20980108720

Names of 20980108720

• Cardinal: 20980108720 can be written as Twenty billion, nine hundred eighty million, one hundred eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.098010872 × 10¹⁰

Factors of 20980108720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11402263

Divisors of 20980108720

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 920 1840 11402233 22804466 45608932 57011165 91217864 114022330 182435728 228044660 262251359 456089320 524502718 912178640 1049005436 1311256795 2098010872 2622513590 4196021744 5245027180 10490054360 20980108720
• Sum of all divisors σ(n): 50899572576
• Sum of proper divisors (its aliquot sum) s(n): 29919463856
• 20980108720 is an abundant number, because the sum of its proper divisors (29919463856) is greater than itself. Its abundance is 8939355136

Bases of 20980108720

• Binary: 10011100010100000110000110110110000₂
• Hexadecimal: 0x4E2830DB0
• Base-36: 9MZ0JHS

Squares and roots of 20980108720

• 20980108720 squared (20980108720²) is 440164961903020038400
• 20980108720 cubed (20980108720³) is 9234708755460018501970574848000
• The square root of 20980108720 is 144845.1197659071
• The cube root of 20980108720 is 2758.0528133739

Scales and comparisons

• 20,980,108,720 seconds is equal to 667 years, 5 weeks, 2 days, 7 hours, 58 minutes, 40 seconds.
• To count from 1 to 20,980,108,720 would take you about one thousand, three hundred thirty-four 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 20980108720 cubic inches would be around 229.8 feet tall.

Recreational maths with 20980108720

• 20980108720 backwards is 02780108902
• The number of decimal digits it has is: 11
• The sum of 20980108720's digits is 37
• More coming soon!