39909966440

Names of 39909966440

• Cardinal: 39909966440 can be written as Thirty-nine billion, nine hundred nine million, nine hundred sixty-six thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.990996644 × 10¹⁰

Factors of 39909966440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4082

Divisors of 39909966440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 40 313 626 1252 1289 1565 2473 2504 2578 3130 4946 5156 6260 6445 9892 10312 12365 12520 12890 19784 24730 25780 49460 51560 98920 403457 774049 806914 1548098 1613828 2017285 3096196 3187697 3227656 3870245 4034570 6192392 6375394 7740490 8069140 12750788 15480980 15938485 16138280 25501576 30961960 31876970 63753940 127507880 997749161 1995498322 3990996644 4988745805 7981993288 9977491610 19954983220 39909966440
• Sum of all divisors σ(n): 90190659600
• Sum of proper divisors (its aliquot sum) s(n): 50280693160
• 39909966440 is an abundant number, because the sum of its proper divisors (50280693160) is greater than itself. Its abundance is 10370726720

Bases of 39909966440

• Binary: 100101001010110100011100001001101000₂
• Hexadecimal: 0x94AD1C268
• Base-36: IC1D36W

Squares and roots of 39909966440

• 39909966440 squared (39909966440²) is 1592805421241926273600
• 39909966440 cubed (39909966440³) is 63568810907215340700330257984000
• The square root of 39909966440 is 199774.7893003517
• The cube root of 39909966440 is 3417.3840454179

Scales and comparisons

• 39,909,966,440 seconds is equal to 1,269 years, 4 days, 21 hours, 47 minutes, 20 seconds.
• To count from 1 to 39,909,966,440 would take you about two thousand, five hundred thirty-eight 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 39909966440 cubic inches would be around 284.8 feet tall.

Recreational maths with 39909966440

• 39909966440 backwards is 04466990993
• The number of decimal digits it has is: 11
• The sum of 39909966440's digits is 59
• More coming soon!