21031805878272

Names of 21031805878272

• Cardinal: 21031805878272 can be written as Twenty-one trillion, thirty-one billion, eight hundred five million, eight hundred seventy-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1031805878272 × 10¹³

Factors of 21031805878272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 415

Divisors of 21031805878272

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 31 32 36 38 42 48 49 56 57 62 63 64 72 76 84 93 96 98 112 114 124 126 128 133 144 147 152 168 171 186 192 196 217 224 228 248 252 256 266 279 288 294 304 336 342 343 353 372 384 392 399 434 441 448 456 496 504 512 532 558 576 588 589 608 651 672 684 686 706 744 768 784 798 868 882 896 912 931 992 1008 1024 1029 1059 1064 1116 1152 1176 1178 1197 1216 1302 1344 1368 1372 1412 1488 1519 1536 1568 1596 1736 1764 1767 1792 1824 1862 1953 1984 2016 2048 2058 2118 2128 2232 2304 2352 2356 2394 2432 2471 2604 2688 2736 2744 2793 2824 2976 3038 3072 3087 3136 3177 3192 3472 3528 3534 3584 3648 3724 3906 3968 4032 4096 4116 4123 4236 4256 4464 4557 4608 4704 4712 4788 4864 4942 5208 5301 5376 5472 5488 5586 5648 5952 6076 6144 6174 6272 6354 6384 6517 6707 6944 7056 7068 7168 7296 7413 7448 7812 7936 8064 8192 8232 8246 8379 8472 8512 8928 9114 9216 9408 9424 9576 9728 9884 10416 10602 10633 10752 10943 10944 10976 11172 11296 11904 12152 12288 12348 12369 12544 12708 12768 13034 13414 13671 13888 14112 14136 14336 14592 14826 14896 15624 15872 16128 16384 16464 16492 16758 16944 17024 17297 17856 18228 18432 18816 18848 19152 19456 19551 19768 20121 20832 21204 21266 21504 21886 21888 21952 22239 22344 22592 23808 24304 24576 24696 24738 25088 25416 25536 26068 26828 27342 27776 28224 28272 28672 28861 29184 29652 29792 31248 31744 31899 32256 32768 32829 32928 32984 33516 33888 34048 34594 35712 36456 36864 37107 37632 37696 38304 38912 39102 39536 40242 41664 42408 42532 43008 43772 43776 43904 44478 44688 45184 46949 47616 48608 49152 49392 49476 50176 50832 51072 51891 52136 53656 54684 55552 56448 56544 57344 57722 58368 58653 59304 59584 60363 62496 63488 63798 64512 65658 65856 65968 67032 67776 68096 69188 71424 72912 73728 74214 75264 75392 76601 76608 77824 78204 79072 80484 83328 84816 85064 86016 86583 87544 87552 87808 88956 89376 90368 93898 95232 95697 97216 98304 98487 98784 98952 100352 101664 102144 103782 104272 107312 109368 111104 112896 113088 114688 115444 116736 117306 118608 119168 120726 121079 124992 126976 127596 129024 131316 131712 131936 134064 135552 136192 138376 140847 142848 145824 147456 148428 150528 150784 153202 153216 155648 155673 156408 158144 160968 166656 169632 170128 172032 173166 175088 175104 175616 177912 178752 180736 187796 190464 191394 194432 196974 197568 197904 200704 202027 203328 204288 207564 207917 208544 214624 218736 222208 225792 226176 229376 229803 230888 233472 234612 237216 238336 241452 242158 249984 253952 255192 258048 259749 262632 263424 263872 268128 271104 272384 276752 281694 285696 291648 294912 296856 301056 301568 306404 306432 311296 311346 312816 316288 321936 328643 333312 339264 340256 344064 346332 350176 350208 351232 355824 357504 361472 363237 375592 380928 382788 388864 393948 395136 395808 401408 404054 406656 408576 415128 415834 417088 422541 429248 437472 444416 451584 452352 459606 461776 466944 469224 474432 476672 482904 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51718912 52051968 52395084 53136384 53226752 53387264 54085248 54943744 55212024 55996416 57901056 58183776 58829568 59107328 59880096 60055184 60060672 60727296 61127598 61811712 61992448 63099456 63995904 65329152 66495744 67233792 67551232 67562082 68634496 68640768 69741504 69860112 70848512 71315531 72113664 73616032 74661888 75995136 77213808 77578368 78439424 79704576 79840128 80080896 80969728 81503464 82415616 82818036 84132608 86851584 87105536 88244352 88660992 89645056 90082776 91090944 91521024 91691397 92988672 93146816 94649184 96151552 97993728 100850688 101154816 101326848 102951744 103437824 104103936 104790168 106272768 106453504 106774528 108170496 109887488 110424048 111992832 116367552 117659136 118214656 119760192 120110368 120121344 121454592 122255196 123623424 123984896 126198912 130658304 132991488 134467584 135102464 135124164 137268992 137281536 139483008 139720224 141697024 142631062 144227328 147232064 149323776 151990272 154427616 155156736 156878848 159409152 159680256 160161792 163006928 164831232 165636072 168265216 173703168 174211072 176488704 177321984 179290112 180165552 182181888 183382794 185977344 186293632 189298368 192303104 195987456 201701376 202653696 205903488 206875648 209580336 212545536 212907008 213549056 213946593 216340992 219774976 220848096 223985664 232735104 235318272 236429312 239520384 240220736 240242688 242909184 244510392 247246848 247969792 252397824 261316608 265982976 268935168 270248328 274537984 274563072 278966016 279440448 283394048 285262124 288454656 294464128 303980544 308855232 310313472 313757696 318818304 319360512 320323584 326013856 329662464 331272144 336530432 348422144 352977408 354643968 358580224 360331104 364363776 366765588 371954688 372587264 378596736 384606208 391974912 403402752 405307392 411806976 413751296 419160672 425091072 425814016 427893186 432681984 441696192 447971328 465470208 470636544 472858624 479040768 480441472 480485376 489020784 494493696 495939584 504795648 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1956083136 1977974784 1983758336 2019182592 2127863808 2161986624 2196303872 2231728128 2235523584 2282096992 2307637248 2355713024 2470841856 2482507776 2510061568 2550546432 2554884096 2567359116 2608110848 2650177152 2692243456 2823819264 2837151744 2882648832 2934124704 2975637504 2980698112 3028773888 3135799296 3227222016 3294455808 3310010368 3353285376 3406512128 3423145488 3461455872 3533569536 3723761664 3765092352 3832326144 3843531776 3912166272 3967516672 4038365184 4255727616 4323973248 4392607744 4463456256 4471047168 4564193984 4615274496 4711426048 4941683712 4965015552 5101092864 5109768192 5134718232 5216221696 5300354304 5384486912 5647638528 5765297664 5868249408 5951275008 5961396224 6057547776 6588911616 6620020736 6706570752 6813024256 6846290976 6922911744 7067139072 7447523328 7530184704 7664652288 7687063552 7824332544 8076730368 8511455232 8647946496 8785215488 8926912512 8942094336 9128387968 9422852096 9883367424 9930031104 10219536384 10269436464 10432443392 10600708608 10768973824 11295277056 11530595328 11736498816 11902550016 11922792448 12115095552 13177823232 13413141504 13692581952 13845823488 14134278144 14895046656 15329304576 15374127104 15648665088 16153460736 17295892992 17570430976 17853825024 17884188672 18256775936 18845704192 19766734848 19860062208 20439072768 20538872928 20864886784 21201417216 22590554112 23061190656 23472997632 23845584896 24230191104 26355646464 26826283008 27385163904 28268556288 29790093312 30658609152 30748254208 31297330176 32306921472 34591785984 35707650048 35768377344 36513551872 37691408384 39533469696 41077745856 41729773568 42402834432 46122381312 46945995264 47691169792 48460382208 52711292928 53652566016 54770327808 56537112576 59580186624 61317218304 61496508416 62594660352 69183571968 71536754688 73027103744 75382816768 79066939392 82155491712 83459547136 84805668864 92244762624 93891990528 96920764416 107305132032 109540655616 113074225152 122993016832 125189320704 138367143936 143073509376 146054207488 158133878784 164310983424 166919094272 169611337728 184489525248 187783981056 214610264064 219081311232 226148450304 250378641408 276734287872 292108414976 328621966848 333838188544 339222675456 368979050496 375567962112 429220528128 438162622464 500757282816 553468575744 584216829952 657243933696 678445350912 751135924224 876325244928 1001514565632 1106937151488 1168433659904 1314487867392 1502271848448 1752650489856 2336867319808 2628975734784 3004543696896 3505300979712 5257951469568 7010601959424 10515902939136 21031805878272
• Sum of all divisors σ(n): 77207569920000
• Sum of proper divisors (its aliquot sum) s(n): 56175764041728
• 21031805878272 is an abundant number, because the sum of its proper divisors (56175764041728) is greater than itself. Its abundance is 35143958163456

Bases of 21031805878272

• Binary: 100110010000011011001010100011000000000000000₂
• Hexadecimal: 0x1320D9518000
• Base-36: 7GDVM70G0

Squares and roots of 21031805878272

• 21031805878272 squared (21031805878272²) is 442336858501316653281705984
• 21031805878272 cubed (21031805878272³) is 9303142940804361484741830033851597979648
• The square root of 21031805878272 is 4586044.6877752947
• The cube root of 21031805878272 is 27603.1633102725

Scales and comparisons

• 21,031,805,878,272 seconds is equal to 668,746 years, 19 weeks, 2 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,031,805,878,272 would take you about one million, six hundred seventy-one thousand, eight hundred sixty-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 21031805878272 cubic inches would be around 2300.3 feet tall.

Recreational maths with 21031805878272

• 21031805878272 backwards is 27287850813012
• The number of decimal digits it has is: 14
• The sum of 21031805878272's digits is 54
• More coming soon!