18531991666832

Names of 18531991666832

• Cardinal: 18531991666832 can be written as Eighteen trillion, five hundred thirty-one billion, nine hundred ninety-one million, six hundred sixty-six thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.8531991666832 × 10¹³

Factors of 18531991666832

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5299

Divisors of 18531991666832

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 41 49 56 58 82 98 112 116 164 196 203 232 287 328 343 392 406 464 574 617 656 686 784 812 1148 1189 1234 1372 1421 1624 2009 2296 2378 2468 2744 2842 3248 4018 4319 4592 4603 4756 4936 5488 5684 8036 8323 8638 9206 9512 9872 9947 11368 14063 16072 16646 17276 17893 18412 19024 19894 22736 25297 28126 30233 32144 32221 33292 34552 35786 36824 39788 50594 56252 58261 60466 64442 66584 69104 71572 73648 79576 101188 112504 116522 120932 125251 128884 133168 133487 143144 159152 177079 188723 202376 211631 225008 225547 233044 241864 250502 257768 266974 286288 354158 377446 404752 407827 423262 451094 466088 483728 501004 515536 533948 708316 733613 754892 815654 846524 876757 902188 932176 934409 1002008 1067896 1239553 1321061 1416632 1467226 1509784 1578829 1631308 1693048 1753514 1804376 1868818 2004016 2135792 2479106 2642122 2833264 2840051 2934452 3019568 3157658 3262616 3386096 3507028 3608752 3737636 4958212 5135291 5284244 5472967 5680102 5868904 6137299 6315316 6525232 6540863 7014056 7475272 8676871 9247427 9916424 10270582 10568488 10945934 11360204 11737808 12274598 12630632 13081726 14028112 14950544 17353742 18494854 19832848 19880357 20541164 21136976 21891868 22720408 24549196 25261264 26163452 34707484 35947037 36989708 38310769 39760714 41082328 43783736 45440816 45786041 49098392 52326904 64731989 69414968 71894074 73979416 76621538 79521428 82164656 82361479 87567472 91572082 98196784 104653808 116442091 129463978 138829936 139162499 143788148 147958832 153243076 159042856 164722958 183144164 232884182 251629259 258927956 268175383 278324998 287576296 306486152 318085712 329445916 366288328 465768364 503258518 517855912 536350766 556649996 575152592 576530353 612972304 658891832 732576656 815094637 931536728 974137493 1006517036 1035711824 1072701532 1113299992 1153060706 1317783664 1630189274 1863073456 1877227681 1948274986 2013034072 2145403064 2226599984 2306121412 3260378548 3376820639 3754455362 3896549972 4026068144 4035712471 4290806128 4612242824 5705662459 6520757096 6753641278 7508910724 7793099944 8071424942 9224485648 11411324918 13041514192 13507282556 15017821448 15586199888 16142849884 22822649836 23637744473 27014565112 28249987297 30035642896 32285699768 39939637213 45645299672 47275488946 54029130224 56499974594 64571399536 79879274426 91290599344 94550977892 112999949188 159758548852 165464211311 189101955784 225999898376 319517097704 330928422622 378203911568 451999796752 639034195408 661856845244 1158249479177 1323713690488 2316498958354 2647427380976 4632997916708 9265995833416 18531991666832
• Sum of all divisors σ(n): 44454529728000
• Sum of proper divisors (its aliquot sum) s(n): 25922538061168
• 18531991666832 is an abundant number, because the sum of its proper divisors (25922538061168) is greater than itself. Its abundance is 7390546394336

Bases of 18531991666832

• Binary: 100001101101011010000110001111100000010010000₂
• Hexadecimal: 0x10DAD0C7C090
• Base-36: 6KHH9CU4W

Squares and roots of 18531991666832

• 18531991666832 squared (18531991666832²) is 343434715139530689688916224
• 18531991666832 cubed (18531991666832³) is 6364529279066604451462317129561367482368
• The square root of 18531991666832 is 4304879.9828603817
• The cube root of 18531991666832 is 26463.0988310081

Scales and comparisons

• 18,531,991,666,832 seconds is equal to 589,260 years, 4 days, 7 hours, 32 seconds.
• To count from 1 to 18,531,991,666,832 would take you about one million, four hundred seventy-three thousand, one hundred fifty 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 18531991666832 cubic inches would be around 2205.3 feet tall.

Recreational maths with 18531991666832

• 18531991666832 backwards is 23866619913581
• The number of decimal digits it has is: 14
• The sum of 18531991666832's digits is 68
• More coming soon!