18168811259382

Names of 18168811259382

• Cardinal: 18168811259382 can be written as Eighteen trillion, one hundred sixty-eight billion, eight hundred eleven million, two hundred fifty-nine thousand, three hundred eighty-two.

Scientific notation

• Scientific notation: 1.8168811259382 × 10¹³

Factors of 18168811259382

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1764

Divisors of 18168811259382

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 38 42 49 57 63 98 114 126 133 147 171 266 294 342 361 399 441 722 798 882 931 1083 1197 1733 1862 2166 2394 2527 2793 3249 3466 5054 5199 5586 6498 6859 7581 8379 10398 12131 13718 15162 15597 16758 17689 20577 22743 24262 31194 32927 35378 36393 41154 45486 48013 53067 61731 65854 72786 84917 96026 98781 106134 109179 123462 144039 159201 169834 197562 218358 230489 254751 288078 296343 318402 336091 432117 460978 509502 592686 625613 672182 691467 764253 864234 1008273 1251226 1382934 1528506 1613423 1876839 2016546 2074401 3003289 3024819 3226846 3753678 4148802 4379291 4840269 5630517 6006578 6049638 8758582 9009867 9680538 11261034 11886647 13137873 14520807 18019734 21023023 23773294 26275746 27029601 29041614 30655037 35659941 39413619 42046046 54059202 57062491 61310074 63069069 71319882 78827238 83206529 91965111 106979823 114124982 126138138 147161161 166413058 171187473 183930222 189207207 213959646 249619587 275895333 294322322 342374946 378414414 399437437 441483483 499239174 513562419 551790666 582445703 748858761 798874874 882966966 1027124838 1084187329 1164891406 1198312311 1324450449 1497717522 1747337109 2168374658 2396624622 2648900898 2796062059 3252561987 3494674218 3594936933 5242011327 5592124118 6505123974 7189873866 7589311303 8388186177 9757685961 10484022654 15178622606 16776372354 19515371922 20599559251 22767933909 25164558531 41199118502 45535867818 50329117062 53125179121 61798677753 68303801727 106250358242 123597355506 136607603454 144196914757 159375537363 185396033259 288393829514 318751074726 370792066518 432590744271 478126612089 865181488542 956253224178 1009378403299 1297772232813 2018756806598 2595544465626 3028135209897 6056270419794 9084405629691 18168811259382
• Sum of all divisors σ(n): 48364402773960
• Sum of proper divisors (its aliquot sum) s(n): 30195591514578
• 18168811259382 is an abundant number, because the sum of its proper divisors (30195591514578) is greater than itself. Its abundance is 12026780255196

Bases of 18168811259382

• Binary: 100001000011001000001100010101000010111110110₂
• Hexadecimal: 0x1086418A85F6
• Base-36: 6FUMX4A9I

Squares and roots of 18168811259382

• 18168811259382 squared (18168811259382²) is 330105702579046136883021924
• 18168811259382 cubed (18168811259382³) is 5997628205804379167665899523004356690968
• The square root of 18168811259382 is 4262488.8573909493
• The cube root of 18168811259382 is 26289.0870497307

Scales and comparisons

• 18,168,811,259,382 seconds is equal to 577,711 years, 51 weeks, 6 days, 8 hours, 29 minutes, 42 seconds.
• To count from 1 to 18,168,811,259,382 would take you about one million, four hundred forty-four thousand, two hundred seventy-nine 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 18168811259382 cubic inches would be around 2190.8 feet tall.

Recreational maths with 18168811259382

• 18168811259382 backwards is 28395211886181
• 18168811259382 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18168811259382's digits is 63
• More coming soon!