81394752384

Names of 81394752384

• Cardinal: 81394752384 can be written as Eighty-one billion, three hundred ninety-four million, seven hundred fifty-two thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 8.1394752384 × 10¹⁰

Factors of 81394752384

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 529

Divisors of 81394752384

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 32 33 36 38 44 48 57 64 66 72 73 76 88 96 99 114 121 128 132 144 146 152 171 176 192 198 209 219 228 242 264 288 292 304 342 352 363 384 396 418 421 438 456 484 528 576 584 608 627 657 684 704 726 792 803 836 842 876 912 968 1056 1089 1152 1168 1216 1254 1263 1314 1368 1387 1408 1452 1584 1606 1672 1684 1752 1824 1881 1936 2112 2178 2299 2336 2409 2432 2508 2526 2628 2736 2774 2904 3168 3212 3344 3368 3504 3648 3762 3789 3872 4161 4224 4356 4598 4631 4672 4818 5016 5052 5256 5472 5548 5808 6336 6424 6688 6736 6897 7008 7227 7296 7524 7578 7744 7999 8322 8712 8833 9196 9262 9344 9636 10032 10104 10512 10944 11096 11616 12483 12672 12848 13376 13472 13794 13893 14016 14454 15048 15156 15257 15488 15998 16644 17424 17666 18392 18524 19272 20064 20208 20691 21024 21888 22192 23232 23997 24966 25696 26499 26752 26944 27588 27786 28032 28908 30096 30312 30514 30733 31996 33288 34848 35332 36784 37048 38544 40128 40416 41382 41679 42048 44384 45771 46464 47994 49932 50941 51392 52998 53888 55176 55572 57816 60192 60624 61028 61466 63992 66576 69696 70664 71991 73568 74096 77088 79497 80256 80832 82764 83358 84096 87989 88768 91542 92199 95988 99864 101882 102784 105996 110352 111144 115632 120384 121248 122056 122932 127984 133152 137313 139392 141328 143982 147136 148192 152823 154176 158994 161664 165528 166716 167827 175978 177536 183084 184398 191976 199728 203764 211992 220704 222288 231264 240768 242496 244112 245864 255968 263967 266304 274626 276597 282656 287964 294272 296384 305646 308352 317988 331056 333432 335654 338063 351956 366168 368796 383952 399456 407528 423984 441408 444576 458469 462528 484992 488224 491728 503481 511936 527934 532608 549252 553194 565312 575928 583927 592768 611292 635976 662112 666864 671308 676126 703912 732336 737592 767904 791901 798912 815056 847968 882816 889152 916938 925056 967879 976448 983456 1006962 1014189 1023872 1055868 1098504 1106388 1130624 1151856 1167854 1222584 1271952 1324224 1333728 1342616 1352252 1407824 1464672 1475184 1510443 1535808 1583802 1597824 1630112 1695936 1751781 1778304 1833876 1935758 1952896 1966912 2013924 2028378 2111736 2197008 2212776 2303712 2335708 2445168 2543904 2648448 2667456 2685232 2704504 2815648 2903637 2929344 2950368 3020886 3042567 3071616 3167604 3260224 3391872 3503562 3667752 3718693 3871516 3933824 4027848 4056756 4223472 4394016 4425552 4607424 4671416 4890336 5087808 5255343 5334912 5370464 5409008 5631296 5807274 5858688 5900736 6041772 6085134 6335208 6423197 6520448 7007124 7335504 7437386 7743032 8055696 8113512 8446944 8710911 8788032 8851104 9214848 9342832 9780672 10175616 10510686 10740928 10818016 11156079 11262592 11614548 11801472 12083544 12170268 12670416 12846394 14014248 14671008 14874772 15486064 16111392 16227024 16893888 17421822 17576064 17702208 18685664 19269591 19561344 21021372 21481856 21636032 22312158 23229096 24167088 24340536 25340832 25692788 28028496 29342016 29749544 30972128 32222784 32454048 33468237 33787776 34843644 35404416 37371328 38539182 42042744 43272064 44624316 46458192 48334176 48681072 50681664 51385576 56056992 57808773 58684032 59499088 61944256 64445568 64908096 66936474 69687288 70655167 74742656 77078364 84085488 89248632 92916384 96668352 97362144 101363328 102771152 112113984 115617546 118998176 123888512 129816192 133872948 139374576 141310334 154156728 168170976 178497264 185832768 193336704 194724288 205542304 211965501 224227968 231235092 237996352 267745896 278749152 282620668 308313456 336341952 356994528 371665536 389448576 411084608 423931002 462470184 475992704 535491792 557498304 565241336 616626912 635896503 672683904 713989056 822169216 847862004 924940368 1070983584 1114996608 1130482672 1233253824 1271793006 1427978112 1695724008 1849880736 2141967168 2260965344 2466507648 2543586012 3391448016 3699761472 4283934336 4521930688 5087172024 6782896032 7399522944 9043861376 10174344048 13565792064 20348688096 27131584128 40697376192 81394752384
• Sum of all divisors σ(n): 275365381200
• Sum of proper divisors (its aliquot sum) s(n): 193970628816
• 81394752384 is an abundant number, because the sum of its proper divisors (193970628816) is greater than itself. Its abundance is 112575876432

Bases of 81394752384

• Binary: 1001011110011100000010101101110000000₂
• Hexadecimal: 0x12F3815B80
• Base-36: 11E4C0W0

Squares and roots of 81394752384

• 81394752384 squared (81394752384²) is 6625105715652673683456
• 81394752384 cubed (81394752384³) is 539248839243372487412454317359104
• The square root of 81394752384 is 285297.6557632397
• The cube root of 81394752384 is 4333.7661069205

Scales and comparisons

• 81,394,752,384 seconds is equal to 2,588 years, 5 weeks, 1 day, 21 hours, 26 minutes, 24 seconds.
• To count from 1 to 81,394,752,384 would take you about five thousand, one hundred seventy-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 81394752384 cubic inches would be around 361.1 feet tall.

Recreational maths with 81394752384

• 81394752384 backwards is 48325749318
• The number of decimal digits it has is: 11
• The sum of 81394752384's digits is 54
• More coming soon!