138841963996185268009

Names of 138841963996185268009

• Cardinal: 138841963996185268009 can be written as One hundred thirty-eight quintillion, eight hundred forty-one quadrillion, nine hundred sixty-three trillion, nine hundred ninety-six billion, one hundred eighty-five million, two hundred sixty-eight thousand and nine.

Scientific notation

• Scientific notation: 1.38841963996185268009 × 10²⁰

Factors of 138841963996185268009

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1764

Divisors of 138841963996185268009

• Number of divisors d(n): 81
• Complete list of divisors:
  1 79 353 521 811 6241 27887 41159 64069 124609 183913 271441 286283 422531 657721 2203073 3251561 5061451 9844111 14529127 21443839 22616357 33379949 51959959 64921289 95818673 101057899 149153443 220138651 232175513 342672641 777684769 1147801033 1694063281 1786692203 2637015971 4104836761 5128781831 7569675167 7983574021 11783121997 17390953429 18341865527 27071138639 33823991569 52651165379 77708943803 81957956089 120963442273 178532445961 405173764649 598004338193 630702347659 930866637763 1373885320891 1449007376633 2138619952481 2672095333951 4159442064941 6139006560437 6474678531031 9556111939567 14104063230919 27431257162459 42700095122369 63021953424233 211095531382129 328595923130339 484981518274523 511499603951449 754932843225793 1114220995242601 2167069315834261 3373307514667151 4978734320514407 22246749558754249 171198475950906619 266491293658704929 393320011320638153 1757493215141585671 138841963996185268009
• Sum of all divisors σ(n): 141466822618772653317
• Sum of proper divisors (its aliquot sum) s(n): 2624858622587385308
• 138841963996185268009 is a deficient number, because the sum of its proper divisors (2624858622587385308) is less than itself. Its deficiency is 136217105373597882701

Bases of 138841963996185268009

• Binary: 1111000011011010001101111101010001101100110001100101000111100101001₂
• Hexadecimal: 0x786D1BEA366328F29
• Base-36: TAUTKM3SY3L0P

Squares and roots of 138841963996185268009

• 138841963996185268009 squared (138841963996185268009²) is 19277090966318006236486411532163158824081
• 138841963996185268009 cubed (138841963996185268009³) is 2676469169896712898835391434568119914070802407686164268124729
• 138841963996185268009 is a perfect square number. Its square root is 11783121997
• The cube root of 138841963996185268009 is 5178137.5513535263

Scales and comparisons

• 138,841,963,996,185,268,009 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,841,963,996,185,268,009 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 138841963996185268009 cubic inches would be around 431511.5 feet tall.

Recreational maths with 138841963996185268009

• 138841963996185268009 backwards is 900862581699369148831
• The number of decimal digits it has is: 21
• The sum of 138841963996185268009's digits is 106
• More coming soon!