18041186394

Names of 18041186394

• Cardinal: 18041186394 can be written as Eighteen billion, forty-one million, one hundred eighty-six thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 1.8041186394 × 10¹⁰

Factors of 18041186394

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1124

Divisors of 18041186394

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 19 21 22 33 38 42 57 61 63 66 77 99 114 121 122 126 133 154 171 183 198 209 231 242 266 342 363 366 399 418 427 462 549 627 671 693 726 798 847 854 1021 1089 1098 1159 1197 1254 1281 1342 1386 1463 1694 1881 2013 2042 2178 2299 2318 2394 2541 2562 2926 3063 3477 3762 3843 4026 4389 4598 4697 5082 6039 6126 6897 6954 7147 7381 7623 7686 8113 8778 9189 9394 10431 11231 12078 12749 13167 13794 14091 14294 14762 15246 16093 16226 18378 19399 20691 20862 21441 22143 22462 24339 25498 26334 28182 32186 33693 38247 38798 41382 42273 42882 44286 48279 48678 51667 58197 62281 64323 66429 67386 73017 76494 78617 84546 89243 96558 101079 103334 114741 116394 123541 124562 128646 132858 135793 140239 144837 146034 155001 157234 174591 178486 186843 202158 213389 229482 235851 247082 267729 271586 280478 289674 310002 349182 370623 373686 407379 420717 426778 435967 465003 471702 535458 560529 640167 685091 707553 741246 803187 814758 841434 864787 871934 930006 981673 1111869 1121058 1183339 1222137 1262151 1280334 1307901 1370182 1415106 1493723 1606374 1729574 1920501 1963346 2055273 2223738 2347279 2366678 2444274 2524302 2594361 2615802 2945019 2987446 3550017 3841002 3923703 4110546 4481169 4694558 4795637 5188722 5890038 6165819 7041837 7100034 7536001 7783083 7847406 8283373 8835057 8962338 9591274 10650051 12331638 13016729 13443507 14083674 14386911 15072002 15566166 16430953 16566746 17670114 21125511 21300102 22608003 24850119 26033458 26887014 28773822 32861906 39050187 42251022 43160733 45216006 49292859 49700238 52752007 67824009 74550357 78100374 86321466 91117103 98585718 105504014 117150561 135648018 143184019 147878577 149100714 158256021 182234206 234301122 273351309 286368038 295757154 316512042 429552057 474768063 546702618 820053927 859104114 949536126 1002288133 1288656171 1640107854 2004576266 2577312342 3006864399 6013728798 9020593197 18041186394
• Sum of all divisors σ(n): 52587050880
• Sum of proper divisors (its aliquot sum) s(n): 34545864486
• 18041186394 is an abundant number, because the sum of its proper divisors (34545864486) is greater than itself. Its abundance is 16504678092

Bases of 18041186394

• Binary: 10000110011010101101010100001011010₂
• Hexadecimal: 0x43356A85A
• Base-36: 8AD98II

Squares and roots of 18041186394

• 18041186394 squared (18041186394²) is 325484406503050723236
• 18041186394 cubed (18041186394³) is 5872124846062003827537182850984
• The square root of 18041186394 is 134317.4835752963
• The cube root of 18041186394 is 2622.7387398747

Scales and comparisons

• 18,041,186,394 seconds is equal to 573 years, 34 weeks, 39 minutes, 54 seconds.
• To count from 1 to 18,041,186,394 would take you about one thousand, one hundred forty-seven 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 18041186394 cubic inches would be around 218.6 feet tall.

Recreational maths with 18041186394

• 18041186394 backwards is 49368114081
• The number of decimal digits it has is: 11
• The sum of 18041186394's digits is 45
• More coming soon!