704 34885960460 37569495880 38374556506 41326445468 47230223392 48840344644 51658056835 55817536736 59037779240 61050430805 69771920920 75138991760 76749113012 82652890936 95936391265 97680689288 103316113670 118075558480 122100861610 134310947771 139543841840 150277983520 153498226024 165305781872 191872782530 195361378576 206632227340 236151116960 244201723220 268621895542 279087683680 306996452048 330611563744 383745565060 390722757152 413264454680 488403446440 537243791084 613992904096 671554738855 767491130120 826528909360 976806892880 1074487582168 1343109477710 1534982260240 1653057818720 1953613785760 2148975164336 2686218955420 3069964520480 4297950328672 5372437910840 10744875821680 21489751643360
- Sum of all divisors σ(n): 68178577195008
- Sum of proper divisors (its aliquot sum) s(n): 46688825551648
- 21489751643360 is an abundant number, because the sum of its proper divisors (46688825551648) is greater than itself. Its abundance is 25199073908288
Bases of 21489751643360
- Binary: 1001110001011011110010000001101010100111000002
- Hexadecimal: 0x138B790354E0
- Base-36: 7M897A28W
Squares and roots of 21489751643360
- 21489751643360 squared (214897516433602) is 461809425693293820632089600
- 21489751643360 cubed (214897516433603) is 9924169864711598689259780555550765056000
-
The
square root of 21489751643360 is 4635704.0073067651 -
The
cube root of 21489751643360 is 27802.0699782611
Scales and comparisons
How big is 21489751643360?- 21,489,751,643,360 seconds is equal to 683,307 years, 32 weeks, 5 days, 8 hours, 29 minutes, 20 seconds.
-
To count from 1 to 21,489,751,643,360 would take you about one million, seven hundred eight thousand, two hundred sixty-nine 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 21489751643360 cubic inches would be around 2316.8 feet tall.
Recreational maths with 21489751643360
- 21489751643360 backwards is 06334615798412
- The number of decimal digits it has is: 14
- The sum of 21489751643360's digits is 59
- More coming soon!
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