138517143667

Names of 138517143667

• Cardinal: 138517143667 can be written as One hundred thirty-eight billion, five hundred seventeen million, one hundred forty-three thousand, six hundred sixty-seven.

Scientific notation

• Scientific notation: 1.38517143667 × 10¹¹

Factors of 138517143667

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 182

Divisors of 138517143667

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 31 49 61 83 217 343 427 581 961 1519 1891 2573 2989 4067 5063 6727 6889 10633 13237 18011 20923 28469 35441 47089 48223 58621 79763 92659 126077 156953 213559 248087 329623 337561 410347 420229 558341 648613 882539 1098671 1494913 1736609 2362927 2872429 2941603 3908387 4865543 6620329 7690697 10464391 13027099 20107003 20591221 27358709 34058801 46342303 53834879 73250737 91189693 144138547 238411607 324396121 403840069 638327851 1668881249 2270772847 2826880483 4468294957 19788163381 138517143667
• Sum of all divisors σ(n): 171719887200
• Sum of proper divisors (its aliquot sum) s(n): 33202743533
• 138517143667 is a deficient number, because the sum of its proper divisors (33202743533) is less than itself. Its deficiency is 105314400134

Bases of 138517143667

• Binary: 10000001000000010000111110000001110011₂
• Hexadecimal: 0x204043E073
• Base-36: 1RMTJ437

Squares and roots of 138517143667

• 138517143667 squared (138517143667²) is 19186999089664318206889
• 138517143667 cubed (138517143667³) is 2657728309441630579867247442121963
• The square root of 138517143667 is 372178.9135174103
• The cube root of 138517143667 is 5174.0963195023

Scales and comparisons

• 138,517,143,667 seconds is equal to 4,404 years, 21 weeks, 4 days, 16 hours, 21 minutes, 7 seconds.
• To count from 1 to 138,517,143,667 would take you about eight thousand, eight hundred eight 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 138517143667 cubic inches would be around 431.2 feet tall.

Recreational maths with 138517143667

• 138517143667 backwards is 766341715831
• The number of decimal digits it has is: 12
• The sum of 138517143667's digits is 52
• More coming soon!