21355985500550400
21,355,985,500,550,400 is an even composite number composed of five prime numbers multiplied together.
21355985500550400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 21355985500550400:
28 × 3 × 52 × 7 × 3986212
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 7 × 398621 × 398621)See below for interesting mathematical facts about the number 21355985500550400 from the Numbermatics database.
Names of 21355985500550400
- Cardinal: 21355985500550400 can be written as Twenty-one quadrillion, three hundred fifty-five trillion, nine hundred eighty-five billion, five hundred million, five hundred fifty thousand, four hundred.
Scientific notation
- Scientific notation: 2.13559855005504 × 1016
Factors of 21355985500550400
Divisors of 21355985500550400
- Number of divisors d(n): 324
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 56 60 64 70 75 80 84 96 100 105 112 120 128 140 150 160 168 175 192 200 210 224 240 256 280 300 320 336 350 384 400 420 448 480 525 560 600 640 672 700 768 800 840 896 960 1050 1120 1200 1280 1344 1400 1600 1680 1792 1920 2100 2240 2400 2688 2800 3200 3360 3840 4200 4480 4800 5376 5600 6400 6720 8400 8960 9600 11200 13440 16800 19200 22400 26880 33600 44800 67200 134400 398621 797242 1195863 1594484 1993105 2391726 2790347 3188968 3986210 4783452 5580694 5979315 6377936 7972420 8371041 9566904 9965525 11161388 11958630 12755872 13951735 15944840 16742082 19133808 19931050 22322776 23917260 25511744 27903470 29896575 31889680 33484164 38267616 39862100 41855205 44645552 47834520 51023488 55806940 59793150 63779360 66968328 69758675 76535232 79724200 83710410 89291104 95669040 102046976 111613880 119586300 127558720 133936656 139517350 153070464 159448400 167420820 178582208 191338080 209276025 223227760 239172600 255117440 267873312 279034700 306140928 318896800 334841640 357164416 382676160 418552050 446455520 478345200 510234880 535746624 558069400 637793600 669683280 714328832 765352320 837104100 892911040 956690400 1071493248 1116138800 1275587200 1339366560 1530704640 1674208200 1785822080 1913380800 2142986496 2232277600 2551174400 2678733120 3348416400 3571644160 3826761600 4464555200 5357466240 6696832800 7653523200 8929110400 10714932480 13393665600 17858220800 26787331200 53574662400 158898701641 317797403282 476696104923 635594806564 794493508205 953392209846 1112290911487 1271189613128 1588987016410 1906784419692 2224581822974 2383480524615 2542379226256 3177974032820 3336872734461 3813568839384 3972467541025 4449163645948 4766961049230 5084758452512 5561454557435 6355948065640 6673745468922 7627137678768 7944935082050 8898327291896 9533922098460 10169516905024 11122909114870 11917402623075 12711896131280 13347490937844 15254275357536 15889870164100 16684363672305 17796654583792 19067844196920 20339033810048 22245818229740 23834805246150 25423792262560 26694981875688 27807272787175 30508550715072 31779740328200 33368727344610 35593309167584 38135688393840 40678067620096 44491636459480 47669610492300 50847584525120 53389963751376 55614545574350 61017101430144 63559480656400 66737454689220 71186618335168 76271376787680 83421818361525 88983272918960 95339220984600 101695169050240 106779927502752 111229091148700 122034202860288 127118961312800 133474909378440 142373236670336 152542753575360 166843636723050 177966545837920 190678441969200 203390338100480 213559855005504 222458182297400 254237922625600 266949818756880 284746473340672 305085507150720 333687273446100 355933091675840 381356883938400 427119710011008 444916364594800 508475845251200 533899637513760 610171014301440 667374546892200 711866183351680 762713767876800 854239420022016 889832729189600 1016951690502400 1067799275027520 1334749093784400 1423732366703360 1525427535753600 1779665458379200 2135598550055040 2669498187568800 3050855071507200 3559330916758400 4271197100110080 5338996375137600 7118661833516800 10677992750275200 21355985500550400
- Sum of all divisors σ(n): 80547860712517856
- Sum of proper divisors (its aliquot sum) s(n): 59191875211967456
- 21355985500550400 is an abundant number, because the sum of its proper divisors (59191875211967456) is greater than itself. Its abundance is 37835889711417056
Bases of 21355985500550400
- Binary: 10010111101111100100111110110011001011010110101000000002
- Hexadecimal: 0x4BDF27D996B500
- Base-36: 5UA2CARTLHC
Squares and roots of 21355985500550400
- 21355985500550400 squared (213559855005504002) is 456078116699718918838702940160000
- 21355985500550400 cubed (213559855005504003) is 9739997647357530480226542121793149778264064000000
-
The
square root of 21355985500550400 is 146136872.4879193519 -
The
cube root of 21355985500550400 is 277442.6383638415
Scales and comparisons
How big is 21355985500550400?- 21,355,985,500,550,400 seconds is equal to 679,054,280 years, 26 weeks, 6 days, 5 hours, 20 minutes.
-
To count from 1 to 21,355,985,500,550,400 would take you about two billion, thirty-seven million, one hundred sixty-two thousand, eight hundred forty-one 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 21355985500550400 cubic inches would be around 23120.2 feet tall.
Recreational maths with 21355985500550400
- 21355985500550400 backwards is 00405500558955312
- The number of decimal digits it has is: 17
- The sum of 21355985500550400's digits is 57
- More coming soon!
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