12720365401940

Names of 12720365401940

• Cardinal: 12720365401940 can be written as Twelve trillion, seven hundred twenty billion, three hundred sixty-five million, four hundred one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.272036540194 × 10¹³

Factors of 12720365401940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 56331294

Divisors of 12720365401940

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 140 1613 3226 6452 8065 11291 16130 22582 32260 45164 56455 112910 225820 56329667 112659334 225318668 281648335 394307669 563296670 788615338 1126593340 1577230676 1971538345 3943076690 7886153380 90859752871 181719505742 363439011484 454298764355 636018270097 908597528710 1272036540194 1817195057420 2544073080388 3180091350485 6360182700970 12720365401940
• Sum of all divisors σ(n): 30547804275072
• Sum of proper divisors (its aliquot sum) s(n): 17827438873132
• 12720365401940 is an abundant number, because the sum of its proper divisors (17827438873132) is greater than itself. Its abundance is 5107073471192

Bases of 12720365401940

• Binary: 10111001000110110000110111000111011101010100₂
• Hexadecimal: 0xB91B0DC7754
• Base-36: 4IBNL4OR8

Squares and roots of 12720365401940

• 12720365401940 squared (12720365401940²) is 161807695958872177755763600
• 12720365401940 cubed (12720365401940³) is 2058253017442864403107276972865621384000
• The square root of 12720365401940 is 3566562.1264657651
• The cube root of 12720365401940 is 23343.5299165503

Scales and comparisons

• 12,720,365,401,940 seconds is equal to 404,468 years, 14 weeks, 1 day, 9 hours, 52 minutes, 20 seconds.
• To count from 1 to 12,720,365,401,940 would take you about one million, eleven thousand, one hundred seventy 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 12720365401940 cubic inches would be around 1945.3 feet tall.

Recreational maths with 12720365401940

• 12720365401940 backwards is 04910456302721
• The number of decimal digits it has is: 14
• The sum of 12720365401940's digits is 44
• More coming soon!