138946604482791

Names of 138946604482791

• Cardinal: 138946604482791 can be written as One hundred thirty-eight trillion, nine hundred forty-six billion, six hundred four million, four hundred eighty-two thousand, seven hundred ninety-one.

Scientific notation

• Scientific notation: 1.38946604482791 × 10¹⁴

Factors of 138946604482791

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 929

Divisors of 138946604482791

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 41 63 123 127 287 369 381 751 861 889 1143 2253 2583 2667 5207 5257 6759 8001 15621 15771 30791 36449 46863 47313 92373 95377 109347 215537 277119 286131 328041 564001 646611 667639 858393 1692003 1939833 2002917 3910457 3948007 5076009 6008751 11731371 11844021 23124041 27373199 35194113 35532063 69372123 71628127 82119597 161868287 208116369 214884381 246358791 423564751 485604861 501396889 644653143 1270694253 1456814583 1504190667 2936753207 2964953257 3812082759 4512572001 8810259621 8894859771 17366154791 20557272449 26430778863 26684579313 52098464373 53792723377 61671817347 121563083537 156295393119 161378170131 185015452041 364689250611 376549063639 484134510393 1094067751833 1129647190917 2205501658457 3388941572751 6616504975371 15438511609199 19849514926113 46315534827597 138946604482791
• Sum of all divisors σ(n): 237132502204416
• Sum of proper divisors (its aliquot sum) s(n): 98185897721625
• 138946604482791 is a deficient number, because the sum of its proper divisors (98185897721625) is less than itself. Its deficiency is 40760706761166

Bases of 138946604482791

• Binary: 11111100101111100000111000000001100000011100111₂
• Hexadecimal: 0x7E5F0700C0E7
• Base-36: 1D936STAZR

Squares and roots of 138946604482791

• 138946604482791 squared (138946604482791²) is 19306158897297156016615149681
• 138946604482791 cubed (138946604482791³) is 2682525224384664367551833873544278053639671
• The square root of 138946604482791 is 11787561.4307112309
• The cube root of 138946604482791 is 51794.3808699275

Scales and comparisons

• 138,946,604,482,791 seconds is equal to 4,418,072 years, 12 weeks, 14 hours, 59 minutes, 51 seconds.
• To count from 1 to 138,946,604,482,791 would take you about eleven million, forty-five thousand, one hundred eighty 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 138946604482791 cubic inches would be around 4316.2 feet tall.

Recreational maths with 138946604482791

• 138946604482791 backwards is 197284406649831
• The number of decimal digits it has is: 15
• The sum of 138946604482791's digits is 72
• More coming soon!