131205169137

Names of 131205169137

• Cardinal: 131205169137 can be written as One hundred thirty-one billion, two hundred five million, one hundred sixty-nine thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 1.31205169137 × 10¹¹

Factors of 131205169137

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4713

Divisors of 131205169137

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 49 53 147 159 343 371 593 1029 1113 1779 2597 4057 4151 7791 12171 12453 18179 28399 29057 31429 54537 85197 87171 94287 198793 203399 215021 220003 596379 610197 645063 660009 1391551 1505147 1540021 2405801 4174653 4515441 4620063 7217403 10536029 10780147 16840607 31608087 32340441 50521821 73752203 117884249 127507453 221256609 353652747 382522359 825189743 892552171 2475569229 2677656513 6247865197 18743595591 43735056379 131205169137
• Sum of all divisors σ(n): 208263052800
• Sum of proper divisors (its aliquot sum) s(n): 77057883663
• 131205169137 is a deficient number, because the sum of its proper divisors (77057883663) is less than itself. Its deficiency is 54147285474

Bases of 131205169137

• Binary: 1111010001100011011111111111111110001₂
• Hexadecimal: 0x1E8C6FFFF1
• Base-36: 1O9W64FL

Squares and roots of 131205169137

• 131205169137 squared (131205169137²) is 17214796408268777324769
• 131205169137 cubed (131205169137³) is 2258670274405925034252507024454353
• The square root of 131205169137 is 362222.5409013083
• The cube root of 131205169137 is 5081.4031032517

Scales and comparisons

• 131,205,169,137 seconds is equal to 4,171 years, 47 weeks, 5 days, 8 hours, 18 minutes, 57 seconds.
• To count from 1 to 131,205,169,137 would take you about eight thousand, three hundred forty-three 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 131205169137 cubic inches would be around 423.5 feet tall.

Recreational maths with 131205169137

• 131205169137 backwards is 731961502131
• The number of decimal digits it has is: 12
• The sum of 131205169137's digits is 39
• More coming soon!