21228069538368

Names of 21228069538368

• Cardinal: 21228069538368 can be written as Twenty-one trillion, two hundred twenty-eight billion, sixty-nine million, five hundred thirty-eight thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1228069538368 × 10¹³

Factors of 21228069538368

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 141042

Divisors of 21228069538368

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 43 44 48 56 63 64 66 72 77 79 84 86 88 96 99 112 126 129 132 144 154 158 168 172 176 192 198 224 231 237 252 258 264 288 301 308 316 336 344 352 387 396 448 462 473 474 504 516 528 553 576 602 616 632 672 688 693 704 711 774 792 869 903 924 946 948 1008 1032 1056 1106 1204 1232 1264 1344 1376 1386 1419 1422 1548 1584 1659 1738 1806 1848 1892 1896 2016 2064 2112 2212 2408 2464 2528 2607 2709 2752 2772 2838 2844 3096 3168 3311 3318 3397 3476 3612 3696 3784 3792 4032 4128 4257 4424 4816 4928 4977 5056 5214 5418 5544 5676 5688 6083 6192 6336 6622 6636 6794 6952 7224 7392 7568 7584 7821 8256 8514 8848 9632 9933 9954 10191 10428 10836 11088 11352 11376 12166 12384 13244 13272 13588 13904 14448 14784 15136 15168 15642 17028 17696 18249 19264 19866 19908 20382 20856 21672 22176 22704 22752 23779 24332 24768 26488 26544 27176 27808 28896 29799 30272 30573 31284 34056 35392 36498 37367 39732 39816 40764 41712 43344 44352 45408 45504 47558 48664 52976 53088 54352 54747 55616 57792 59598 61146 62568 68112 71337 72996 74734 79464 79632 81528 83424 86688 90816 95116 97328 105952 106176 108704 109494 112101 119196 122292 125136 136224 140897 142674 145992 149468 158928 159264 163056 166848 173376 190232 194656 211904 214011 217408 218988 224202 238392 244584 250272 261569 272448 281794 285348 291984 298936 317856 318528 326112 336303 380464 389312 422691 428022 437976 448404 476784 489168 500544 523138 563588 570696 583968 597872 635712 652224 672606 760928 784707 845382 856044 875952 896808 953568 978336 986279 1046276 1127176 1141392 1167936 1195744 1268073 1345212 1521856 1549867 1569414 1690764 1712088 1751904 1793616 1907136 1956672 1972558 2092552 2254352 2282784 2354121 2391488 2536146 2690424 2958837 3099734 3138828 3381528 3424176 3503808 3587232 3945116 4185104 4508704 4565568 4649601 4708242 5072292 5380848 5917674 6058571 6199468 6277656 6763056 6848352 7174464 7890232 8370208 8876511 9017408 9299202 9416484 10144584 10761696 10849069 11130863 11835348 12117142 12398936 12555312 13526112 13696704 13948803 15780464 16740416 17753022 18175713 18598404 18832968 20289168 21523392 21698138 22261726 23670696 24234284 24797872 25110624 27052224 27897606 31560928 32547207 33392589 35506044 36351426 37196808 37665936 40578336 42409997 43396276 44523452 47341392 48468568 49595744 50221248 54527139 55795212 63121856 65094414 66644281 66785178 71012088 72702852 74393616 75331872 77916041 81156672 84819994 86792552 89046904 94682784 96937136 97641621 99191488 100177767 109054278 111590424 122439493 127229991 130188828 133288562 133570356 142024176 145405704 148787232 150663744 155832082 169639988 173585104 178093808 189365568 193874272 195283242 199932843 200355534 218108556 223180848 233748123 244878986 254459982 260377656 266577124 267140712 284048352 290811408 297574464 311664164 339279976 347170208 356187616 367318479 381689973 387748544 390566484 399865686 400711068 436217112 446361696 466509967 467496246 478627109 489757972 508919964 520755312 533154248 534281424 568096704 581622816 599798529 623328328 678559952 694340416 701244369 712375232 734636958 763379946 781132968 799731372 801422136 857076451 872434224 892723392 933019934 934992492 957254218 979515944 1017839928 1041510624 1066308496 1068562848 1101955437 1163245632 1199597058 1246656656 1357119904 1399529901 1402488738 1435881327 1469273916 1526759892 1562265936 1599462744 1602844272 1714152902 1744868448 1866039868 1869984984 1914508436 1959031888 2035679856 2083021248 2132616992 2137125696 2203910874 2399194116 2493313312 2571229353 2714239808 2799059802 2804977476 2871762654 2938547832 3053519784 3124531872 3198925488 3205688544 3350389763 3428305804 3489736896 3732079736 3739969968 3829016872 3918063776 4071359712 4198589703 4265233984 4307643981 4407821748 4798388232 4986626624 5142458706 5264898199 5598119604 5609954952 5743525308 5877095664 6107039568 6249063744 6397850976 6411377088 6700779526 6856611608 7464159472 7479939936 7658033744 7713688059 7836127552 8142719424 8397179406 8615287962 8815643496 9596776464 10051169289 10284917412 10529796398 11196239208 11219909904 11487050616 11754191328 12214079136 12795701952 13401559052 13713223216 14928318944 14959879872 15316067488 15427376118 15794694597 16794358812 17230575924 17631286992 19193552928 20102338578 20569834824 21059592796 22392478416 22439819808 22974101232 23508382656 24428158272 26803118104 27426446432 29856637888 30153507867 30632134976 30854752236 31589389194 33588717624 34461151848 35262573984 36854287393 38387105856 40204677156 41139669648 42119185592 44784956832 44879639616 45948202464 47384083791 53606236208 54852892864 60307015734 61709504472 63178778388 67177435248 68922303696 70525147968 73708574786 80409354312 82279339296 84238371184 89569913664 91896404928 94768167582 107212472416 110562862179 120614031468 123419008944 126357556776 134354870496 137844607392 147417149572 160818708624 164558678592 168476742368 189536335164 214424944832 221125724358 241228062936 246838017888 252715113552 268709740992 275689214784 294834299144 321637417248 331688586537 336953484736 379072670328 442251448716 482456125872 493676035776 505430227104 589668598288 643274834496 663377173074 758145340656 884502897432 964912251744 1010860454208 1179337196576 1326754346148 1516290681312 1769005794864 1929824503488 2358674393152 2653508692296 3032581362624 3538011589728 5307017384592 7076023179456 10614034769184 21228069538368
• Sum of all divisors σ(n): 78607828316160
• Sum of proper divisors (its aliquot sum) s(n): 57379758777792
• 21228069538368 is an abundant number, because the sum of its proper divisors (57379758777792) is greater than itself. Its abundance is 36151689239424

Bases of 21228069538368

• Binary: 100110100111010001011100010110100101001000000₂
• Hexadecimal: 0x134E8B8B4A40
• Base-36: 7IW1GIDS0

Squares and roots of 21228069538368

• 21228069538368 squared (21228069538368²) is 450630936325787392624103424
• 21228069538368 cubed (21228069538368³) is 9566024852463697177796065540061568172032
• The square root of 21228069538368 is 4607392.9220729591
• The cube root of 21228069538368 is 27688.7595912757

Scales and comparisons

• 21,228,069,538,368 seconds is equal to 674,986 years, 49 weeks, 2 days, 6 hours, 52 minutes, 48 seconds.
• To count from 1 to 21,228,069,538,368 would take you about one million, six hundred eighty-seven thousand, four hundred sixty-seven 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 21228069538368 cubic inches would be around 2307.4 feet tall.

Recreational maths with 21228069538368

• 21228069538368 backwards is 86383596082212
• 21228069538368 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21228069538368's digits is 63
• More coming soon!