20015984709

Names of 20015984709

• Cardinal: 20015984709 can be written as Twenty billion, fifteen million, nine hundred eighty-four thousand, seven hundred nine.

Scientific notation

• Scientific notation: 2.0015984709 × 10¹⁰

Factors of 20015984709

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 302

Divisors of 20015984709

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 27 41 63 123 189 251 287 369 753 861 1107 1681 1757 2259 2583 5043 5271 6777 7749 10291 11767 15129 15813 30873 35301 45387 47439 63001 72037 92619 105903 189003 216111 277857 317709 421931 441007 567009 648333 1265793 1323021 1701027 1944999 2583041 2953517 3797379 3969063 7749123 8860551 11392137 11907189 18081287 23247369 26581653 54243861 69742107 79744959 105904681 162731583 317714043 488194749 741332767 953142129 2223998301 2859426387 6671994903 20015984709
• Sum of all divisors σ(n): 34875174080
• Sum of proper divisors (its aliquot sum) s(n): 14859189371
• 20015984709 is a deficient number, because the sum of its proper divisors (14859189371) is less than itself. Its deficiency is 5156795338

Bases of 20015984709

• Binary: 10010101001000010111011000001000101₂
• Hexadecimal: 0x4A90BB045
• Base-36: 97100N9

Squares and roots of 20015984709

• 20015984709 squared (20015984709²) is 400639643870921814681
• 20015984709 cubed (20015984709³) is 8019196985539576612389427712829
• The square root of 20015984709 is 141477.8594303717
• The cube root of 20015984709 is 2715.1405769523

Scales and comparisons

• 20,015,984,709 seconds is equal to 636 years, 23 weeks, 1 day, 11 hours, 45 minutes, 9 seconds.
• To count from 1 to 20,015,984,709 would take you about one thousand, two hundred seventy-two 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 20015984709 cubic inches would be around 226.3 feet tall.

Recreational maths with 20015984709

• 20015984709 backwards is 90748951002
• The number of decimal digits it has is: 11
• The sum of 20015984709's digits is 45
• More coming soon!