81027805133616

Names of 81027805133616

• Cardinal: 81027805133616 can be written as Eighty-one trillion, twenty-seven billion, eight hundred five million, one hundred thirty-three thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 8.1027805133616 × 10¹³

Factors of 81027805133616

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2320

Divisors of 81027805133616

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 17 22 24 33 34 44 48 51 66 68 88 102 109 121 132 136 176 187 204 218 227 242 264 272 289 327 363 374 408 436 454 484 528 561 578 654 681 726 748 816 867 872 908 968 1122 1156 1199 1308 1362 1452 1496 1734 1744 1816 1853 1936 1951 2057 2244 2312 2398 2497 2616 2724 2904 2992 3179 3468 3597 3632 3706 3859 3902 4114 4488 4624 4796 4994 5232 5448 5559 5808 5853 6171 6358 6936 7194 7412 7491 7718 7804 8228 8976 9537 9592 9988 10896 11118 11577 11706 12342 12716 13189 13872 14388 14824 14982 15436 15608 16456 19074 19184 19976 20383 21461 22236 23154 23412 24684 24743 25432 26378 27467 28776 29648 29964 30872 31216 31501 32912 33167 34969 38148 39567 39952 40766 42449 42922 44472 46308 46824 49368 49486 50864 52756 54934 57552 59928 61149 61744 63002 64383 65603 66334 69938 74229 76296 79134 81532 82401 84898 85844 88944 92616 93648 94503 98736 98972 99501 104907 105512 109868 119856 122298 126004 127347 128766 131206 132668 139876 148458 152592 158268 163064 164802 169796 171688 185232 189006 196809 197944 199002 209814 211024 212659 219736 224213 236071 244596 252008 254694 257532 262412 265336 272173 279752 296916 316536 326128 329604 339592 343376 346511 364837 378012 393618 395888 398004 419628 420631 425318 439472 442877 448426 466939 472142 489192 504016 509388 515064 524824 530672 544346 559504 563839 593832 633072 637977 659208 672639 679184 693022 708213 721633 729674 756024 787236 796008 816519 839256 841262 850636 885754 896852 933878 944284 978384 1018776 1030128 1039533 1049648 1088692 1094511 1127678 1187664 1261893 1275954 1318416 1328631 1345278 1386044 1400817 1416426 1443266 1459348 1512048 1574472 1592016 1633038 1678512 1682524 1691517 1701272 1771508 1793704 1867756 1888568 2037552 2079066 2164899 2177384 2189022 2255356 2339249 2523786 2551908 2657262 2690556 2772088 2801634 2832852 2886532 2918696 2993903 3148944 3266076 3365048 3383034 3402544 3543016 3587408 3615203 3735512 3777136 3811621 4013207 4158132 4329798 4354768 4378044 4510712 4626941 4678498 4871647 5047572 5103816 5314524 5381112 5544176 5603268 5665704 5773064 5837392 5987806 6202229 6532152 6730096 6766068 7017747 7086032 7150727 7230406 7471024 7528909 7623242 7937963 8026414 8316264 8659596 8756088 8981709 9021424 9253882 9356996 9743294 10095144 10207632 10629048 10762224 10845609 11206536 11331408 11434863 11546128 11975612 12039621 12404458 13064304 13532136 13880823 14035494 14301454 14460812 14614941 15057818 15246484 15875926 16052828 16632528 17319192 17512176 17963418 18507764 18606687 18713992 19486588 20190288 21258096 21452181 21691218 22413072 22586727 22869726 23813889 23951224 24079242 24808916 25731739 27064272 27761646 28070988 28602908 28921624 29229882 30115636 30492968 31751852 32105656 34638384 35926836 37015528 37213374 37427984 38973176 39767233 42904362 43382436 45173454 45739452 47627778 47902448 48158484 48273593 49617832 50896351 51463478 53588117 55523292 56141976 57205816 57843248 58459764 60231272 60985936 61458451 63503704 64211312 68224519 71853672 74031056 74426748 77195217 77946352 78657997 79534466 82817999 85808724 86764872 90346908 91478904 95255556 96316968 96547186 99235664 101792702 102926956 107176234 111046584 112283952 114411632 116919528 119301699 120462544 122916902 127007408 127991453 136449038 143707344 144820779 148853496 152689053 154390434 157315994 159068932 160764351 165635998 171617448 173529744 180693816 182957808 184375353 190511112 192633936 193094372 203585404 204673557 205853912 214352468 222093168 233839056 235973991 238603398 245833804 248453997 255982906 272898076 289641558 297706992 305378106 308780868 314631988 318137864 321528702 331271996 343234896 361387632 368750706 381022224 383974359 386188744 407170808 409347114 411707824 428704936 437439563 471947982 477206796 491667608 496907994 511965812 531009523 545796152 579283116 610756212 617561736 629263976 636275728 643057404 662543992 676042961 737501412 767948718 772377488 814341616 818694228 820651081 857409872 865237967 874879126 910997989 943895964 954413592 983335216 993815988 1023931624 1062019046 1091592304 1158566232 1221512424 1235123472 1258527952 1286114808 1312318689 1325087984 1352085922 1407905983 1475002824 1535897436 1593028569 1637388456 1641302162 1730475934 1749758252 1821995978 1887791928 1908827184 1987631976 2028128883 2047863248 2124038092 2317132464 2443024848 2461953243 2572229616 2595713901 2624637378 2704171844 2732993967 2815811966 2950005648 3071794872 3186057138 3274776912 3282604324 3460951868 3499516504 3643991956 3775583856 3975263952 4056257766 4223717949 4248076184 4923906486 5191427802 5249274756 5408343688 5465987934 5631623932 5841104753 6143589744 6372114276 6565208648 6921903736 6999033008 7287983912 7436472571 8112515532 8447435898 8496152368 9027161891 9847812972 10382855604 10498549512 10816687376 10931975868 11263247864 11682209506 12744228552 13130417296 13843807472 13951068377 14575967824 14872945142 15486965813 16225031064 16894871796 17523314259 18054323782 19695625944 20765711208 20997099024 21863951736 22309417713 22526495728 23364419012 25488457104 27081485673 27902136754 29745890284 30973931626 32450062128 33789743592 35046628518 36108647564 39391251888 41531422416 41853205131 43727903472 44618835426 46460897439 46728838024 54162971346 55804273508 59491780568 61947863252 67579487184 70093257036 72217295128 83706410262 89237670852 92921794878 93457676048 99298780801 108325942692 111608547016 118983561136 123895726504 140186514072 144434590256 153461752147 167412820524 178475341704 185843589756 198597561602 216651885384 223217094032 247791453008 280373028144 297896342403 306923504294 334825641048 356950683408 371687179512 397195123204 433303770768 460385256441 595792684806 613847008588 669651282096 743374359024 794390246408 920770512882 1191585369612 1227694017176 1588780492816 1688079273617 1841541025764 2383170739224 2455388034352 3376158547234 3683082051528 4766341478448 5064237820851 6752317094468 7366164103056 10128475641702 13504634188936 20256951283404 27009268377872 40513902566808 81027805133616
• Sum of all divisors σ(n): 247867192151040
• Sum of proper divisors (its aliquot sum) s(n): 166839387017424
• 81027805133616 is an abundant number, because the sum of its proper divisors (166839387017424) is greater than itself. Its abundance is 85811581883808

Bases of 81027805133616

• Binary: 10010011011000111000001100010101011101100110000₂
• Hexadecimal: 0x49B1C18ABB30
• Base-36: SPZNR3MEO

Squares and roots of 81027805133616

• 81027805133616 squared (81027805133616²) is 6565505204771247403613235456
• 81027805133616 cubed (81027805133616³) is 531988476335946247667444531029040148688896
• The square root of 81027805133616 is 9001544.5971019885
• The cube root of 81027805133616 is 43272.4373998695

Scales and comparisons

• 81,027,805,133,616 seconds is equal to 2,576,433 years, 29 weeks, 3 days, 16 hours, 13 minutes, 36 seconds.
• To count from 1 to 81,027,805,133,616 would take you about six million, four hundred forty-one thousand and eighty-three 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 81027805133616 cubic inches would be around 3606 feet tall.

Recreational maths with 81027805133616

• 81027805133616 backwards is 61633150872018
• 81027805133616 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81027805133616's digits is 51
• More coming soon!