138958996275

Names of 138958996275

• Cardinal: 138958996275 can be written as One hundred thirty-eight billion, nine hundred fifty-eight million, nine hundred ninety-six thousand, two hundred seventy-five.

Scientific notation

• Scientific notation: 1.38958996275 × 10¹¹

Factors of 138958996275

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 205

Divisors of 138958996275

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 5 9 11 15 25 33 45 55 59 75 99 127 165 177 225 275 295 381 495 531 635 649 825 885 1143 1397 1475 1905 1947 2475 2655 3175 3245 3481 4191 4425 5715 5841 6985 7493 9525 9735 10443 12573 13275 16129 16225 17405 20955 22479 28575 29205 31329 34925 37465 38291 48387 48675 52215 62865 67437 80645 82423 87025 104775 112395 114873 145161 146025 156645 177419 187325 191455 241935 247269 261075 314325 337185 344619 403225 412115 442087 532257 561975 574365 725805 741807 783225 887095 951611 957275 1209675 1236345 1326261 1596771 1685925 1723095 2060575 2210435 2661285 2854833 2871825 3629025 3709035 3978783 4435475 4758055 4862957 6181725 6631305 7983855 8564499 8615475 10467721 11052175 13306425 14274165 14588871 18545175 19893915 23790275 24314785 31403163 33156525 39919275 42822495 43766613 52338605 56145049 71370825 72944355 94209489 99469575 121573925 157015815 168435147 214112475 218833065 261693025 280725245 364721775 471047445 505305441 617595539 785079075 842175735 1094165325 1403626225 1852786617 2355237225 2526527205 3087977695 4210878675 5558359851 9263933085 12632636025 15439888475 27791799255 46319665425 138958996275
• Sum of all divisors σ(n): 278389354932
• Sum of proper divisors (its aliquot sum) s(n): 139430358657
• 138958996275 is an abundant number, because the sum of its proper divisors (139430358657) is greater than itself. Its abundance is 471362382

Bases of 138958996275

• Binary: 10000001011010100110100000001100110011₂
• Hexadecimal: 0x205A9A0333
• Base-36: 1RU4LJQR

Squares and roots of 138958996275

• 138958996275 squared (138958996275²) is 19309602645755463875625
• 138958996275 cubed (138958996275³) is 2683243002123263649253871438296875
• The square root of 138958996275 is 372772.0433119951
• The cube root of 138958996275 is 5179.5920564807

Scales and comparisons

• 138,958,996,275 seconds is equal to 4,418 years, 24 weeks, 1 day, 17 hours, 11 minutes, 15 seconds.
• To count from 1 to 138,958,996,275 would take you about eight thousand, eight hundred thirty-six 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 138958996275 cubic inches would be around 431.6 feet tall.

Recreational maths with 138958996275

• 138958996275 backwards is 572699859831
• The number of decimal digits it has is: 12
• The sum of 138958996275's digits is 72
• More coming soon!