21428121538512
21,428,121,538,512 is an even composite number composed of five prime numbers multiplied together.
21428121538512 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred fifty divisors.
Prime factorization of 21428121538512:
24 × 34 × 13 × 192 × 18772
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 19 × 19 × 1877 × 1877)See below for interesting mathematical facts about the number 21428121538512 from the Numbermatics database.
Names of 21428121538512
- Cardinal: 21428121538512 can be written as Twenty-one trillion, four hundred twenty-eight billion, one hundred twenty-one million, five hundred thirty-eight thousand, five hundred twelve.
Scientific notation
- Scientific notation: 2.1428121538512 × 1013
Factors of 21428121538512
Divisors of 21428121538512
- Number of divisors d(n): 450
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 19 24 26 27 36 38 39 48 52 54 57 72 76 78 81 104 108 114 117 144 152 156 162 171 208 216 228 234 247 304 312 324 342 351 361 432 456 468 494 513 624 648 684 702 722 741 912 936 988 1026 1053 1083 1296 1368 1404 1444 1482 1539 1872 1877 1976 2052 2106 2166 2223 2736 2808 2888 2964 3078 3249 3754 3952 4104 4212 4332 4446 4693 5616 5631 5776 5928 6156 6498 6669 7508 8208 8424 8664 8892 9386 9747 11262 11856 12312 12996 13338 14079 15016 16848 16893 17328 17784 18772 19494 20007 22524 24401 24624 25992 26676 28158 29241 30032 33786 35568 35663 37544 38988 40014 42237 45048 48802 50679 51984 53352 56316 58482 67572 71326 73203 75088 77976 80028 84474 90096 97604 101358 106704 106989 112632 116964 126711 135144 142652 146406 152037 155952 160056 168948 195208 202716 213978 219609 225264 233928 253422 270288 285304 292812 304074 320112 320967 337896 380133 390416 405432 427956 439218 463619 467856 506844 570608 585624 608148 641934 658827 675792 677597 760266 810864 855912 878436 927238 962901 1013688 1171248 1216296 1283868 1317654 1355194 1390857 1520532 1711824 1756872 1854476 1925802 1976481 2027376 2032791 2432592 2567736 2635308 2710388 2781714 2888703 3041064 3513744 3523129 3708952 3851604 3952962 4065582 4172571 5135472 5270616 5420776 5563428 5777406 6082128 6098373 7046258 7417904 7703208 7905924 8131164 8345142 8808761 10541232 10569387 10841552 11126856 11554812 12196746 12517713 14092516 15406416 15811848 16262328 16690284 17617522 18295119 21138774 22253712 23109624 24393492 25035426 26426283 28185032 31623696 31708161 32524656 33380568 35235044 36590238 37553139 42277548 45800677 46219248 48786984 50070852 52852566 54885357 56370064 63416322 66761136 66939451 70470088 73180476 75106278 79278849 84555096 91601354 95124483 97573968 100141704 105705132 109770714 126832644 133878902 137402031 140940176 146360952 150212556 158557698 169110192 183202708 190248966 200283408 200818353 211410264 219541428 237836547 253665288 267757804 274804062 285373449 292721904 300425112 317115396 366405416 380497932 401636706 412206093 422820528 439082856 475673094 507330576 535515608 549608124 570746898 600850224 602455059 634230792 713509641 732810832 760995864 803273412 824412186 870212863 878165712 951346188 1071031216 1099216248 1141493796 1204910118 1236618279 1268461584 1271849569 1427019282 1521991728 1606546824 1648824372 1740425726 1807365177 1902692376 2198432496 2282987592 2409820236 2473236558 2543699138 2610638589 2854038564 3213093648 3297648744 3480851452 3614730354 3709854837 3805384752 3815548707 4565975184 4819640472 4946473116 5087398276 5221277178 5422095531 5708077128 6595297488 6961702904 7229460708 7419709674 7631097414 7831915767 9639280944 9892946232 10174796552 10442554356 10844191062 11416154256 11446646121 13923405808 14458921416 14839419348 15262194828 15663831534 16534044397 19785892464 20349593104 20885108712 21688382124 22893292242 23495747301 28917842832 29678838696 30524389656 31327663068 33068088794 34339938363 41770217424 43376764248 45786584484 46991494602 49602133191 59357677392 61048779312 62655326136 66136177588 68679876726 70487241903 86753528496 91573168968 93982989204 99204266382 103019815089 125310652272 132272355176 137359753452 140974483806 148806399573 183146337936 187965978408 198408532764 206039630178 264544710352 274719506904 281948967612 297612799146 375931956816 396817065528 412079260356 446419198719 549439013808 563897935224 595225598292 793634131056 824158520712 892838397438 1127795870448 1190451196584 1339257596157 1648317041424 1785676794876 2380902393168 2678515192314 3571353589752 5357030384628 7142707179504 10714060769256 21428121538512
- Sum of all divisors σ(n): 70527754904838
- Sum of proper divisors (its aliquot sum) s(n): 49099633366326
- 21428121538512 is an abundant number, because the sum of its proper divisors (49099633366326) is greater than itself. Its abundance is 27671511827814
Bases of 21428121538512
- Binary: 1001101111101000111111001001010001111110100002
- Hexadecimal: 0x137D1F928FD0
- Base-36: 7LFXYB100
Squares and roots of 21428121538512
- 21428121538512 squared (214281215385122) is 459164392669241881899174144
- 21428121538512 cubed (214281215385123) is 9839030412273563448701997662991490633728
-
The
square root of 21428121538512 is 4629051.9049274011 -
The
cube root of 21428121538512 is 27775.4668309041
Scales and comparisons
How big is 21428121538512?- 21,428,121,538,512 seconds is equal to 681,347 years, 51 weeks, 22 hours, 55 minutes, 12 seconds.
-
To count from 1 to 21,428,121,538,512 would take you about one million, seven hundred three thousand, three 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 21428121538512 cubic inches would be around 2314.6 feet tall.
Recreational maths with 21428121538512
- 21428121538512 backwards is 21583512182412
- The number of decimal digits it has is: 14
- The sum of 21428121538512's digits is 45
- More coming soon!
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