138380683077

Names of 138380683077

• Cardinal: 138380683077 can be written as One hundred thirty-eight billion, three hundred eighty million, six hundred eighty-three thousand and seventy-seven.

Scientific notation

• Scientific notation: 1.38380683077 × 10¹¹

Factors of 138380683077

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 40

Divisors of 138380683077

• Number of divisors d(n): 126
• Complete list of divisors:
  1 3 7 9 13 17 21 39 49 51 63 91 117 119 147 153 221 273 289 357 441 637 663 819 833 867 1071 1547 1911 1989 2023 2499 2601 3757 4641 4913 5733 6069 7497 10829 11271 13923 14161 14739 18207 26299 32487 33813 34391 42483 44217 63869 78897 83521 97461 103173 127449 184093 191607 236691 240737 250563 309519 447083 552279 574821 584647 722211 751689 1085773 1341249 1419857 1656837 1753941 2166633 3129581 3257319 4023747 4092529 4259571 5261823 7600411 9388743 9771957 9938999 12277587 12778713 18458141 22801233 24137569 28166229 29816997 36832761 53202877 55374423 68403699 69572993 72412707 89450991 129206987 159608631 166123269 168962983 208718979 217238121 313788397 387620961 478825893 506888949 626156937 904448909 941365191 1162862883 1182740881 1520666847 2196518779 2713346727 2824095573 3548222643 6589556337 8140040181 10644667929 15375631453 19768669011 46126894359 138380683077
• Sum of all divisors σ(n): 266053336458
• Sum of proper divisors (its aliquot sum) s(n): 127672653381
• 138380683077 is a deficient number, because the sum of its proper divisors (127672653381) is less than itself. Its deficiency is 10708029696

Bases of 138380683077

• Binary: 10000000111000001000011010011101000101₂
• Hexadecimal: 0x203821A745
• Base-36: 1RKKAAF9

Squares and roots of 138380683077

• 138380683077 squared (138380683077²) is 19149213448857114187929
• 138380683077 cubed (138380683077³) is 2649881237440122466296603167977533
• The square root of 138380683077 is 371995.5417434461
• The cube root of 138380683077 is 5172.3966689421
• Being both a perfect square and a perfect cube, 138380683077 is also a perfect sixth number.

Scales and comparisons

• 138,380,683,077 seconds is equal to 4,400 years, 4 weeks, 6 hours, 37 minutes, 57 seconds.
• To count from 1 to 138,380,683,077 would take you about eight thousand, eight hundred 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 138380683077 cubic inches would be around 431 feet tall.

Recreational maths with 138380683077

• 138380683077 backwards is 770386083831
• The number of decimal digits it has is: 12
• The sum of 138380683077's digits is 54
• More coming soon!