21156412944128

Names of 21156412944128

• Cardinal: 21156412944128 can be written as Twenty-one trillion, one hundred fifty-six billion, four hundred twelve million, nine hundred forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1156412944128 × 10¹³

Factors of 21156412944128

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 726

Divisors of 21156412944128

• Number of divisors d(n): 1296
• Complete list of divisors:
  1 2 4 7 8 11 14 16 19 22 28 29 32 38 41 44 49 56 58 64 76 77 82 88 98 112 116 121 128 133 152 154 164 176 196 203 209 224 232 242 256 266 287 304 308 319 328 352 392 406 418 448 451 464 484 532 539 551 574 608 616 617 638 656 704 779 784 812 836 847 896 902 928 931 968 1064 1078 1102 1148 1189 1216 1232 1234 1276 1312 1408 1421 1463 1558 1568 1624 1672 1694 1792 1804 1856 1862 1936 2009 2128 2156 2204 2233 2296 2299 2378 2432 2464 2468 2552 2624 2816 2842 2926 3116 3136 3157 3248 3344 3388 3509 3608 3712 3724 3857 3872 4018 4256 4312 4319 4408 4466 4592 4598 4756 4864 4928 4936 4961 5104 5248 5453 5684 5852 5929 6061 6232 6272 6314 6496 6688 6776 6787 7018 7216 7424 7448 7714 7744 8036 8323 8512 8569 8624 8638 8816 8932 9184 9196 9512 9856 9872 9922 10208 10241 10496 10906 11368 11704 11723 11858 12122 12464 12544 12628 12992 13079 13376 13552 13574 14036 14432 14896 15428 15488 15631 16072 16093 16646 17024 17138 17248 17276 17632 17864 17893 18368 18392 19024 19712 19744 19844 20416 20482 21812 22099 22591 22736 23408 23446 23716 24244 24563 24928 25256 25297 25984 26158 26752 26999 27104 27148 28072 28864 29792 30233 30856 30976 31262 32144 32186 33292 34048 34276 34496 34552 34727 35264 35728 35786 36736 36784 38048 38171 39488 39688 40832 40964 42427 43624 44198 45182 45472 46816 46892 47432 47509 48488 49126 49856 50512 50594 51968 52316 53504 53998 54208 54296 56144 57728 58261 59584 59983 60466 61712 62524 64288 64372 66584 66671 68552 68992 69104 69454 70528 71456 71572 73472 73568 74657 76096 76342 78976 79376 81664 81928 82061 84854 87248 88396 90364 90944 91553 93632 93784 94259 94864 95018 96976 98252 99712 101024 101188 104632 107996 108416 108592 112288 112651 115456 116522 119168 119966 120932 123424 125048 125251 128576 128744 128953 133168 133342 137104 137984 138208 138908 141056 142912 143144 143869 147136 149314 152192 152684 157952 158137 158752 163856 164122 169708 171941 174496 176792 177079 180728 181888 183106 187264 187568 188518 189728 190036 193952 196504 196823 199424 202048 202376 209264 215992 216832 217184 224576 225302 233044 238336 239932 241864 243089 246848 248501 250096 250502 257152 257488 257906 266336 266684 274208 276416 277816 278267 285824 286288 287738 294272 296989 298628 304384 305368 316274 317504 327712 328244 332563 339416 339967 343882 348992 353584 354158 361456 363776 366212 374528 375136 377036 379456 380072 387904 393008 393646 404096 404752 418528 419881 431984 434368 449152 450604 466088 466697 479864 480643 483728 486178 493696 497002 500192 501004 514304 514976 515812 522599 532672 533368 548416 552832 555632 556534 571648 572576 574427 575476 588544 593978 597256 610736 632548 635008 640871 655424 656488 659813 665126 678832 679934 687764 697984 707168 708316 722912 732424 733613 750272 754072 758912 760144 775808 786016 787292 808192 809504 837056 839762 863968 868736 876757 898304 901208 902671 932176 933394 959728 961286 967456 972356 987392 994004 1000384 1002008 1007083 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4737217408 4799549216 4898451712 4906403744 4970961688 5265408896 5463949624 5485199104 5681099072 5699464694 5863750816 6029185792 6244513856 6326678512 6513673936 6701429504 6746305148 6789606208 7230489728 7444198784 7512930733 8062657372 8290130464 8572290496 8586206552 8699182954 8896725376 9202441472 9214465568 9474434816 9599098432 9812807488 9941923376 10530817792 10927899248 11362198144 11398929388 11727501632 11806034009 12489027712 12653357024 13027347872 13492610296 13579212416 14460979456 14888397568 15025861466 16125314744 16580260928 17144580992 17172413104 17398365908 17793450752 18428931136 19198196864 19625614976 19883846752 21855798496 22724396288 22797858776 23455003264 23612068018 24978055424 25306714048 26054695744 26985220592 27158424832 30051722932 32250629488 33160521856 34289161984 34344826208 34796731816 36857862272 38396393728 39251229952 39767693504 43711596992 45595717552 46910006528 47224136036 50613428096 52109391488 53970441184 60103445864 64501258976 66321043712 68689652416 69593463632 73715724544 79535387008 82642238063 87423193984 91191435104 94448272072 101226856192 104218782976 107940882368 120206891728 129002517952 137379304832 139186927264 159070774016 165284476126 174846387968 182382870208 188896544144 215881764736 240413783456 258005035904 274758609664 278373854528 330568952252 364765740416 377793088288 431763529472 480827566912 516010071808 556747709056 661137904504 729531480832 755586176576 961655133824 1113495418112 1322275809008 1511172353152 1923310267648 2644551618016 3022344706304 5289103236032 10578206472064 21156412944128
• Sum of all divisors σ(n): 60330428877600
• Sum of proper divisors (its aliquot sum) s(n): 39174015933472
• 21156412944128 is an abundant number, because the sum of its proper divisors (39174015933472) is greater than itself. Its abundance is 18017602989344

Bases of 21156412944128

• Binary: 100110011110111011100011110100110111100000000₂
• Hexadecimal: 0x133DDC7A6F00
• Base-36: 7HZ4E0VSW

Squares and roots of 21156412944128

• 21156412944128 squared (21156412944128²) is 447593808662466788849680384
• 21156412944128 cubed (21156412944128³) is 9469479447298163706098288695293249585152
• The square root of 21156412944128 is 4599610.0860972987
• The cube root of 21156412944128 is 27657.5694593387

Scales and comparisons

• 21,156,412,944,128 seconds is equal to 672,708 years, 25 weeks, 3 days, 13 hours, 22 minutes, 8 seconds.
• To count from 1 to 21,156,412,944,128 would take you about one million, six hundred eighty-one thousand, seven hundred seventy-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 21156412944128 cubic inches would be around 2304.8 feet tall.

Recreational maths with 21156412944128

• 21156412944128 backwards is 82144921465112
• The number of decimal digits it has is: 14
• The sum of 21156412944128's digits is 50
• More coming soon!