1990721694456

Names of 1990721694456

• Cardinal: 1990721694456 can be written as One trillion, nine hundred ninety billion, seven hundred twenty-one million, six hundred ninety-four thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.990721694456 × 10¹²

Factors of 1990721694456

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3234

Divisors of 1990721694456

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 19 22 24 27 33 36 38 44 54 57 66 72 76 88 99 108 109 114 132 137 152 171 198 209 216 218 228 264 274 297 327 342 396 411 418 436 456 513 548 594 627 654 684 792 822 836 872 981 1026 1096 1188 1199 1233 1254 1308 1368 1507 1644 1672 1881 1962 2052 2071 2376 2398 2466 2508 2603 2616 2943 2953 3014 3288 3597 3699 3762 3924 4104 4142 4521 4796 4932 5016 5206 5643 5886 5906 6028 6213 7194 7398 7524 7809 7848 8284 8859 9042 9592 9864 10412 10791 11286 11772 11812 12056 12426 13563 14388 14796 14933 15048 15618 16568 17718 18084 18639 20824 21582 22572 22781 23427 23544 23624 24852 26577 27126 28633 28776 29592 29866 31236 32373 32483 35436 36168 37278 40689 43164 44799 45144 45562 46854 49704 53154 54252 55917 56107 57266 59732 62472 64746 64966 68343 70281 70872 74556 79731 81378 85899 86328 89598 91124 93708 97449 106308 108504 111834 112214 114532 119464 129492 129932 134397 136686 140562 149112 159462 162756 164263 168321 171798 179196 182248 187416 194898 205029 212616 223668 224428 229064 257697 258984 259864 268794 273372 281124 283727 292347 318924 321877 325512 328526 336642 343596 358392 389796 403191 404561 410058 447336 448856 492789 504963 515394 537588 546744 562248 567454 584694 615087 617177 637848 643754 657052 673284 687192 773091 779592 806382 809122 820116 851181 877041 965631 985578 1009926 1030788 1075176 1134908 1169388 1213683 1230174 1234354 1287508 1314104 1346568 1478367 1514889 1546182 1612764 1618244 1640232 1702362 1754082 1851531 1931262 1971156 2019852 2061576 2269816 2338776 2427366 2460348 2468708 2553543 2575016 2896893 2956734 3029778 3092364 3120997 3225528 3236488 3404724 3508164 3540647 3641049 3703062 3862524 3942312 4039704 4435101 4450171 4854732 4920696 4937416 5107086 5554593 5793786 5913468 6059556 6115663 6184728 6241994 6809448 7016328 7081294 7282098 7406124 7660629 7686659 7725048 8690679 8870202 8900342 9362991 9709464 10214172 10621941 10923147 11109186 11587572 11826936 12119112 12231326 12483988 13350513 14162588 14564196 14812248 15321258 15373318 16663779 17381358 17740404 17800684 18346989 18725982 20428344 21243882 21846294 22218372 23059977 23175144 24462652 24967976 26701026 28088973 28325176 29128392 30642516 30746636 31865823 33327558 34762716 35480808 35601368 36693978 37451964 40051539 42487764 43692588 44097149 44436744 46119954 48925304 53402052 55040967 56177946 61285032 61493272 63731646 66655116 67272293 69179931 69525432 73387956 74903928 80103078 84266919 84553249 84975528 87385176 88194298 92239908 95597469 106804104 110081934 112355892 120154617 127463292 132291447 133310232 134544586 138359862 146775912 160206156 165122901 168533838 169106498 176388596 184479816 191194938 201816879 207539793 220163868 224711784 240309234 253659747 254926584 264582894 269089172 276719724 320412312 330245802 337067676 338212996 352777192 382389876 396874341 403633758 415079586 440327736 480618468 485068639 507319494 529165788 538178344 553439448 605450637 660491604 674135352 676425992 760979241 764779752 793748682 807267516 830159172 837845831 961236936 970137278 1014638988 1058331576 1190623023 1210901274 1320983208 1455205917 1521958482 1587497364 1614535032 1660318344 1675691662 1816351911 1940274556 2029277976 2282937723 2381246046 2421802548 2513537493 2910411834 3043916964 3174994728 3351383324 3632703822 3880549112 4365617751 4565875446 4762492092 4843605096 5027074986 5820823668 6087833928 6702766648 7265407644 7540612479 8731235502 9131750892 9216304141 9524984184 10054149972 11641647336 13096853253 14530815288 15081224958 17462471004 18263501784 18432608282 20108299944 22621837437 26193706506 27648912423 30162449916 34924942008 36865216564 45243674874 52387413012 55297824846 60324899832 73730433128 82946737269 90487349748 104774826024 110595649692 165893474538 180974699496 221191299384 248840211807 331786949076 497680423614 663573898152 995360847228 1990721694456
• Sum of all divisors σ(n): 6457207680000
• Sum of proper divisors (its aliquot sum) s(n): 4466485985544
• 1990721694456 is an abundant number, because the sum of its proper divisors (4466485985544) is greater than itself. Its abundance is 2475764291088

Bases of 1990721694456

• Binary: 11100111110000000010000100110101011111000₂
• Hexadecimal: 0x1CF80426AF8
• Base-36: PEIWAQ60

Squares and roots of 1990721694456

• 1990721694456 squared (1990721694456²) is 3962972864777767821135936
• 1990721694456 cubed (1990721694456³) is 7889176056453546516769081644633570816
• The square root of 1990721694456 is 1410929.3725966583
• The cube root of 1990721694456 is 12579.6970717409

Scales and comparisons

• 1,990,721,694,456 seconds is equal to 63,298 years, 41 weeks, 1 day, 8 hours, 27 minutes, 36 seconds.
• To count from 1 to 1,990,721,694,456 would take you about one hundred fifty-eight thousand, two hundred forty-six 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 1990721694456 cubic inches would be around 1048.3 feet tall.

Recreational maths with 1990721694456

• 1990721694456 backwards is 6544961270991
• The number of decimal digits it has is: 13
• The sum of 1990721694456's digits is 63
• More coming soon!