18397131672426

Names of 18397131672426

• Cardinal: 18397131672426 can be written as Eighteen trillion, three hundred ninety-seven billion, one hundred thirty-one million, six hundred seventy-two thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 1.8397131672426 × 10¹³

Factors of 18397131672426

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 408079

Divisors of 18397131672426

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 13 26 39 73 78 89 146 178 219 267 438 534 949 1157 1898 2314 2847 3471 5694 6497 6942 7921 12994 15842 19491 23763 38982 47526 84461 102973 168922 205946 253383 308919 407899 506766 578233 617838 815798 1156466 1223697 1734699 2447394 3469398 5302687 7517029 10605374 15034058 15908061 22551087 29776627 31816122 36303011 45102174 59553254 72606022 89329881 108909033 178659762 217818066 387096151 471939143 774192302 943878286 1161288453 1415817429 2322576906 2650119803 2831634858 3230967979 5300239606 6461935958 7950359409 9692903937 15900718818 19385807874 34451557439 42002583727 68903114878 84005167454 103354672317 126007751181 206709344634 235860662467 252015502362 471721324934 707581987401 1415163974802 3066188612071 6132377224142 9198565836213 18397131672426
• Sum of all divisors σ(n): 40623883540800
• Sum of proper divisors (its aliquot sum) s(n): 22226751868374
• 18397131672426 is an abundant number, because the sum of its proper divisors (22226751868374) is greater than itself. Its abundance is 3829620195948

Bases of 18397131672426

• Binary: 100001011101101101010011111111000101101101010₂
• Hexadecimal: 0x10BB6A7F8B6A
• Base-36: 6IRIX74H6

Squares and roots of 18397131672426

• 18397131672426 squared (18397131672426²) is 338454453772579871768725476
• 18397131672426 cubed (18397131672426³) is 6226591151173170641373237138966352924776
• The square root of 18397131672426 is 4289187.7637177415
• The cube root of 18397131672426 is 26398.7505494273

Scales and comparisons

• 18,397,131,672,426 seconds is equal to 584,971 years, 45 weeks, 5 days, 17 hours, 27 minutes, 6 seconds.
• To count from 1 to 18,397,131,672,426 would take you about one million, four hundred sixty-two thousand, four hundred twenty-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 18397131672426 cubic inches would be around 2199.9 feet tall.

Recreational maths with 18397131672426

• 18397131672426 backwards is 62427613179381
• The number of decimal digits it has is: 14
• The sum of 18397131672426's digits is 60
• More coming soon!