20839437720

Names of 20839437720

• Cardinal: 20839437720 can be written as Twenty billion, eight hundred thirty-nine million, four hundred thirty-seven thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.083943772 × 10¹⁰

Factors of 20839437720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 57887337

Divisors of 20839437720

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 57887327 115774654 173661981 231549308 289436635 347323962 463098616 520985943 578873270 694647924 868309905 1041971886 1157746540 1389295848 1736619810 2083943772 2315493080 2604929715 3473239620 4167887544 5209859430 6946479240 10419718860 20839437720
• Sum of all divisors σ(n): 67728173760
• Sum of proper divisors (its aliquot sum) s(n): 46888736040
• 20839437720 is an abundant number, because the sum of its proper divisors (46888736040) is greater than itself. Its abundance is 26049298320

Bases of 20839437720

• Binary: 10011011010001000001001010110011000₂
• Hexadecimal: 0x4DA209598
• Base-36: 9KN9H20

Squares and roots of 20839437720

• 20839437720 squared (20839437720²) is 434282164485758798400
• 20839437720 cubed (20839437720³) is 9050196119707766306198835648000
• The square root of 20839437720 is 144358.7119643287
• The cube root of 20839437720 is 2751.8747643765

Scales and comparisons

• 20,839,437,720 seconds is equal to 662 years, 32 weeks, 5 days, 4 hours, 42 minutes.
• To count from 1 to 20,839,437,720 would take you about one thousand, three hundred twenty-five 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 20839437720 cubic inches would be around 229.3 feet tall.

Recreational maths with 20839437720

• 20839437720 backwards is 02773493802
• 20839437720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20839437720's digits is 45
• More coming soon!