21231644665924352

Names of 21231644665924352

• Cardinal: 21231644665924352 can be written as Twenty-one quadrillion, two hundred thirty-one trillion, six hundred forty-four billion, six hundred sixty-five million, nine hundred twenty-four thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1231644665924352 × 10¹⁶

Factors of 21231644665924352

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 215

Divisors of 21231644665924352

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 53 64 88 106 121 128 149 176 212 242 256 298 352 424 484 583 596 704 848 968 1166 1192 1331 1408 1639 1696 1936 2332 2384 2662 2809 2816 3278 3392 3872 4664 4768 5324 5618 6413 6556 6784 7744 7897 9328 9536 10648 11236 12826 13112 13568 15488 15794 18029 18656 19072 21296 22472 25652 26224 30899 30976 31588 36058 37312 38144 42592 44944 51304 52448 61798 63176 70543 72116 74624 85184 86867 89888 102608 104896 123596 126352 141086 144232 148877 149248 170368 173734 179776 198319 205216 209792 247192 252704 282172 288464 297754 339889 340736 347468 359552 396638 410432 418541 419584 494384 505408 564344 576928 595508 679778 694936 719104 793276 820864 837082 955537 988768 1010816 1128688 1153856 1191016 1359556 1389872 1586552 1637647 1641728 1674164 1911074 1977536 2021632 2257376 2307712 2382032 2719112 2779744 3173104 3275294 3348328 3738779 3822148 3955072 4514752 4603951 4615424 4764064 5438224 5559488 6346208 6550588 6696656 7477558 7644296 7890481 7910144 9029504 9207902 9528128 10510907 10876448 11118976 12692416 13101176 13393312 14955116 15288592 15780962 18014117 18059008 18415804 19056256 21021814 21752896 22182673 22237952 25384832 26202352 26786624 29910232 30577184 31561924 36028234 36831608 38112512 42043628 43505792 44365346 50643461 50769664 52404704 53573248 59820464 61154368 63123848 72056468 73663216 84087256 86795291 87011584 88730692 101286922 104809408 107146496 119640928 122308736 126247696 144112936 147326432 168174512 173590582 177461384 198155287 202573844 209618816 239281856 244009403 244617472 252495392 288225872 294652864 336349024 347181164 354922768 396310574 405147688 418195493 419237632 478563712 488018806 504990784 557078071 576451744 589305728 672698048 694362328 709845536 792621148 810295376 836390986 954748201 957127424 976037612 1009981568 1114156142 1152903488 1175681669 1178611456 1345396096 1388724656 1419691072 1585242296 1620590752 1672781972 1909496402 1952075224 2019963136 2228312284 2305806976 2351363338 2684103433 2690792192 2777449312 2839382144 3170484592 3241181504 3345563944 3818992804 3904150448 4456624568 4600150423 4611613952 4702726676 5368206866 5554898624 5678764288 6340969184 6482363008 6691127888 7637985608 7808300896 8913249136 9200300846 9405453352 10502230211 10736413732 11109797248 12681938368 12932498359 12964726016 13382255776 15275971216 15616601792 17826498272 18400601692 18810906704 21004460422 21472827464 22219594496 25363876736 25864996718 26764511552 29525137763 30551942432 31233203584 35652996544 36801203384 37621813408 42008920844 42945654928 50601654653 50727753472 51729993436 53529023104 59050275526 61103884864 62311128457 62466407168 71305993088 73602406768 75243626816 84017841688 85891309856 101203309306 103459986872 107058046208 118100551052 122207769728 124622256914 142257481949 142611986176 147204813536 150487253632 168035683376 171782619712 202406618612 206919973744 236201102104 244415539456 249244513828 284514963898 294409627072 300974507264 336071366752 343565239424 404813237224 413839947488 472402204208 498489027656 556618201183 569029927796 588819254144 672142733504 685422413027 687130478848 809626474448 827679894976 944804408416 996978055312 1113236402366 1138059855592 1177638508288 1344285467008 1370844826054 1564832301439 1619252948896 1655359789952 1889608816832 1993956110624 2226472804732 2276119711184 2688570934016 2741689652108 3129664602878 3238505897792 3310719579904 3779217633664 3987912221248 4452945609464 4552239422368 5483379304216 6259329205756 6477011795584 7539646543297 7558435267328 7975824442496 8905891218928 9104478844736 10966758608432 12518658411512 12954023591168 15079293086594 15951648884992 17811782437856 18208957689472 21933517216864 25037316823024 30158586173188 35623564875712 36417915378944 43867034433728 50074633646048 60317172346376 71247129751424 82936111976267 87734068867456 100149267292096 120634344692752 142494259502848 165872223952534 175468137734912 200298534584192 241268689385504 331744447905068 400597069168384 482537378771008 663488895810136 965074757542016 1326977791620272 1930149515084032 2653955583240544 5307911166481088 10615822332962176 21231644665924352
• Sum of all divisors σ(n): 47830520819138400
• Sum of proper divisors (its aliquot sum) s(n): 26598876153214048
• 21231644665924352 is an abundant number, because the sum of its proper divisors (26598876153214048) is greater than itself. Its abundance is 5367231487289696

Bases of 21231644665924352

• Binary: 1001011011011100001000101111110010011110100101100000000₂
• Hexadecimal: 0x4B6E117E4F4B00
• Base-36: 5T1ZMWP9R7K

Squares and roots of 21231644665924352

• 21231644665924352 squared (21231644665924352²) is 450782735220073988644618586619904
• 21231644665924352 cubed (21231644665924352³) is 9570858855726073424777932627119955624191441502208
• The square root of 21231644665924352 is 145710825.4932499927
• The cube root of 21231644665924352 is 276903.1390580533

Scales and comparisons

• 21,231,644,665,924,352 seconds is equal to 675,100,626 years, 30 weeks, 3 days, 19 hours, 52 minutes, 32 seconds.
• To count from 1 to 21,231,644,665,924,352 would take you about two billion, twenty-five million, three hundred one thousand, eight hundred seventy-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 21231644665924352 cubic inches would be around 23075.3 feet tall.

Recreational maths with 21231644665924352

• 21231644665924352 backwards is 25342956644613212
• The number of decimal digits it has is: 17
• The sum of 21231644665924352's digits is 65
• More coming soon!