138661040029448041

Names of 138661040029448041

• Cardinal: 138661040029448041 can be written as One hundred thirty-eight quadrillion, six hundred sixty-one trillion, forty billion, twenty-nine million, four hundred forty-eight thousand and forty-one.

Scientific notation

• Scientific notation: 1.38661040029448041 × 10¹⁷

Factors of 138661040029448041

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1279702

Divisors of 138661040029448041

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 23 137 161 643 959 3151 4501 7691 14789 22057 53837 88091 103523 176893 616637 1053667 1238251 1271201 2026093 4945313 7375669 8898407 14182651 24234341 29237623 34617191 113742199 169640387 174154537 204663361 677507881 796195393 817382243 1219081759 4005554351 4742555167 5721675701 9776806891 15582681263 18799791589 28038880457 68437648237 109078768841 111981367291 131598541123 224866558493 783869571037 1339422544067 1574065909451 2575571447693 6286486830913 9375957808469 18029000133851 30806718513541 44005407816391 144589197110999 215647029594787 861248695835081 1012124379776993 6028740870845567 19808720004206863 138661040029448041
• Sum of all divisors σ(n): 166847623640764416
• Sum of proper divisors (its aliquot sum) s(n): 28186583611316375
• 138661040029448041 is a deficient number, because the sum of its proper divisors (28186583611316375) is less than itself. Its deficiency is 110474456418131666

Bases of 138661040029448041

• Binary: 111101100100111110111101100110011001001000011011101101001₂
• Hexadecimal: 0x1EC9F7B33243769
• Base-36: 11XB8IEFKMSP

Squares and roots of 138661040029448041

• 138661040029448041 squared (138661040029448041²) is 19226884022048191982912467118737681
• 138661040029448041 cubed (138661040029448041³) is 2666019735022779299453824981138647965771979098332921
• The square root of 138661040029448041 is 372372179.4514837827
• The cube root of 138661040029448041 is 517588.7375715475

Scales and comparisons

• 138,661,040,029,448,041 seconds is equal to 4,408,992,166 years, 9 weeks, 1 day, 23 hours, 34 minutes, 1 second.
• To count from 1 to 138,661,040,029,448,041 would take you about thirteen billion, two hundred twenty-six million, nine hundred seventy-six thousand, four hundred ninety-eight 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 138661040029448041 cubic inches would be around 43132.4 feet tall.

Recreational maths with 138661040029448041

• 138661040029448041 backwards is 140844920040166831
• The number of decimal digits it has is: 18
• The sum of 138661040029448041's digits is 61
• More coming soon!