81342044784

Names of 81342044784

• Cardinal: 81342044784 can be written as Eighty-one billion, three hundred forty-two million, forty-four thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 8.1342044784 × 10¹⁰

Factors of 81342044784

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 126

Divisors of 81342044784

• Number of divisors d(n): 1080
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 16 18 21 22 24 26 28 29 33 36 39 42 44 48 52 56 58 61 63 66 72 77 78 84 87 88 91 99 104 112 116 117 121 122 126 132 143 144 154 156 168 174 176 182 183 198 203 208 231 232 234 242 244 252 261 264 273 286 308 312 319 336 348 363 364 366 377 396 406 427 429 462 464 468 484 488 504 522 528 546 549 572 609 616 624 638 671 693 696 726 728 732 754 792 793 812 819 841 847 854 858 924 936 957 968 976 1001 1008 1044 1089 1092 1098 1131 1144 1218 1232 1276 1281 1287 1342 1386 1392 1452 1456 1464 1508 1573 1584 1586 1624 1638 1682 1694 1708 1716 1769 1827 1848 1872 1914 1936 2002 2013 2088 2178 2184 2196 2233 2262 2288 2379 2436 2523 2541 2552 2562 2574 2639 2684 2772 2871 2904 2928 3003 3016 3146 3172 3248 3276 3364 3388 3393 3416 3432 3509 3538 3654 3696 3828 3843 4004 4026 4147 4176 4356 4368 4392 4466 4524 4697 4719 4758 4872 5046 5082 5104 5124 5148 5278 5307 5368 5544 5551 5742 5808 5887 6006 6032 6039 6292 6344 6552 6699 6728 6776 6786 6832 6864 7018 7076 7137 7308 7381 7569 7623 7656 7686 7917 8008 8052 8294 8712 8723 8784 8932 9009 9048 9251 9394 9438 9516 9744 10092 10164 10248 10296 10527 10556 10614 10736 10933 11011 11088 11102 11484 11774 12012 12078 12383 12441 12584 12688 13104 13398 13456 13552 13572 14036 14091 14152 14157 14274 14616 14762 15138 15246 15312 15372 15834 15921 16016 16104 16588 16653 17424 17446 17661 17864 18018 18096 18502 18788 18876 19032 19459 20097 20184 20328 20496 20592 21054 21112 21228 21866 22022 22143 22204 22968 22997 23548 23751 24024 24156 24563 24766 24882 25168 26169 26796 27144 27753 28072 28182 28304 28314 28548 29029 29232 29524 30276 30492 30744 31581 31668 31842 32208 32799 33033 33176 33306 34892 35322 35728 36036 37004 37149 37323 37576 37752 38064 38918 40194 40368 40656 42108 42224 42273 42456 43732 44044 44286 44408 45617 45936 45994 47096 47502 48048 48312 49126 49532 49764 49959 51301 51667 52338 52983 53592 54288 55506 56144 56364 56628 57096 58058 58377 59048 60552 60984 61061 61488 63162 63336 63684 64757 65598 66066 66352 66429 66612 68991 69784 70644 72072 73689 74008 74298 74646 75152 75504 76531 77836 78507 80388 83259 84216 84546 84912 87087 87464 88088 88572 88816 91234 91988 94192 95004 95953 96624 98252 98397 99064 99099 99528 99918 101761 102602 103334 104676 105966 107184 111012 111447 112728 113256 114192 116116 116754 118096 120263 121104 121968 122122 126324 126672 127368 129514 131196 132132 132858 133224 136213 136851 137982 139568 141288 144144 147378 148016 148596 149292 153062 153903 155001 155672 157014 160776 160979 166518 168432 169092 174174 174928 175131 176176 177144 182468 183183 183976 190008 191906 194271 196504 196794 198128 198198 199056 199836 203522 205204 206668 206973 209352 211932 214049 221067 222024 222894 225456 226512 229593 232232 233508 240526 244244 252648 252967 254736 259028 261261 262392 264264 265716 266448 272426 273702 275964 282576 287859 294756 297192 298584 305283 306124 307806 310002 311344 314028 319319 321552 321958 333036 338184 348348 350262 354288 359107 360789 364936 366366 367952 380016 383812 388542 393008 393588 396396 399672 407044 408639 410408 410553 413336 413946 418704 423864 428098 442134 444048 445788 459186 461709 464464 465003 467016 481052 482937 488488 505296 505934 518056 522522 524784 528528 531432 544852 547404 549549 551928 564311 575718 582813 589512 594384 597168 610566 612248 615612 620004 628056 638638 642147 643916 666072 666913 671671 676368 688779 696696 700524 712327 718214 721578 729872 732732 758901 767624 777084 787176 792792 799344 814088 817278 820816 821106 826672 827892 841841 847728 856196 863577 884268 891576 915849 918372 923418 930006 934032 957957 962104 965874 976976 1011868 1036112 1045044 1062864 1077321 1082367 1089704 1094808 1099098 1103856 1128622 1151436 1165626 1179024 1221132 1224496 1225917 1231224 1240008 1256112 1277276 1284294 1287832 1322893 1332144 1333826 1343342 1377558 1393392 1401048 1424654 1436428 1443156 1448811 1465464 1498343 1517802 1535248 1554168 1574352 1585584 1628176 1634556 1642212 1655784 1683682 1692933 1712392 1727154 1768536 1770769 1783152 1831698 1836744 1846836 1860012 1915914 1924208 1926441 1931748 2000739 2015013 2023736 2090088 2136981 2154642 2164734 2179408 2189616 2198196 2257244 2276703 2302872 2331252 2442264 2451834 2462448 2480016 2525523 2554552 2568588 2575664 2645786 2667652 2686684 2755116 2782637 2802096 2849308 2872856 2873871 2886312 2897622 2930928 2996686 3035604 3108336 3231963 3269112 3284424 3311568 3367364 3385866 3424784 3454308 3537072 3541538 3663396 3673488 3693672 3720024 3831828 3852882 3863496 3950177 3968679 4001478 4030026 4047472 4180176 4273962 4309284 4329468 4396392 4495029 4514488 4553406 4605744 4662504 4668391 4884528 4903668 5051046 5078799 5109104 5137176 5291572 5312307 5335304 5373368 5510232 5565274 5698616 5745712 5747742 5772624 5795244 5993372 6002217 6045039 6071208 6207421 6410943 6463926 6538224 6568848 6734728 6771732 6908616 7083076 7326792 7336043 7387344 7440048 7576569 7663656 7705764 7726992 7900354 7937358 8002956 8060052 8347911 8547924 8618568 8658936 8792784 8990058 9028976 9106812 9260251 9325008 9336782 9807336 10102092 10157598 10274352 10583144 10624614 10670608 10746736 11020464 11130548 11397232 11495484 11590488 11850531 11906037 11986744 12004434 12090078 12142416 12414842 12821886 12927852 13469456 13485087 13543464 13817232 14005173 14166152 14653584 14672086 15153138 15327312 15411528 15800708 15874716 15936921 16005912 16120104 16695822 17095848 17237136 17317872 17980116 18213624 18520502 18622263 18673564 19478459 19614672 20204184 20315196 21166288 21249228 22008129 22261096 22990968 23180976 23701062 23812074 23973488 24008868 24180156 24829684 25043733 25643772 25855704 26970174 27086928 27780753 28010346 28332304 29344172 30306276 30823056 31601416 31749432 31873842 32011824 32240208 33391644 34191696 35551593 35960232 36427248 37041004 37244526 37347128 38956918 40408368 40630392 42015519 42498456 43451947 44016258 44522192 45981936 47402124 47624148 48017736 48360312 49659368 50087466 51287544 51352301 51711408 53940348 55561506 55866789 56020692 58435377 58688344 60612552 63202832 63498864 63747684 66024387 66783288 71103186 71920464 74082008 74489052 74694256 77913836 80696473 81260784 83342259 84031038 84996912 86903894 88032516 94804248 95248296 96035472 96720624 99318736 100174932 102575088 102704602 107880696 111123012 111733578 112041384 116870754 117376688 121225104 127495368 130355841 132048774 133566576 142206372 148164016 148978104 154056903 155827672 161392946 166684518 168062076 173807788 175306131 176065032 189608496 190496592 200349864 205409204 215761392 222246024 223467156 224082768 233741508 242089419 254990736 260711682 264097548 284412744 297956208 308113806 311655344 322785892 333369036 336124152 347615576 350612262 352130064 391067523 400699728 410818408 444492048 446934312 462170709 467483016 484178838 521423364 528195096 564875311 568825488 616227612 645571784 666738072 672248304 695231152 701224524 726268257 782135046 821636816 893868624 924341418 934966032 968357676 1042846728 1056390192 1129750622 1232455224 1291143568 1333476144 1402449048 1452536514 1564270092 1694625933 1848682836 1936715352 2085693456 2259501244 2464910448 2804898096 2905073028 3128540184 3389251866 3697365672 3873430704 4519002488 5083877799 5810146056 6257080368 6778503732 7394731344 9038004976 10167755598 11620292112 13557007464 20335511196 27114014928 40671022392 81342044784
• Sum of all divisors σ(n): 324178758176
• Sum of proper divisors (its aliquot sum) s(n): 242836713392
• 81342044784 is an abundant number, because the sum of its proper divisors (242836713392) is greater than itself. Its abundance is 161494668608

Bases of 81342044784

• Binary: 1001011110000010111010001101001110000₂
• Hexadecimal: 0x12F05D1A70
• Base-36: 11D8YBG0

Squares and roots of 81342044784

• 81342044784 squared (81342044784²) is 6616528249642261606656
• 81342044784 cubed (81342044784³) is 538201937197001975587656144482304
• The square root of 81342044784 is 285205.2678054877
• The cube root of 81342044784 is 4332.8304539171

Scales and comparisons

• 81,342,044,784 seconds is equal to 2,586 years, 22 weeks, 20 hours, 26 minutes, 24 seconds.
• To count from 1 to 81,342,044,784 would take you about five thousand, one hundred seventy-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 81342044784 cubic inches would be around 361.1 feet tall.

Recreational maths with 81342044784

• 81342044784 backwards is 48744024318
• The number of decimal digits it has is: 11
• The sum of 81342044784's digits is 45
• More coming soon!