138975121568780

Names of 138975121568780

• Cardinal: 138975121568780 can be written as One hundred thirty-eight trillion, nine hundred seventy-five billion, one hundred twenty-one million, five hundred sixty-eight thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 1.3897512156878 × 10¹⁴

Factors of 138975121568780

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 870229

Divisors of 138975121568780

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 140 587 1174 1949 2348 2935 3898 4109 5870 7796 8218 9745 11740 13643 16436 19490 20545 27286 38980 41090 54572 68215 82180 136430 272860 867679 1144063 1735358 2288126 3470716 4338395 4576252 5720315 6073753 8008441 8676790 11440630 12147506 16016882 17353580 22881260 24295012 30368765 32033764 40042205 60737530 80084410 121475060 160168820 509327573 1018655146 1691106371 2037310292 2546637865 3382212742 3565293011 5093275730 6764425484 7130586022 8455531855 10186551460 11837744597 14261172044 16911063710 17826465055 23675489194 33822127420 35652930110 47350978388 59188722985 71305860220 118377445970 236754891940 992679439777 1985358879554 3970717759108 4963397198885 6948756078439 9926794397770 13897512156878 19853588795540 27795024313756 34743780392195 69487560784390 138975121568780
• Sum of all divisors σ(n): 334280314368000
• Sum of proper divisors (its aliquot sum) s(n): 195305192799220
• 138975121568780 is an abundant number, because the sum of its proper divisors (195305192799220) is greater than itself. Its abundance is 56330071230440

Bases of 138975121568780

• Binary: 11111100110010110101010110000001111010000001100₂
• Hexadecimal: 0x7E65AAC0F40C
• Base-36: 1D9GAF5FD8

Squares and roots of 138975121568780

• 138975121568780 squared (138975121568780²) is 19314084415057179968270688400
• 138975121568780 cubed (138975121568780³) is 2684177229572250741605417903496298548152000
• The square root of 138975121568780 is 11788770.9948399625
• The cube root of 138975121568780 is 51797.9240146315

Scales and comparisons

• 138,975,121,568,780 seconds is equal to 4,418,978 years, 51 weeks, 2 days, 11 hours, 46 minutes, 20 seconds.
• To count from 1 to 138,975,121,568,780 would take you about eleven million, forty-seven thousand, four hundred forty-seven 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 138975121568780 cubic inches would be around 4316.5 feet tall.

Recreational maths with 138975121568780

• 138975121568780 backwards is 087865121579831
• The number of decimal digits it has is: 15
• The sum of 138975121568780's digits is 71
• More coming soon!