21403402978464

Names of 21403402978464

• Cardinal: 21403402978464 can be written as Twenty-one trillion, four hundred three billion, four hundred two million, nine hundred seventy-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1403402978464 × 10¹³

Factors of 21403402978464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 320

Divisors of 21403402978464

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 32 36 39 48 52 54 62 72 78 81 93 96 104 108 117 124 144 156 162 186 208 216 234 243 248 271 279 288 312 324 351 372 403 416 432 468 486 496 542 558 624 648 702 729 744 806 813 837 864 936 961 972 992 1053 1084 1116 1209 1248 1296 1404 1458 1488 1612 1626 1674 1872 1922 1944 2106 2168 2232 2418 2439 2511 2592 2808 2883 2916 2976 3159 3224 3252 3348 3523 3627 3744 3844 3888 4212 4336 4464 4836 4878 5022 5616 5766 5832 6318 6448 6504 6696 7046 7254 7317 7533 7688 7776 8401 8424 8649 8672 8928 9477 9672 9756 10044 10569 10881 11232 11532 11664 12493 12636 12896 13008 13392 14092 14508 14634 15066 15376 16802 16848 17298 18954 19344 19512 20088 21138 21762 21951 22599 23064 23328 24986 25203 25272 25947 26016 26784 28184 29016 29268 30132 30752 31707 32643 33604 33696 34596 37479 37908 38688 39024 40176 42276 43524 43902 45198 46128 49972 50406 50544 51894 56368 58032 58536 60264 63414 65286 65853 67208 69192 73441 74958 75609 75816 77841 78048 80352 84552 87048 87804 90396 92256 95121 97929 99944 100812 101088 103788 109213 112437 112736 116064 117072 120528 126828 130572 131706 134416 138384 146882 149916 151218 151632 155682 169104 174096 175608 180792 190242 195858 197559 199888 201624 207576 218426 220323 224874 226827 233523 234144 241056 253656 260431 261144 263412 268832 276768 285363 293764 293787 299832 302436 303264 311364 327639 337311 338208 348192 351216 361584 380484 391716 395118 399776 403248 415152 436852 440646 449748 453654 467046 507312 520862 522288 526824 570726 587528 587574 599664 604872 622728 655278 660969 674622 680481 700569 702432 723168 760968 781293 783432 790236 806496 830304 856089 873704 881292 899496 907308 934092 954733 982917 1011933 1014624 1041724 1044576 1053648 1141452 1175056 1175148 1199328 1209744 1245456 1310556 1321938 1349244 1360962 1401138 1521936 1562586 1566864 1580472 1712178 1747408 1762584 1798992 1814616 1868184 1909466 1965834 1982907 2023866 2041443 2083448 2107296 2276671 2282904 2343879 2350112 2350296 2419488 2490912 2568267 2621112 2643876 2698488 2721924 2802276 2864199 2948751 3035799 3043872 3125172 3133728 3160944 3385603 3424356 3494816 3525168 3597984 3629232 3736368 3818932 3931668 3965814 4047732 4082886 4166896 4553342 4565808 4687758 4700592 5136534 5242224 5287752 5396976 5443848 5604552 5728398 5897502 5948721 6071598 6124329 6250344 6321888 6771206 6830013 6848712 7031637 7050336 7258464 7472736 7637864 7863336 7931628 8095464 8165772 8333792 8592597 8846253 9106684 9107397 9131616 9375516 9401184 10156809 10273068 10484448 10575504 10793952 10887696 11209104 11456796 11795004 11897442 12143196 12248658 12500688 13542412 13660026 13697424 14063274 15275728 15726672 15863256 16190928 16331544 17185194 17692506 17846163 18213368 18214794 18751032 20313618 20490039 20546136 21094911 21151008 21775392 22418208 22913592 23590008 23794884 24286392 24497316 25001376 25777791 26538759 27084824 27320052 27394848 28126548 29596723 30470427 30551456 31453344 31726512 32381856 32663088 34370388 35385012 35692326 36426736 36429588 37502064 40627236 40980078 41092272 42189822 45827184 47180016 47589768 48572784 48994632 51555582 53077518 53538489 54169648 54640104 56253096 59193446 60940854 61470117 63284733 63453024 65326176 68740776 70576801 70770024 71384652 72853472 72859176 75004128 77333373 79616277 81254472 81960156 82184544 84379644 88790169 91411281 91654368 94360032 95179536 97145568 97989264 103111164 106155036 107076978 108339296 109280208 112506192 118386892 121881708 122940234 126569466 137481552 141153602 141540048 142769304 145718352 154666746 159232554 162508944 163920312 168759288 177580338 182822562 184410351 189854199 190359072 195978528 206222328 211730403 212310072 214153956 218560416 225012384 232000119 236773784 243763416 245880468 253138932 266370507 274233843 274963104 282307204 283080096 285538608 291436704 309333492 318465108 325017888 327840624 337518576 355160676 365645124 368820702 379708398 412444656 423460806 424620144 428307912 464000238 473547568 487526832 491760936 506277864 532741014 548467686 553231053 564614408 571077216 618666984 635191209 636930216 655681248 675037152 696000357 710321352 731290248 737641404 759416796 799111521 822701529 824889312 846921612 849240288 856615824 917498413 928000476 947095136 975053664 983521872 1012555728 1065482028 1096935372 1106462106 1129228816 1237333968 1270382418 1273860432 1392000714 1420642704 1462580496 1475282808 1518833592 1598223042 1645403058 1659693159 1693843224 1713231648 1834996826 1856000952 1905573627 1967043744 2025111456 2130964056 2193870744 2212924212 2258457632 2397334563 2468104587 2474667936 2540764836 2547720864 2752495239 2784001428 2841285408 2925160992 2950565616 3037667184 3196446084 3290806116 3319386318 3387686448 3669993652 3712001904 3811147254 4261928112 4387741488 4425848424 4794669126 4936209174 5081529672 5504990478 5568002856 5716720881 5901131232 6075334368 6392892168 6581612232 6638772636 6775372896 7192003689 7339987304 7424003808 7622294508 8257485717 8523856224 8775482976 8851696848 9589338252 9872418348 10163059344 11009980956 11136005712 11433441762 12785784336 13163224464 13277545272 14384007378 14679974608 15244589016 16514971434 17150162643 17703393696 19178676504 19744836696 20326118688 21576011067 22019961912 22272011424 22866883524 24772457151 25571568672 26326448928 26555090544 28768014756 29359949216 30489178032 33029942868 34300325286 38357353008 39489673392 43152022134 44039923824 45733767048 49544914302 51450487929 53110181088 57536029512 60978356064 66059885736 68600650572 74317371453 76714706016 78979346784 86304044268 88079847648 91467534096 99089828604 102900975858 115072059024 132119771472 137201301144 148634742906 172608088536 182935068192 198179657208 205801951716 222952114359 230144118048 264239542944 274402602288 297269485812 345216177072 396359314416 411603903432 445904228718 548805204576 594538971624 668856343077 690432354144 792718628832 823207806864 891808457436 1189077943248 1337712686154 1646415613728 1783616914872 2378155886496 2675425372308 3567233829744 5350850744616 7134467659488 10701701489232 21403402978464
• Sum of all divisors σ(n): 70563819798234
• Sum of proper divisors (its aliquot sum) s(n): 49160416819770
• 21403402978464 is an abundant number, because the sum of its proper divisors (49160416819770) is greater than itself. Its abundance is 27757013841306

Bases of 21403402978464

• Binary: 100110111011101011110001110110100010010100000₂
• Hexadecimal: 0x13775E3B44A0
• Base-36: 7L4L5II00

Squares and roots of 21403402978464

• 21403402978464 squared (21403402978464²) is 458105659058521626447799296
• 21403402978464 cubed (21403402978464³) is 9805020027544375481593385048224482361344
• The square root of 21403402978464 is 4626381.1968388425
• The cube root of 21403402978464 is 27764.7825266071

Scales and comparisons

• 21,403,402,978,464 seconds is equal to 680,562 years, 3 days, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,403,402,978,464 would take you about one million, seven hundred one thousand, four hundred five 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 21403402978464 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21403402978464

• 21403402978464 backwards is 46487920430412
• 21403402978464 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21403402978464's digits is 54
• More coming soon!