21389156745216

Names of 21389156745216

• Cardinal: 21389156745216 can be written as Twenty-one trillion, three hundred eighty-nine billion, one hundred fifty-six million, seven hundred forty-five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1389156745216 × 10¹³

Factors of 21389156745216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 252

Divisors of 21389156745216

• Number of divisors d(n): 612
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 61 64 78 96 104 122 128 156 169 173 183 192 208 244 256 312 338 346 366 384 416 488 507 512 519 624 676 692 732 768 793 832 976 1014 1024 1038 1248 1352 1384 1464 1536 1586 1664 1952 2028 2048 2076 2249 2379 2496 2704 2768 2928 3072 3172 3328 3721 3904 4056 4096 4152 4498 4758 4992 5408 5536 5856 6144 6344 6656 6747 7442 7808 8112 8192 8304 8996 9516 9984 10309 10553 10816 11072 11163 11712 12288 12688 13312 13494 14884 15616 16224 16384 16608 17992 19032 19968 20618 21106 21632 22144 22326 23424 24576 25376 26624 26988 29237 29768 30927 31232 31659 32448 32768 33216 35984 38064 39936 41236 42212 43264 44288 44652 46848 48373 49152 50752 53248 53976 58474 59536 61854 62464 63318 64896 65536 66432 71968 76128 79872 82472 84424 86528 87711 88576 89304 93696 96746 98304 101504 106496 107952 116948 119072 123708 124928 126636 129792 132864 137189 143936 145119 152256 159744 164944 168848 173056 175422 177152 178608 187392 193492 196608 203008 212992 215904 233896 238144 247416 249856 253272 259584 265728 274378 287872 290238 304512 319488 329888 337696 346112 350844 354304 357216 374784 386984 406016 411567 425984 431808 467792 476288 494832 499712 506544 519168 531456 548756 575744 580476 609024 628849 638976 643733 659776 675392 692224 701688 708608 714432 749568 773968 812032 823134 851968 863616 935584 952576 989664 999424 1013088 1038336 1062912 1097512 1151488 1160952 1218048 1257698 1277952 1287466 1319552 1350784 1384448 1403376 1417216 1428864 1499136 1547936 1624064 1646268 1727232 1783457 1871168 1886547 1905152 1931199 1979328 1998848 2026176 2076672 2125824 2195024 2302976 2321904 2436096 2515396 2555904 2574932 2639104 2701568 2768896 2806752 2834432 2857728 2998272 3095872 3248128 3292536 3454464 3566914 3742336 3773094 3810304 3862398 3958656 3997696 4052352 4153344 4251648 4390048 4605952 4643808 4872192 5030792 5149864 5278208 5350371 5403136 5537792 5613504 5668864 5715456 5996544 6191744 6496256 6585072 6908928 7133828 7484672 7546188 7620608 7724796 7917312 8104704 8306688 8368529 8503296 8780096 9211904 9287616 9744384 10061584 10299728 10556416 10700742 10806272 11075584 11227008 11337728 11430912 11993088 12383488 12992512 13170144 13817856 14267656 14969344 15092376 15241216 15449592 15834624 16209408 16613376 16737058 17006592 17560192 18423808 18575232 19488768 20123168 20599456 21112832 21401484 21612544 22454016 22861824 24766976 25105587 25985024 26340288 27635712 28535312 29938688 30184752 30482432 30899184 31669248 32418816 33226752 33474116 34013184 35120384 36847616 37150464 38977536 40246336 41198912 42225664 42802968 43225088 44908032 45723648 49533952 50211174 51970048 52680576 55271424 57070624 59877376 60369504 60964864 61798368 63338496 64837632 66948232 70240768 73695232 74300928 77955072 80492672 82397824 84451328 85605936 86450176 89816064 91447296 99067904 100422348 105361152 108790877 110542848 114141248 119754752 120739008 121929728 123596736 126676992 129675264 133896464 140481536 147390464 148601856 155910144 160985344 164795648 168902656 171211872 172900352 179632128 182894592 198135808 200844696 210722304 217581754 221085696 228282496 239509504 241478016 243859456 247193472 253353984 259350528 267792928 280963072 297203712 321970688 326372631 329591296 337805312 342423744 345800704 359264256 365789184 396271616 401689392 421444608 435163508 442171392 456564992 479019008 482956032 494386944 506707968 518701056 535585856 561926144 594407424 643941376 652745262 659182592 675610624 684847488 691601408 718528512 731578368 792543232 803378784 842889216 870327016 913129984 958038016 965912064 988773888 1013415936 1037402112 1071171712 1123852288 1188814848 1287882752 1305490524 1318365184 1369694976 1437057024 1585086464 1606757568 1685778432 1740654032 1826259968 1916076032 1931824128 1977547776 2026831872 2074804224 2142343424 2247704576 2377629696 2575765504 2610981048 2636730368 2739389952 2874114048 3170172928 3213515136 3371556864 3481308064 3652519936 3863648256 3955095552 4284686848 4495409152 4755259392 5151531008 5221962096 5273460736 5478779904 5748228096 6427030272 6743113728 6962616128 7305039872 7727296512 7910191104 8569373696 8990818304 9510518784 10303062016 10443924192 10546921472 10957559808 12854060544 13486227456 13925232256 14610079744 15454593024 15820382208 17138747392 20606124032 20887848384 21093842944 21915119616 25708121088 26972454912 27850464512 29220159488 30909186048 31640764416 34277494784 41212248064 41775696768 42187685888 43830239232 51416242176 55700929024 58440318976 61818372096 63281528832 68554989568 83551393536 87660478464 102832484352 111401858048 116880637952 123636744192 126563057664 137109979136 167102787072 175320956928 205664968704 222803716096 274219958272 334205574144 350641913856 411329937408 445607432192 548439916544 668411148288 822659874816 891214864384 1336822296576 1645319749632 1782429728768 2673644593152 3564859457536 5347289186304 7129718915072 10694578372608 21389156745216
• Sum of all divisors σ(n): 63154352017224
• Sum of proper divisors (its aliquot sum) s(n): 41765195272008
• 21389156745216 is an abundant number, because the sum of its proper divisors (41765195272008) is greater than itself. Its abundance is 20376038526792

Bases of 21389156745216

• Binary: 100110111010000001101000101110000000000000000₂
• Hexadecimal: 0x13740D170000
• Base-36: 7KY1JOA2O

Squares and roots of 21389156745216

• 21389156745216 squared (21389156745216²) is 457496026271419110738886656
• 21389156745216 cubed (21389156745216³) is 9785454216232840414857185979892494237696
• The square root of 21389156745216 is 4624841.2670291723
• The cube root of 21389156745216 is 27758.6210241653

Scales and comparisons

• 21,389,156,745,216 seconds is equal to 680,109 years, 1 week, 1 day, 13 hours, 13 minutes, 36 seconds.
• To count from 1 to 21,389,156,745,216 would take you about one million, seven hundred thousand, two hundred seventy-two 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 21389156745216 cubic inches would be around 2313.2 feet tall.

Recreational maths with 21389156745216

• 21389156745216 backwards is 61254765198312
• The number of decimal digits it has is: 14
• The sum of 21389156745216's digits is 60
• More coming soon!