138967278198

Names of 138967278198

• Cardinal: 138967278198 can be written as One hundred thirty-eight billion, nine hundred sixty-seven million, two hundred seventy-eight thousand, one hundred ninety-eight.

Scientific notation

• Scientific notation: 1.38967278198 × 10¹¹

Factors of 138967278198

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2492

Divisors of 138967278198

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 14 21 42 49 98 147 294 487 974 1461 1993 2922 3409 3986 5979 6818 10227 11958 13951 20454 23863 27902 41853 47726 71589 83706 97657 143178 195314 237169 292971 474338 585942 711507 970591 1423014 1660183 1941182 2911773 3320366 4980549 5823546 6794137 9961098 11621281 13588274 20382411 23242562 34863843 40764822 47558959 69727686 95117918 142676877 285353754 472677817 945355634 1418033451 2836066902 3308744719 6617489438 9926234157 19852468314 23161213033 46322426066 69483639099 138967278198
• Sum of all divisors σ(n): 324139431672
• Sum of proper divisors (its aliquot sum) s(n): 185172153474
• 138967278198 is an abundant number, because the sum of its proper divisors (185172153474) is greater than itself. Its abundance is 46204875276

Bases of 138967278198

• Binary: 10000001011011000110000110001001110110₂
• Hexadecimal: 0x205B186276
• Base-36: 1RU9J246

Squares and roots of 138967278198

• 138967278198 squared (138967278198²) is 19311904409760326127204
• 138967278198 cubed (138967278198³) is 2683722792644346227422366203898392
• The square root of 138967278198 is 372783.1517088721
• The cube root of 138967278198 is 5179.6949552531

Scales and comparisons

• 138,967,278,198 seconds is equal to 4,418 years, 37 weeks, 6 days, 13 hours, 43 minutes, 18 seconds.
• To count from 1 to 138,967,278,198 would take you about eight thousand, eight hundred thirty-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 138967278198 cubic inches would be around 431.6 feet tall.

Recreational maths with 138967278198

• 138967278198 backwards is 891872769831
• The number of decimal digits it has is: 12
• The sum of 138967278198's digits is 69
• More coming soon!