18168875829

Names of 18168875829

• Cardinal: 18168875829 can be written as Eighteen billion, one hundred sixty-eight million, eight hundred seventy-five thousand, eight hundred twenty-nine.

Scientific notation

• Scientific notation: 1.8168875829 × 10¹⁰

Factors of 18168875829

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 232

Divisors of 18168875829

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 13 23 27 39 69 81 117 169 193 207 299 351 507 529 579 621 897 1053 1521 1587 1737 1863 2197 2509 2691 3887 4439 4563 4761 5211 6591 6877 7527 8073 11661 13317 13689 14283 15633 19773 20631 22581 24219 32617 34983 39951 42849 50531 57707 59319 61893 67743 89401 97851 102097 104949 119853 151593 173121 177957 185679 203229 268203 293553 306291 314847 359559 424021 454779 519363 557037 750191 804609 880659 918873 1162213 1272063 1327261 1364337 1558089 2250573 2413827 2641977 2756619 3486639 3816189 3981783 4093011 4674267 6751719 7241481 8269857 9752483 10459917 11448567 11945349 17254393 20255157 29257449 31379751 34345701 35836047 51763179 60765471 87772347 94139253 107508141 155289537 224307109 263317041 465868611 672921327 789951123 1397605833 2018763981 6056291943 18168875829
• Sum of all divisors σ(n): 30895070360
• Sum of proper divisors (its aliquot sum) s(n): 12726194531
• 18168875829 is a deficient number, because the sum of its proper divisors (12726194531) is less than itself. Its deficiency is 5442681298

Bases of 18168875829

• Binary: 10000111010111100110000101100110101₂
• Hexadecimal: 0x43AF30B35
• Base-36: 8CHA2B9

Squares and roots of 18168875829

• 18168875829 squared (18168875829²) is 330108048889620437241
• 18168875829 cubed (18168875829³) is 5997692150428975051172416347789
• The square root of 18168875829 is 134791.9724204671
• The cube root of 18168875829 is 2628.9118192371

Scales and comparisons

• 18,168,875,829 seconds is equal to 577 years, 37 weeks, 21 hours, 57 minutes, 9 seconds.
• To count from 1 to 18,168,875,829 would take you about one thousand, one hundred fifty-five 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 18168875829 cubic inches would be around 219.1 feet tall.

Recreational maths with 18168875829

• 18168875829 backwards is 92857886181
• The number of decimal digits it has is: 11
• The sum of 18168875829's digits is 63
• More coming soon!