138841678755

Names of 138841678755

• Cardinal: 138841678755 can be written as One hundred thirty-eight billion, eight hundred forty-one million, six hundred seventy-eight thousand, seven hundred fifty-five.

Scientific notation

• Scientific notation: 1.38841678755 × 10¹¹

Factors of 138841678755

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5134

Divisors of 138841678755

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 13 15 29 39 45 65 87 117 127 145 169 195 261 377 381 435 507 585 635 845 1131 1143 1305 1521 1651 1885 1905 2535 3393 3683 4901 4953 4957 5655 5715 7605 8255 11049 14703 14859 14871 16965 18415 21463 24505 24765 24785 33147 44109 44613 47879 55245 64389 64441 73515 74295 74355 107315 143637 143753 165735 193167 193323 220545 223065 239395 321945 322205 430911 431259 579969 622427 629539 718185 718765 837733 965835 966615 1293777 1867281 1868789 1888617 2154555 2156295 2513199 2899845 3112135 3147695 4188665 5601843 5606367 5665851 6468885 7539597 8184007 9336405 9343945 9443085 12565995 16819101 18256631 24294257 24552021 28009215 28031835 28329255 37697985 40920035 54769893 72882771 73656063 84095505 91283155 106392091 121471285 122760105 164309679 218648313 237336203 273849465 319176273 364413855 368280315 531960455 712008609 821548395 957528819 1093241565 1186681015 1595881365 2136025827 3085370639 3560043045 4787644095 9256111917 10680129135 15426853195 27768335751 46280559585 138841678755
• Sum of all divisors σ(n): 271758689280
• Sum of proper divisors (its aliquot sum) s(n): 132917010525
• 138841678755 is a deficient number, because the sum of its proper divisors (132917010525) is less than itself. Its deficiency is 5924668230

Bases of 138841678755

• Binary: 10000001010011100110111110001110100011₂
• Hexadecimal: 0x20539BE3A3
• Base-36: 1RS6R0YR

Squares and roots of 138841678755

• 138841678755 squared (138841678755²) is 19277011759506618350025
• 138841678755 cubed (138841678755³) is 2676452674069775222250559196218875
• The square root of 138841678755 is 372614.6518254483
• The cube root of 138841678755 is 5178.1340053097

Scales and comparisons

• 138,841,678,755 seconds is equal to 4,414 years, 38 weeks, 1 day, 20 hours, 59 minutes, 15 seconds.
• To count from 1 to 138,841,678,755 would take you about eight thousand, eight hundred twenty-nine 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 138841678755 cubic inches would be around 431.5 feet tall.

Recreational maths with 138841678755

• 138841678755 backwards is 557876148831
• The number of decimal digits it has is: 12
• The sum of 138841678755's digits is 63
• More coming soon!