18266726665989

Names of 18266726665989

• Cardinal: 18266726665989 can be written as Eighteen trillion, two hundred sixty-six billion, seven hundred twenty-six million, six hundred sixty-five thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8266726665989 × 10¹³

Factors of 18266726665989

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17936

Divisors of 18266726665989

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 19 37 53 57 111 159 171 333 477 703 1007 1961 2109 3021 3917 5883 6327 9063 11751 13907 17649 35253 37259 41721 74423 111777 125163 144929 207601 223269 264233 335331 434787 514559 622803 669807 737071 792699 1304361 1543677 1868409 2211213 2378097 2753651 3944419 4631031 6633639 7681237 8260953 9776621 11833257 14004349 23043711 24782859 27271627 29329863 35499771 42013047 54473719 69131133 81814881 87989589 126039141 145943503 163421157 245444643 437830509 490263471 518160913 1035000661 1313491527 1554482739 2015527603 2887107107 3105001983 4663448217 6046582809 8661321321 9315005949 18139748427 25983963963 38295024457 54855035033 106822962959 114885073371 164565105099 320468888877 344655220113 493695315297 961406666631 2029636296221 6088908888663 18266726665989
• Sum of all divisors σ(n): 29072328554880
• Sum of proper divisors (its aliquot sum) s(n): 10805601888891
• 18266726665989 is a deficient number, because the sum of its proper divisors (10805601888891) is less than itself. Its deficiency is 7461124777098

Bases of 18266726665989

• Binary: 100001001110100001101110000010000111100000101₂
• Hexadecimal: 0x109D0DC10F05
• Base-36: 6H3M9F9J9

Squares and roots of 18266726665989

• 18266726665989 squared (18266726665989²) is 333673303089953607569348121
• 18266726665989 cubed (18266726665989³) is 6095119023281885353755921276424431756669
• The square root of 18266726665989 is 4273959.1324659387
• The cube root of 18266726665989 is 26336.2282060547

Scales and comparisons

• 18,266,726,665,989 seconds is equal to 580,825 years, 21 weeks, 12 hours, 33 minutes, 9 seconds.
• To count from 1 to 18,266,726,665,989 would take you about one million, four hundred fifty-two thousand and sixty-three 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 18266726665989 cubic inches would be around 2194.7 feet tall.

Recreational maths with 18266726665989

• 18266726665989 backwards is 98956662766281
• The number of decimal digits it has is: 14
• The sum of 18266726665989's digits is 81
• More coming soon!