18417631309

Names of 18417631309

• Cardinal: 18417631309 can be written as Eighteen billion, four hundred seventeen million, six hundred thirty-one thousand, three hundred nine.

Scientific notation

• Scientific notation: 1.8417631309 × 10¹⁰

Factors of 18417631309

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 66

Divisors of 18417631309

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 11 17 31 77 119 121 187 217 341 527 847 961 1309 1331 2057 2387 3689 3751 5797 6727 9317 10571 14399 14641 16337 22627 26257 40579 41261 63767 73997 102487 114359 116281 158389 161051 179707 248897 288827 446369 453871 701437 813967 1127357 1257949 1279091 1742279 1976777 2737867 3177097 4910059 4992581 7715807 8953637 13837439 14070001 19165069 21744547 34948067 54010649 84873877 98490007 152211829 154770011 239190017 594117139 1083390077 1674330119 2631090187 18417631309
• Sum of all divisors σ(n): 25331890752
• Sum of proper divisors (its aliquot sum) s(n): 6914259443
• 18417631309 is a deficient number, because the sum of its proper divisors (6914259443) is less than itself. Its deficiency is 11503371866

Bases of 18417631309

• Binary: 10001001001110001101100000001001101₂
• Hexadecimal: 0x449C6C04D
• Base-36: 8GLDR9P

Squares and roots of 18417631309

• 18417631309 squared (18417631309²) is 339209143034257053481
• 18417631309 cubed (18417631309³) is 6247428933046791967745753036629
• The square root of 18417631309 is 135711.5739684719
• The cube root of 18417631309 is 2640.8552148257

Scales and comparisons

• 18,417,631,309 seconds is equal to 585 years, 32 weeks, 3 days, 41 minutes, 49 seconds.
• To count from 1 to 18,417,631,309 would take you about one thousand, one hundred seventy-one 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 18417631309 cubic inches would be around 220.1 feet tall.

Recreational maths with 18417631309

• 18417631309 backwards is 90313671481
• The number of decimal digits it has is: 11
• The sum of 18417631309's digits is 43
• More coming soon!