138862730657721

Names of 138862730657721

• Cardinal: 138862730657721 can be written as One hundred thirty-eight trillion, eight hundred sixty-two billion, seven hundred thirty million, six hundred fifty-seven thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.38862730657721 × 10¹⁴

Factors of 138862730657721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 273127

Divisors of 138862730657721

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 19 21 37 49 57 111 133 147 259 343 361 399 703 777 931 1029 1083 1369 1813 2109 2527 2793 4107 4921 5439 6517 7581 9583 12691 13357 14763 17689 19551 26011 28749 34447 38073 40071 53067 67081 78033 93499 103341 123823 182077 201243 241129 273061 280497 371469 469567 494209 546231 654493 723387 819183 1274539 1408701 1482627 1911427 1963479 3459463 3823617 4581451 5188159 5734281 8921773 10103257 10378389 13379989 13744353 15564477 24216241 26765319 30309771 36317113 40139967 70722799 72648723 93659923 98575021 108951339 169513687 191961883 212168397 254219791 280979769 295725063 373820509 495059593 508541061 575885649 690025147 762659373 1121461527 1343733181 1485178779 1779538537 2070075441 2616743563 3465417151 3647275777 4031199543 4830176029 5338615611 7102589671 7850230689 9406132267 10396251453 10941827331 14490528087 18317204941 21307769013 25530930439 28218396801 33811232203 49718127697 54951614823 65842925869 76592791317 101433696609 128220434587 134949203749 149154383091 178716513073 197528777607 348026893879 384661303761 404847611247 536149539219 944644426243 1044080681637 1251015591511 2436188257153 2833933278729 3753046774533 6612510983701 7308564771459 19837532951103 46287576885907 138862730657721
• Sum of all divisors σ(n): 234207243446400
• Sum of proper divisors (its aliquot sum) s(n): 95344512788679
• 138862730657721 is a deficient number, because the sum of its proper divisors (95344512788679) is less than itself. Its deficiency is 43518217869042

Bases of 138862730657721

• Binary: 11111100100101101111111101110111011111110111001₂
• Hexadecimal: 0x7E4B7FBBBFB9
• Base-36: 1D80NOI5DL

Squares and roots of 138862730657721

• 138862730657721 squared (138862730657721²) is 19282857965718767709256913841
• 138862730657721 cubed (138862730657721³) is 2677670312004695120413774943836212558416361
• The square root of 138862730657721 is 11784003.1677575935
• The cube root of 138862730657721 is 51783.9570401869

Scales and comparisons

• 138,862,730,657,721 seconds is equal to 4,415,405 years, 15 weeks, 5 days, 18 hours, 15 minutes, 21 seconds.
• To count from 1 to 138,862,730,657,721 would take you about eleven million, thirty-eight thousand, five hundred thirteen 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 138862730657721 cubic inches would be around 4315.3 feet tall.

Recreational maths with 138862730657721

• 138862730657721 backwards is 127756037268831
• The number of decimal digits it has is: 15
• The sum of 138862730657721's digits is 66
• More coming soon!