21687857200128

Names of 21687857200128

• Cardinal: 21687857200128 can be written as Twenty-one trillion, six hundred eighty-seven billion, eight hundred fifty-seven million, two hundred thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1687857200128 × 10¹³

Factors of 21687857200128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 251

Divisors of 21687857200128

• Number of divisors d(n): 792
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 43 48 56 58 64 84 86 87 96 112 116 128 129 167 168 172 174 192 203 224 232 256 258 301 334 336 344 348 384 406 448 464 501 512 516 602 609 668 672 688 696 768 812 841 896 903 928 1002 1024 1032 1169 1204 1218 1247 1336 1344 1376 1392 1536 1624 1682 1792 1806 1856 2004 2064 2338 2408 2436 2494 2523 2672 2688 2752 2784 3072 3248 3364 3507 3584 3612 3712 3741 4008 4128 4676 4816 4843 4872 4988 5046 5344 5376 5504 5568 5887 6496 6728 7014 7168 7181 7224 7424 7482 8016 8256 8729 9352 9632 9686 9744 9976 10092 10688 10752 11008 11136 11774 12992 13456 14028 14362 14448 14529 14848 14964 16032 16512 17458 17661 18704 19264 19372 19488 19952 20184 21376 21504 21543 22016 22272 23548 25984 26187 26912 27889 28056 28724 28896 29058 29696 29928 32064 33024 33901 34916 35322 36163 37408 38528 38744 38976 39904 40368 42752 43086 44032 44544 47096 50267 51968 52374 53824 55778 56112 57448 57792 58116 59856 64128 66048 67802 69832 70644 72326 74816 77056 77488 77952 79808 80736 83667 85504 86172 89088 94192 100534 101703 103936 104748 107648 108489 111556 112224 114896 115584 116232 119712 128256 132096 135604 139664 140447 141288 144652 149632 150801 154112 154976 155904 159616 161472 167334 171008 172344 188384 195223 201068 203406 207872 208249 209496 215296 216978 223112 224448 229792 231168 232464 239424 253141 256512 271208 279328 280894 282576 289304 299264 301602 308224 309952 311808 319232 322944 334668 344688 376768 390446 402136 406812 416498 418992 421341 430592 433956 446224 448896 459584 462336 464928 478848 506282 513024 542416 558656 561788 565152 578608 585669 598528 603204 619904 623616 624747 638464 645888 669336 689376 753536 759423 780892 804272 808781 813624 832996 837984 842682 861184 867912 892448 897792 919168 924672 929856 957696 983129 1012564 1084832 1117312 1123576 1130304 1157216 1171338 1197056 1199227 1206408 1239808 1249494 1276928 1291776 1338672 1378752 1457743 1507072 1518846 1561784 1608544 1617562 1627248 1665992 1675968 1685364 1735824 1784896 1795584 1838336 1859712 1915392 1966258 2025128 2169664 2234624 2247152 2260608 2314432 2342676 2398454 2412816 2426343 2479616 2498988 2583552 2677344 2757504 2915486 2949387 3014144 3037692 3123568 3217088 3235124 3254496 3331984 3351936 3370728 3471648 3569792 3591168 3597681 3676672 3719424 3830784 3932516 4050256 4339328 4373229 4469248 4494304 4521216 4628864 4685352 4796908 4825632 4852686 4959232 4997976 5354688 5515008 5661467 5830972 5898774 6028288 6039221 6075384 6247136 6434176 6470248 6508992 6663968 6703872 6741456 6943296 7139584 7195362 7353344 7438848 7865032 8100512 8394589 8678656 8746458 8938496 8988608 9042432 9257728 9370704 9593816 9651264 9705372 9995952 10709376 11030016 11322934 11661944 11797548 12078442 12150768 12494272 12868352 12940496 13017984 13327936 13407744 13482912 13886592 14279168 14390724 14877696 15730064 16201024 16789178 16984401 17357312 17492916 17977216 18084864 18117663 18515456 18741408 19187632 19302528 19410744 19991904 21418752 22060032 22645868 23323888 23454649 23595096 24156884 24301536 24988544 25183767 25736704 25880992 26035968 26655872 26815488 26965824 27773184 28558336 28781448 31460128 32402048 33578356 33968802 34714624 34777583 34985832 35954432 36235326 37030912 37482816 38375264 38605056 38821488 39983808 42274547 42837504 45291736 46647776 46909298 47190192 48313768 48603072 49977088 50367534 51473408 51761984 52071936 53311744 53931648 55546368 57562896 62920256 64804096 67156712 67937604 69555166 69971664 70363947 71908864 72470652 74965632 76750528 77210112 77642976 79967616 84549094 85675008 90583472 93295552 93818596 94380384 96627536 97206144 99954176 100735068 103523968 104143872 104332749 106623488 107863296 111092736 115125792 125840512 126823641 129608192 134313424 135875208 139110332 139943328 140727894 143817728 144941304 149931264 153501056 154420224 155285952 159935232 164182543 169098188 181166944 186591104 187637192 188760768 193255072 194412288 199908352 201470136 207047936 208665498 213246976 215726592 230251584 243443081 251681024 253647282 259216384 268626848 271750416 278220664 279886656 281455788 289882608 299862528 307002112 310571904 319870464 328365086 338196376 362333888 373182208 375274384 377521536 386510144 388824576 402940272 414095872 417330996 431453184 460503168 486886162 492547629 503362048 507294564 537253696 543500832 556441328 559773312 562911576 579765216 599725056 614004224 621143808 639740928 656730172 676392752 724667776 730329243 746364416 750548768 755043072 773020288 777649152 805880544 828191744 834661992 921006336 973772324 985095258 1006724096 1008549907 1014589128 1074507392 1087001664 1112882656 1119546624 1125823152 1159530432 1228008448 1242287616 1313460344 1352785504 1449335552 1460658486 1492728832 1501097536 1510086144 1546040576 1611761088 1669323984 1842012672 1947544648 1970190516 2017099814 2029178256 2149014784 2174003328 2225765312 2239093248 2251646304 2319060864 2484575232 2626920688 2705571008 2898671104 2921316972 3002195072 3020172288 3025649721 3092081152 3223522176 3338647968 3684025344 3895089296 3940381032 4034199628 4058356512 4298029568 4348006656 4451530624 4478186496 4503292608 4638121728 5253841376 5411142016 5797342208 5842633944 6004390144 6051299442 6184162304 6447044352 6677295936 7059849349 7790178592 7880762064 8068399256 8116713024 8596059136 8696013312 8903061248 9006585216 9276243456 10507682752 10822284032 11685267888 12008780288 12102598884 12894088704 13354591872 14119698698 15580357184 15761524128 16136798512 16233426048 17392026624 17806122496 18013170432 18552486912 21015365504 21179548047 21644568064 23370535776 24017560576 24205197768 25788177408 26709183744 28239397396 31160714368 31523048256 32273597024 32466852096 35612244992 36026340864 42030731008 42359096094 43289136128 46741071552 48410395536 53418367488 56478794792 62321428736 63046096512 64547194048 64933704192 72052681728 84061462016 84718192188 93482143104 96820791072 106836734976 112957589584 124642857472 126092193024 129094388096 129867408384 168122924032 169436384376 186964286208 193641582144 225915179168 249285714944 252184386048 258188776192 338872768752 373928572416 387283164288 451830358336 504368772096 516377552384 677745537504 747857144832 774566328576 903660716672 1032755104768 1355491075008 1549132657152 1807321433344 2710982150016 3098265314304 3614642866688 5421964300032 7229285733376 10843928600064 21687857200128
• Sum of all divisors σ(n): 70433599679872
• Sum of proper divisors (its aliquot sum) s(n): 48745742479744
• 21687857200128 is an abundant number, because the sum of its proper divisors (48745742479744) is greater than itself. Its abundance is 27057885279616

Bases of 21687857200128

• Binary: 100111011100110011001000001100011110000000000₂
• Hexadecimal: 0x13B999063C00
• Base-36: 7OR9I7O5C

Squares and roots of 21687857200128

• 21687857200128 squared (21687857200128²) is 470363149933143931443216384
• 21687857200128 cubed (21687857200128³) is 10201168827952421615378509268117096497152
• The square root of 21687857200128 is 4657022.3534065197
• The cube root of 21687857200128 is 27887.2409040237

Scales and comparisons

• 21,687,857,200,128 seconds is equal to 689,606 years, 40 weeks, 1 day, 17 hours, 48 minutes, 48 seconds.
• To count from 1 to 21,687,857,200,128 would take you about one million, seven hundred twenty-four thousand and sixteen 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 21687857200128 cubic inches would be around 2323.9 feet tall.

Recreational maths with 21687857200128

• 21687857200128 backwards is 82100275878612
• The number of decimal digits it has is: 14
• The sum of 21687857200128's digits is 57
• More coming soon!