21315438420912
21,315,438,420,912 is an even composite number composed of four prime numbers multiplied together.
21315438420912 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of four hundred fifty divisors.
Prime factorization of 21315438420912:
24 × 39 × 192 × 4332
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 19 × 19 × 433 × 433)See below for interesting mathematical facts about the number 21315438420912 from the Numbermatics database.
Names of 21315438420912
- Cardinal: 21315438420912 can be written as Twenty-one trillion, three hundred fifteen billion, four hundred thirty-eight million, four hundred twenty thousand, nine hundred twelve.
Scientific notation
- Scientific notation: 2.1315438420912 × 1013
Factors of 21315438420912
Divisors of 21315438420912
- Number of divisors d(n): 450
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 81 108 114 144 152 162 171 216 228 243 304 324 342 361 432 433 456 486 513 648 684 722 729 866 912 972 1026 1083 1296 1299 1368 1444 1458 1539 1732 1944 2052 2166 2187 2598 2736 2888 2916 3078 3249 3464 3888 3897 4104 4332 4374 4617 5196 5776 5832 6156 6498 6561 6928 7794 8208 8227 8664 8748 9234 9747 10392 11664 11691 12312 12996 13122 13851 15588 16454 17328 17496 18468 19494 19683 20784 23382 24624 24681 25992 26244 27702 29241 31176 32908 34992 35073 36936 38988 39366 41553 46764 49362 51984 52488 55404 58482 62352 65816 70146 73872 74043 77976 78732 83106 87723 93528 98724 104976 105219 110808 116964 124659 131632 140292 148086 155952 156313 157464 166212 175446 187056 187489 197448 210438 221616 222129 233928 249318 263169 280584 296172 312626 314928 315657 332424 350892 373977 374978 394896 420876 444258 467856 468939 498636 526338 561168 562467 592344 625252 631314 664848 666387 701784 747954 749956 789507 841752 888516 937878 946971 997272 1052676 1124934 1184688 1250504 1262628 1332774 1403568 1406817 1495908 1499912 1579014 1683504 1687401 1777032 1875756 1893942 1994544 1999161 2105352 2249868 2368521 2501008 2525256 2665548 2813634 2840913 2991816 2999824 3158028 3374802 3554064 3562291 3751512 3787884 3998322 4210704 4220451 4499736 4737042 5050512 5062203 5331096 5627268 5681826 5983632 5997483 6316056 6749604 7105563 7124582 7503024 7575768 7996644 8440902 8522739 8999472 9474084 10124406 10662192 10686873 11254536 11363652 11994966 12632112 12661353 13499208 14211126 14249164 15151536 15186609 15993288 16881804 17045478 17992449 18948168 20248812 21373746 22509072 22727304 23989932 25322706 26998416 28422252 28498328 30373218 31986576 32060619 33763608 34090956 35984898 37896336 37984059 40497624 42747492 45454608 45559827 47979864 50645412 53977347 56844504 56996656 60746436 64121238 67527216 67683529 68181912 71969796 75968118 80995248 85494984 91119654 95959728 96181857 101290824 107954694 113689008 113952177 121492872 128242476 135367058 136363824 136679481 143939592 151936236 161932041 170989968 182239308 192363714 202581648 203050587 215909388 227904354 242985744 256484952 270734116 273358962 287879184 288545571 303872472 323864082 341856531 364478616 384727428 406101174 410038443 431818776 455808708 512969904 541468232 546717924 577091142 607744944 609151761 647728164 683713062 728957232 769454856 812202348 820076886 863637552 865636713 911617416 1025569593 1082936464 1093435848 1154182284 1218303522 1230115329 1295456328 1367426124 1538909712 1624404696 1640153772 1731273426 1823234832 1827455283 2051139186 2186871696 2308364568 2436607044 2460230658 2590912656 2596910139 2734852248 3076708779 3248809392 3280307544 3462546852 3654910566 3690345987 4102278372 4616729136 4873214088 4920461316 5193820278 5469704496 5482365849 6153417558 6560615088 6925093704 7309821132 7380691974 7790730417 8204556744 9746428176 9840922632 10387640556 10964731698 12306835116 13850187408 14619642264 14761383948 15581460834 16409113488 16447097547 19681845264 20775281112 21929463396 23372191251 24613670232 29239284528 29522767896 31162921668 32894195094 41550562224 43858926792 46744382502 49227340464 49341292641 59045535792 62325843336 65788390188 70116573753 87717853584 93488765004 98682585282 124651686672 131576780376 140233147506 148023877923 186977530008 197365170564 263153560752 280466295012 296047755846 373955060016 394730341128 444071633769 560932590024 592095511692 789460682256 888143267538 1121865180048 1184191023384 1332214901307 1776286535076 2368382046768 2664429802614 3552573070152 5328859605228 7105146140304 10657719210456 21315438420912
- Sum of all divisors σ(n): 65530246718772
- Sum of proper divisors (its aliquot sum) s(n): 44214808297860
- 21315438420912 is an abundant number, because the sum of its proper divisors (44214808297860) is greater than itself. Its abundance is 22899369876948
Bases of 21315438420912
- Binary: 1001101100010111000110010001010100011101100002
- Hexadecimal: 0x1362E322A3B0
- Base-36: 7K06DOR00
Squares and roots of 21315438420912
- 21315438420912 squared (213154384209122) is 454347915075691456078911744
- 21315438420912 cubed (213154384209123) is 9684625005465656169519208547790771990528
-
The
square root of 21315438420912 is 4616864.5660136057 -
The
cube root of 21315438420912 is 27726.6940301667
Scales and comparisons
How big is 21315438420912?- 21,315,438,420,912 seconds is equal to 677,765 years, 3 days, 4 hours, 55 minutes, 12 seconds.
-
To count from 1 to 21,315,438,420,912 would take you about one million, six hundred ninety-four thousand, four hundred twelve 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 21315438420912 cubic inches would be around 2310.6 feet tall.
Recreational maths with 21315438420912
- 21315438420912 backwards is 21902483451312
- The number of decimal digits it has is: 14
- The sum of 21315438420912's digits is 45
- More coming soon!
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