12816621642825

Names of 12816621642825

• Cardinal: 12816621642825 can be written as Twelve trillion, eight hundred sixteen billion, six hundred twenty-one million, six hundred forty-two thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 1.2816621642825 × 10¹³

Factors of 12816621642825

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 413

Divisors of 12816621642825

• Number of divisors d(n): 720
• Complete list of divisors:
  1 3 5 7 9 11 13 15 21 25 27 33 35 39 45 55 63 65 75 77 81 91 99 105 117 135 143 165 175 181 189 193 195 225 231 273 275 297 315 325 351 385 405 429 455 495 525 543 567 579 585 675 693 715 819 825 891 905 945 965 975 1001 1053 1155 1267 1287 1351 1365 1485 1575 1629 1737 1755 1925 1991 2025 2079 2123 2145 2275 2353 2457 2475 2509 2715 2835 2895 2925 3003 3465 3575 3801 3861 4053 4095 4455 4525 4725 4825 4887 5005 5211 5265 5775 5973 6237 6335 6369 6435 6755 6825 7059 7371 7425 7527 8145 8685 8775 9009 9955 10395 10615 10725 11403 11583 11765 12159 12285 12545 13575 13937 14175 14475 14661 14861 15015 15633 16471 17325 17563 17919 19005 19107 19305 20265 20475 21177 22275 22581 24435 25025 25883 26055 26325 27027 27599 29865 31185 31675 31845 32175 32761 33775 34209 34933 35295 36477 36855 37635 40725 41811 43425 44583 45045 49413 49775 51975 52689 53075 53757 57015 57321 57915 58825 60795 61425 62725 63531 67743 69685 73305 74305 75075 77649 78165 81081 82355 82797 87815 89595 95025 95535 96525 98283 101325 102627 104799 105885 109431 112905 122175 125433 129415 130275 133749 135135 137995 148239 149325 155925 158067 159225 161271 163805 171045 171963 174665 176475 181181 182385 184275 188175 190593 193193 203229 209055 222915 225225 229327 232947 244531 247065 248391 263445 268785 285075 286605 289575 294849 303975 314397 317655 338715 348425 360371 366525 371525 376299 384263 388245 390825 401247 405405 411775 413985 425893 439075 444717 447975 454129 474201 477675 491415 513135 523995 529425 543543 547155 564525 579579 627165 647075 668745 675675 687981 689975 698841 733593 741195 745173 790335 806355 819025 855225 859815 873325 884547 905905 911925 943191 952965 965965 1016145 1045275 1081113 1114575 1128897 1146635 1152789 1164735 1203741 1222655 1235325 1241955 1277679 1317225 1334151 1343925 1362387 1422603 1433025 1474245 1571985 1588275 1630629 1693575 1738737 1801855 1881495 1921315 1941225 2006235 2027025 2063943 2069925 2096523 2129465 2200779 2223585 2235519 2270645 2371005 2457075 2522597 2565675 2619975 2653641 2689841 2717715 2735775 2829573 2897895 2981251 3135825 3178903 3243339 3343725 3439905 3458367 3494205 3667965 3705975 3725865 3833037 3951675 4031775 4087161 4299075 4422735 4529525 4684823 4715955 4764825 4829825 4891887 4995419 5080725 5216211 5405565 5644485 5733175 5763945 5823675 6018705 6113275 6191829 6209775 6322873 6388395 6602337 6670755 6811935 7113015 7371225 7567791 7859925 8069523 8153145 8693685 8943753 9009275 9407475 9536709 9606575 9730017 10031175 10319715 10375101 10482615 10647325 11003895 11117925 11177595 11353225 11499111 11855025 12261483 12612985 13268205 13449205 13588575 14054469 14147865 14489475 14675661 14906255 14986257 15648633 15894515 16216695 17199525 17291835 17471025 18339825 18575487 18629325 18968619 19165185 19807011 20435805 22113675 22703373 23424115 23579775 24208569 24459435 24977095 26081055 26831259 27027825 28222425 28610127 28819725 29190051 30093525 30959145 31125303 31614365 31941975 32793761 33011685 33353775 34059675 34497333 34967933 35565075 36784449 37838955 40347615 40765725 42163407 43468425 44260111 44718765 44958771 47683545 48650085 51598575 51875505 52413075 55019475 55887975 56905857 57495555 61307415 63064925 66341025 67246025 68110119 69551603 70272345 70739325 72625707 73378305 74531275 74931285 78243165 79472575 80493777 81083475 82197349 85830381 86459175 92877435 94843095 95825925 98381283 99035055 102179025 104903799 113516865 117120575 121042845 122297175 124885475 126490221 130405275 132780333 134156295 134876313 143050635 145950255 154795725 155626515 158071825 163968805 165058425 170717571 172486665 174839665 183922245 189194775 201738075 204330357 208654809 210817035 217877121 221300555 223593825 224793855 238417725 241481331 243250425 246592047 257491143 259377525 284529285 287477775 295143849 306537075 314711397 340550595 347758015 351361725 363128535 366891525 374656425 379470663 391215825 398340999 402468885 404628939 410986745 429151905 464387175 474215475 486861221 491906415 495175275 512152713 524518995 567584325 575381443 605214225 625964427 632451105 663901665 670781475 674381565 715253175 729751275 739776141 778132575 819844025 853587855 862433325 874198325 885431547 904170839 919611225 944134191 1021651785 1043274045 1054085175 1089385605 1106502775 1123969275 1195022997 1207406655 1232960235 1287455715 1422646425 1460583663 1475719245 1573556985 1702752975 1726144329 1738790075 1815642675 1877893281 1897353315 1991704995 2012344425 2023144695 2054933725 2145759525 2219328423 2434306105 2459532075 2560763565 2622594975 2656294641 2712512517 2832402573 2876907215 3129822135 3162255525 3319508325 3371907825 3585068991 3698880705 4267939275 4381750989 4427157735 4520854195 4720670955 5108258925 5178432987 5216370225 5446928025 5633679843 5975114985 6037033275 6164801175 6329195873 6437278575 6657985269 7302918315 7378596225 7867784925 8137537551 8630721645 9389466405 9486766575 9958524975 10115723475 11096642115 12171530525 12803817825 13145252967 13281473205 13562562585 14162012865 14384536075 15535298961 15649110675 17925344955 18494403525 18987587619 21908754945 22135788675 22604270975 23603354775 24412612653 25892164935 28168399215 29875574925 31645979365 33289926345 36514591575 39435758901 40687687755 43153608225 46605896883 46947332025 55483210575 56962762857 65726264835 66407366025 67812812925 70810064325 73237837959 77676494805 89626724775 94937938095 109543774725 122063063265 129460824675 140841996075 158229896825 166449631725 170888288571 197178794505 203438438775 233029484415 284813814285 328631324175 366189189795 388382474025 474689690475 512664865713 610315316325 854441442855 985893972525 1165147422075 1424069071425 1830945948975 2563324328565 4272207214275 12816621642825
• Sum of all divisors σ(n): 32218937106048
• Sum of proper divisors (its aliquot sum) s(n): 19402315463223
• 12816621642825 is an abundant number, because the sum of its proper divisors (19402315463223) is greater than itself. Its abundance is 6585693820398

Bases of 12816621642825

• Binary: 10111010100000011010001011100010010001001001₂
• Hexadecimal: 0xBA81A2E2449
• Base-36: 4JJVHLZK9

Squares and roots of 12816621642825

• 12816621642825 squared (12816621642825²) is 164265790335330201873980625
• 12816621642825 cubed (12816621642825³) is 2105332483587546779580936451609720265625
• The square root of 12816621642825 is 3580030.9555679823
• The cube root of 12816621642825 is 23402.2629382027

Scales and comparisons

• 12,816,621,642,825 seconds is equal to 407,528 years, 48 weeks, 6 hours, 33 minutes, 45 seconds.
• To count from 1 to 12,816,621,642,825 would take you about one million, eighteen thousand, eight hundred twenty-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 12816621642825 cubic inches would be around 1950.2 feet tall.

Recreational maths with 12816621642825

• 12816621642825 backwards is 52824612661821
• The number of decimal digits it has is: 14
• The sum of 12816621642825's digits is 54
• More coming soon!