20708537512221

Names of 20708537512221

• Cardinal: 20708537512221 can be written as Twenty trillion, seven hundred eight billion, five hundred thirty-seven million, five hundred twelve thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 2.0708537512221 × 10¹³

Factors of 20708537512221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 27974791

Divisors of 20708537512221

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 13 19 27 37 39 57 81 111 117 171 247 333 351 481 513 703 741 999 1053 1443 1539 2109 2223 2997 4329 6327 6669 9139 12987 18981 20007 27417 38961 56943 82251 246753 740259 27974719 83924157 251772471 363671347 531519661 755317413 1035064603 1091014041 1594558983 2265952239 3105193809 3273042123 4783676949 6909755593 9315581427 9819126369 13455839839 14351030847 19666227457 20729266779 27946744281 29457379107 40367519517 43053092541 58998682371 62187800337 83840232843 121102558551 176996047113 186563401011 255660956941 363307675653 530988141339 559690203033 766982870823 1089923026959 1592964424017 2300948612469 6902845837407 20708537512221
• Sum of all divisors σ(n): 36015773516800
• Sum of proper divisors (its aliquot sum) s(n): 15307236004579
• 20708537512221 is a deficient number, because the sum of its proper divisors (15307236004579) is less than itself. Its deficiency is 5401301507642

Bases of 20708537512221

• Binary: 100101101010110010101000001011011000100011101₂
• Hexadecimal: 0x12D59505B11D
• Base-36: 7C9DCK0T9

Squares and roots of 20708537512221

• 20708537512221 squared (20708537512221²) is 428843525895064323724352841
• 20708537512221 cubed (20708537512221³) is 8880722242871057342721481571315353569861
• The square root of 20708537512221 is 4550663.4145167229
• The cube root of 20708537512221 is 27461.0081062973

Scales and comparisons

• 20,708,537,512,221 seconds is equal to 658,467 years, 22 weeks, 5 days, 3 hours, 10 minutes, 21 seconds.
• To count from 1 to 20,708,537,512,221 would take you about one million, six hundred forty-six thousand, one hundred sixty-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 20708537512221 cubic inches would be around 2288.4 feet tall.

Recreational maths with 20708537512221

• 20708537512221 backwards is 12221573580702
• The number of decimal digits it has is: 14
• The sum of 20708537512221's digits is 45
• More coming soon!