12938147678480

Names of 12938147678480

• Cardinal: 12938147678480 can be written as Twelve trillion, nine hundred thirty-eight billion, one hundred forty-seven million, six hundred seventy-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.293814767848 × 10¹³

Factors of 12938147678480

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3440996777

Divisors of 12938147678480

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 47 80 94 188 235 376 470 752 940 1880 3760 3440996723 6881993446 13763986892 17204983615 27527973784 34409967230 55055947568 68819934460 137639868920 161726845981 275279737840 323453691962 646907383924 808634229905 1293814767848 1617268459810 2587629535696 3234536919620 6469073839240 12938147678480
• Sum of all divisors σ(n): 30721218751872
• Sum of proper divisors (its aliquot sum) s(n): 17783071073392
• 12938147678480 is an abundant number, because the sum of its proper divisors (17783071073392) is greater than itself. Its abundance is 4844923394912

Bases of 12938147678480

• Binary: 10111100010001100101101100100100100100010000₂
• Hexadecimal: 0xBC465B24910
• Base-36: 4L3PB2OSW

Squares and roots of 12938147678480

• 12938147678480 squared (12938147678480²) is 167395665350157413455110400
• 12938147678480 cubed (12938147678480³) is 2165789839037754115196798137452104192000
• The square root of 12938147678480 is 3596963.6748902539
• The cube root of 12938147678480 is 23475.9964220319

Scales and comparisons

• 12,938,147,678,480 seconds is equal to 411,393 years, 3 weeks, 6 days, 14 hours, 41 minutes, 20 seconds.
• To count from 1 to 12,938,147,678,480 would take you about one million, twenty-eight thousand, four hundred eighty-two 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 12938147678480 cubic inches would be around 1956.3 feet tall.

Recreational maths with 12938147678480

• 12938147678480 backwards is 08487674183921
• The number of decimal digits it has is: 14
• The sum of 12938147678480's digits is 68
• More coming soon!