138666909455505

Names of 138666909455505

• Cardinal: 138666909455505 can be written as One hundred thirty-eight trillion, six hundred sixty-six billion, nine hundred nine million, four hundred fifty-five thousand, five hundred five.

Scientific notation

• Scientific notation: 1.38666909455505 × 10¹⁴

Factors of 138666909455505

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 233210

Divisors of 138666909455505

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 15 19 27 45 57 95 135 171 281 285 513 829 843 855 1405 2487 2529 2565 4145 4215 5339 7461 7587 12435 12645 15751 16017 22383 26695 37305 37935 47253 48051 78755 80085 111915 141759 144153 232073 232949 236265 240255 425277 696219 698847 708795 720765 1160365 1164745 2088657 2096541 2126385 3481095 3494235 4409387 4426031 6265971 6289623 10443285 10482705 13228161 13278093 22046935 22130155 31329855 31448115 39684483 39834279 65212513 66140805 66390465 119053449 119502837 192388517 195637539 198422415 199171395 326062565 577165551 586912617 595267245 597514185 961942585 978187695 1239037747 1731496653 1760737851 2885827755 2934563085 3655381823 3717113241 5194489959 6195188735 8657483265 8803689255 10966145469 11151339723 18276909115 18585566205 25972449795 32898436407 33454019169 54061173277 54830727345 55756698615 98695309221 162183519831 164492182035 167270095845 270305866385 486550559493 493476546105 810917599155 1027162292263 1459651678479 2432752797465 3081486876789 5135811461315 7298258392395 9244460630367 15407434383945 27733381891101 46222303151835 138666909455505
• Sum of all divisors σ(n): 260732354112000
• Sum of proper divisors (its aliquot sum) s(n): 122065444656495
• 138666909455505 is a deficient number, because the sum of its proper divisors (122065444656495) is less than itself. Its deficiency is 16601464799010

Bases of 138666909455505

• Binary: 11111100001110111100111111000010101010010010001₂
• Hexadecimal: 0x7E1DE7E15491
• Base-36: 1D5IP5M6Q9

Squares and roots of 138666909455505

• 138666909455505 squared (138666909455505²) is 19228511777941221975574805025
• 138666909455505 cubed (138666909455505³) is 2666358301675886892446948027078619287912625
• The square root of 138666909455505 is 11775691.4640077505
• The cube root of 138666909455505 is 51759.6040526433

Scales and comparisons

• 138,666,909,455,505 seconds is equal to 4,409,178 years, 41 weeks, 2 days, 15 hours, 51 minutes, 45 seconds.
• To count from 1 to 138,666,909,455,505 would take you about eleven million, twenty-two thousand, nine hundred forty-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 138666909455505 cubic inches would be around 4313.3 feet tall.

Recreational maths with 138666909455505

• 138666909455505 backwards is 505554909666831
• The number of decimal digits it has is: 15
• The sum of 138666909455505's digits is 72
• More coming soon!