21438217440672

Names of 21438217440672

• Cardinal: 21438217440672 can be written as Twenty-one trillion, four hundred thirty-eight billion, two hundred seventeen million, four hundred forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1438217440672 × 10¹³

Factors of 21438217440672

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2070

Divisors of 21438217440672

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 31 32 46 48 61 62 69 89 92 93 96 122 124 138 178 183 184 186 244 248 267 276 356 366 368 372 488 496 534 552 712 713 732 736 744 961 976 992 1068 1104 1403 1424 1426 1464 1488 1861 1891 1922 1952 2047 2136 2139 2208 2759 2806 2848 2852 2883 2928 2976 3722 3782 3844 4094 4209 4272 4278 5429 5518 5583 5612 5673 5704 5766 5856 6141 7444 7564 7688 8188 8277 8418 8544 8556 10858 11036 11166 11224 11346 11408 11532 12282 14888 15128 15376 16287 16376 16554 16836 17112 21716 22072 22103 22332 22448 22692 22816 23064 24564 29776 30256 30752 32574 32752 33108 33672 34224 42803 43432 43493 44144 44206 44664 44896 45384 46128 49128 57691 58621 59552 60512 63457 65148 65504 66216 66309 67344 68448 85529 85606 86864 86986 88288 88412 89328 90768 92256 98256 113521 115382 117242 124867 126914 128409 130296 130479 132432 132618 134688 165629 168299 171058 171212 173073 173728 173972 175863 176824 178656 181536 190371 196512 227042 230764 234484 249734 253828 256587 256818 260592 260958 264864 265236 331258 336598 340563 342116 342424 346146 347944 351726 353648 374601 380742 454084 461528 468968 496887 499468 504897 507656 513174 513636 521184 521916 530472 662516 673196 681126 684232 684848 692292 695888 703452 707296 749202 761484 908168 923056 937936 993774 998936 1009794 1015312 1026348 1027272 1043832 1060944 1325032 1326893 1346392 1348283 1362252 1368464 1369696 1384584 1391776 1406904 1498404 1522968 1788421 1816336 1846112 1875872 1967167 1987548 1997872 2019588 2030624 2052696 2054544 2087664 2121888 2610983 2650064 2653786 2692784 2696566 2724504 2736928 2769168 2813808 2996808 3045936 3519151 3576842 3632672 3809467 3870877 3934334 3975096 3980679 3995744 4039176 4044849 4105392 4109088 4175328 5134499 5217269 5221966 5300128 5307572 5365263 5385568 5393132 5449008 5538336 5627616 5901501 5993616 6091872 7038302 7153684 7618934 7741754 7832949 7868668 7950192 7961358 8078352 8089698 8210784 10103369 10268998 10434538 10443932 10557453 10615144 10730526 10786264 10898016 11428401 11612631 11803002 11987232 14076604 14307368 15237868 15403497 15483508 15651807 15665898 15737336 15900384 15922716 16156704 16179396 20206738 20537996 20869076 20887864 21114906 21230288 21461052 21572528 22856802 23225262 23606004 28153208 28614736 30310107 30475736 30806994 30967016 31303614 31331796 31474672 31845432 32358792 40413476 41075992 41133683 41738152 41775728 42229812 42460576 42922104 43145056 45713604 46450524 47212008 56306416 57229472 60620214 60951472 61613988 61934032 62607228 62663592 62949344 63690864 64717584 80826952 80940473 82151984 82267366 83476304 83551456 84459624 85844208 91427208 92901048 94424016 109093681 112612832 118093477 119997187 121240428 121902944 123227976 123401049 123868064 125214456 125327184 127381728 129435168 159169469 161653904 161880946 164303968 164534732 166952608 168919248 171688416 182854416 185802096 188848032 218187362 232377487 236186954 239994374 242480856 242821419 246455952 246802098 250428912 250654368 313204439 318338938 323307808 323761892 327281043 329069464 337838496 354280431 359991561 365708832 371604192 436374724 464754974 472373908 477508407 479988748 484961712 485642838 492911904 493604196 500857824 626408878 636677876 647523784 654562086 658138928 697132461 708560862 719983122 872749448 929509948 939613317 944747816 955016814 959977496 969923424 971285676 987208392 1252817756 1273355752 1295047568 1309124172 1316277856 1394264922 1417121724 1439966244 1745498896 1859019896 1879226634 1889495632 1910033628 1919954992 1942571352 1974416784 2505635512 2509154663 2546711504 2590095136 2618248344 2788529844 2834243448 2879932488 3490997792 3660897787 3718039792 3758453268 3778991264 3820067256 3839909984 3885142704 3948833568 5011271024 5018309326 5093423008 5236496688 5577059688 5668486896 5759864976 7203702097 7321795574 7436079584 7516906536 7527463989 7640134512 7770285408 9709337609 10022542048 10036618652 10472993376 10982693361 11154119376 11336973792 11519729952 14407404194 14643591148 15033813072 15054927978 15280269024 19418675218 20073237304 21611106291 21965386722 22308238752 28814808388 29128012827 29287182296 30067626144 30109855956 38837350436 40146474608 43222212582 43930773444 57629616776 58256025654 58574364592 60219711912 77674700872 80292949216 86444425164 87861546888 115259233552 116512051308 117148729184 120439423824 155349401744 172888850328 175723093776 223314765007 230518467104 233024102616 240878847648 310698803488 345777700656 351446187552 446629530014 466048205232 669944295021 691555401312 893259060028 932096410464 1339888590042 1786518120056 2679777180084 3573036240112 5359554360168 7146072480224 10719108720336 21438217440672
• Sum of all divisors σ(n): 62398608733440
• Sum of proper divisors (its aliquot sum) s(n): 40960391292768
• 21438217440672 is an abundant number, because the sum of its proper divisors (40960391292768) is greater than itself. Its abundance is 19522173852096

Bases of 21438217440672

• Binary: 100110111111101111001010101011100110110100000₂
• Hexadecimal: 0x137F7955CDA0
• Base-36: 7LKKX58YO

Squares and roots of 21438217440672

• 21438217440672 squared (21438217440672²) is 459597167033533117839811584
• 21438217440672 cubed (21438217440672³) is 9852944001981732047937558081611178344448
• The square root of 21438217440672 is 4630142.2700249719
• The cube root of 21438217440672 is 27779.8283015177

Scales and comparisons

• 21,438,217,440,672 seconds is equal to 681,669 years, 16 hours, 11 minutes, 12 seconds.
• To count from 1 to 21,438,217,440,672 would take you about one million, seven hundred four thousand, one 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 21438217440672 cubic inches would be around 2315 feet tall.

Recreational maths with 21438217440672

• 21438217440672 backwards is 27604471283412
• The number of decimal digits it has is: 14
• The sum of 21438217440672's digits is 51
• More coming soon!