81684065232

Names of 81684065232

• Cardinal: 81684065232 can be written as Eighty-one billion, six hundred eighty-four million, sixty-five thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 8.1684065232 × 10¹⁰

Factors of 81684065232

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 283

Divisors of 81684065232

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 19 21 22 24 28 33 36 38 42 43 44 48 56 57 63 66 71 72 76 77 84 86 88 99 112 114 126 127 129 132 133 142 144 152 154 168 171 172 176 198 209 213 228 231 252 254 258 264 266 284 301 304 308 336 342 344 381 387 396 399 418 426 456 462 473 497 504 508 516 528 532 568 602 616 627 639 684 688 693 762 774 781 792 798 817 836 852 889 903 912 924 946 994 1008 1016 1032 1064 1136 1143 1197 1204 1232 1254 1278 1349 1368 1386 1397 1419 1463 1491 1524 1548 1562 1584 1596 1634 1672 1704 1778 1806 1848 1881 1892 1988 2032 2064 2128 2286 2343 2394 2408 2413 2451 2508 2556 2667 2698 2709 2736 2772 2794 2838 2926 2982 3048 3053 3096 3124 3192 3268 3311 3344 3408 3556 3612 3696 3762 3784 3976 4047 4191 4257 4389 4473 4572 4686 4788 4816 4826 4902 5016 5112 5334 5396 5418 5461 5467 5544 5588 5676 5719 5852 5964 6096 6106 6192 6248 6384 6536 6622 7029 7112 7224 7239 7353 7524 7568 7952 8001 8094 8382 8514 8778 8946 8987 9017 9144 9159 9372 9443 9576 9652 9779 9804 9933 10032 10224 10668 10792 10836 10922 10934 11088 11176 11352 11438 11704 11928 12141 12212 12496 12573 13072 13167 13244 14058 14224 14448 14478 14706 14839 15048 16002 16188 16383 16401 16764 16891 17028 17157 17556 17892 17974 18034 18288 18318 18744 18886 19152 19304 19558 19608 19866 21336 21371 21584 21672 21717 21844 21868 22352 22704 22876 23408 23856 24282 24424 25146 26334 26488 26543 26961 27051 27477 28116 28329 28956 29337 29412 29678 29799 30096 32004 32376 32766 32802 33528 33583 33782 34056 34314 35112 35784 35948 36068 36636 37488 37772 38227 38608 39116 39216 39732 42672 42742 43344 43434 43688 43736 44517 45752 48564 48848 49149 49203 50292 50673 51471 52668 52976 53086 53922 54102 54954 56232 56658 57912 58007 58674 58824 59356 59598 60071 62909 63119 64008 64113 64752 65532 65604 67056 67166 67564 68112 68628 70224 71568 71896 72136 73272 75544 76454 78232 79464 79629 80883 81153 84987 85484 86868 87376 87472 88011 89034 91504 97128 98298 98406 99187 100584 100749 101346 102942 103759 103873 105336 106172 107844 108204 109908 112464 113316 114681 115824 116014 117348 117648 118712 119196 120142 125818 126238 128016 128226 131064 131208 133551 134332 135128 137256 143792 144272 146544 151088 152019 152908 156464 158928 159258 161766 162306 169974 170968 171323 173736 174021 176022 178068 180213 185801 188727 189357 192339 194256 196596 196812 198374 201168 201498 202692 205884 207518 207746 210672 212344 215688 216408 219816 226632 229362 232028 234696 235081 237424 238392 238887 240284 251636 252476 256452 262128 262416 267102 268664 270256 274512 297561 302247 304038 305816 311277 311619 318516 323532 324612 339948 341936 342646 344043 347472 348042 352044 356136 360426 371602 377454 378714 384678 387731 393192 393624 396748 402996 405384 406049 411768 415036 415492 420497 424688 431376 432816 439632 453264 458724 464056 469392 470162 476784 477774 480568 503272 504952 512904 513969 522063 534204 537328 540639 557403 566181 568071 595122 604494 608076 611632 622554 623238 637032 638077 647064 649224 679896 685292 688086 694309 696084 704088 705243 712272 720852 726313 743204 754908 757428 769356 775462 786384 787248 793496 805992 810768 812098 823536 830072 830984 840994 892683 917448 928112 933831 934857 940324 955548 961136 1006544 1009904 1025808 1027938 1044126 1068408 1081278 1114806 1132362 1136142 1141349 1163193 1190244 1199261 1208988 1216152 1218147 1245108 1246476 1261491 1274064 1276154 1294128 1298448 1359792 1370584 1376172 1388618 1392168 1408176 1410486 1441704 1452626 1486408 1509816 1514856 1538712 1541907 1550924 1586992 1611984 1624196 1660144 1661968 1672209 1681988 1785366 1834896 1867662 1869714 1880648 1884553 1911096 1914231 2055876 2082927 2088252 2115729 2136816 2162556 2178939 2229612 2264724 2272284 2282698 2326386 2380488 2398522 2417976 2432304 2436294 2490216 2492952 2522982 2552308 2714117 2741168 2752344 2777236 2784336 2820972 2883408 2905252 2972816 3019632 3029712 3077424 3083814 3101848 3248392 3344418 3363976 3424047 3489579 3570732 3597783 3654441 3735324 3739428 3761296 3769106 3784473 3822192 3828462 4111752 4165854 4176504 4231458 4265041 4325112 4357878 4459224 4466539 4529448 4544568 4565396 4652772 4760976 4797044 4835952 4872588 4980432 4985904 5045964 5104616 5428234 5504688 5554472 5641944 5653659 5742693 5810504 6167628 6203696 6248781 6496784 6536817 6688836 6727952 6848094 6979158 7141464 7195566 7308882 7366889 7470648 7478856 7538212 7568946 7656924 7989443 8142351 8223504 8331708 8353008 8462916 8530082 8650224 8715756 8918448 8933078 9058896 9089136 9130792 9305544 9594088 9745176 10091928 10209232 10272141 10793349 10856468 11108944 11283888 11307318 11485386 11621008 12335256 12497562 12795123 13073634 13191871 13377672 13399617 13696188 13958316 14282928 14391132 14617764 14733778 14941296 14957712 15076424 15137892 15313848 15978886 16284702 16663416 16925832 16960977 17060164 17431512 17866156 18261584 18611088 19188176 19490352 20183856 20544282 21586698 21712936 22100667 22614636 22970772 23968329 24427053 24670512 24995124 25590246 26147268 26383742 26755344 26799234 27392376 27916632 28782264 29235528 29467556 29855287 30152848 30275784 30627696 31957772 32569404 33326832 33851664 33921954 34120328 34863024 35732312 38385369 39575613 40198851 41088564 43173396 43425872 44201334 45229272 45941544 47936658 48854106 49990248 51180492 51568223 52294536 52767484 53598468 54784752 55833264 57564528 58471056 58935112 59710574 60551568 63915544 65138808 66302001 67843908 68240656 71464624 71904987 76770738 79151226 80397702 81035779 82177128 86346792 88402668 89565861 90458544 91883088 95873316 97708212 99980496 102360984 103136446 104589072 105534968 107196936 117870224 118726839 119421148 127831088 130277616 132604002 135687816 143809974 153541476 154704669 158302452 160795404 162071558 164354256 172693584 176805336 179131722 191746632 195416424 204721968 206272892 211069936 214393872 237453678 238842296 243107337 265208004 268697583 271375632 287619948 307082952 309409338 316604904 321590808 324143116 353610672 358263444 383493264 390832848 412545784 464114007 474907356 477684592 486214674 530416008 537395166 567250453 575239896 614165904 618818676 633209808 643181616 648286232 716526888 729322011 825091568 928228014 949814712 972429348 1060832016 1074790332 1134500906 1150479792 1237637352 1296572464 1433053776 1458644022 1701751359 1856456028 1899629424 1944858696 2149580664 2269001812 2475274704 2917288044 3403502718 3712912056 3889717392 4299161328 4538003624 5105254077 5834576088 6807005436 7425824112 9076007248 10210508154 11669152176 13614010872 20421016308 27228021744 40842032616 81684065232
• Sum of all divisors σ(n): 313762775040
• Sum of proper divisors (its aliquot sum) s(n): 232078709808
• 81684065232 is an abundant number, because the sum of its proper divisors (232078709808) is greater than itself. Its abundance is 150394644576

Bases of 81684065232

• Binary: 1001100000100101111111110101111010000₂
• Hexadecimal: 0x1304BFEBD0
• Base-36: 11IWL040

Squares and roots of 81684065232

• 81684065232 squared (81684065232²) is 6672286512825631213824
• 81684065232 cubed (81684065232³) is 545019486760242664711574956167168
• The square root of 81684065232 is 285804.2428516413
• The cube root of 81684065232 is 4338.8947406001

Scales and comparisons

• 81,684,065,232 seconds is equal to 2,597 years, 15 weeks, 4 days, 10 hours, 7 minutes, 12 seconds.
• To count from 1 to 81,684,065,232 would take you about five thousand, one hundred ninety-four 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 81684065232 cubic inches would be around 361.6 feet tall.

Recreational maths with 81684065232

• 81684065232 backwards is 23256048618
• The number of decimal digits it has is: 11
• The sum of 81684065232's digits is 45
• More coming soon!