21220977594813

Names of 21220977594813

• Cardinal: 21220977594813 can be written as Twenty-one trillion, two hundred twenty billion, nine hundred seventy-seven million, five hundred ninety-four thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 2.1220977594813 × 10¹³

Factors of 21220977594813

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6350

Divisors of 21220977594813

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 29 87 113 339 421 1093 1263 3277 3279 4691 9831 12209 14073 31697 36627 47573 95091 123509 136039 142719 370527 408117 460153 530083 1379617 1380459 1590249 1974911 3581761 4138851 5127263 5924733 10745283 13344437 15372407 15381789 40033311 46117221 51997289 57272419 148690627 155991867 171817257 223164943 446071881 579380719 669494829 1507921381 1738142157 2158577723 4523764143 6471783347 6475733169 16802040851 19415350041 50406122553 62598753967 187796261901 243919282699 731757848097 7073659198271 21220977594813
• Sum of all divisors σ(n): 29632880782080
• Sum of proper divisors (its aliquot sum) s(n): 8411903187267
• 21220977594813 is a deficient number, because the sum of its proper divisors (8411903187267) is less than itself. Its deficiency is 12809074407546

Bases of 21220977594813

• Binary: 100110100110011100100110101001101000110111101₂
• Hexadecimal: 0x134CE4D4D1BD
• Base-36: 7ISS65F3X

Squares and roots of 21220977594813

• 21220977594813 squared (21220977594813²) is 450329890079555338404504969
• 21220977594813 cubed (21220977594813³) is 9556440507652844914399766145933527125797
• The square root of 21220977594813 is 4606623.2312631125
• The cube root of 21220977594813 is 27685.6757970965

Scales and comparisons

• 21,220,977,594,813 seconds is equal to 674,761 years, 23 weeks, 1 day, 14 hours, 33 minutes, 33 seconds.
• To count from 1 to 21,220,977,594,813 would take you about one million, six hundred eighty-six thousand, nine hundred three 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 21220977594813 cubic inches would be around 2307.1 feet tall.

Recreational maths with 21220977594813

• 21220977594813 backwards is 31849577902212
• The number of decimal digits it has is: 14
• The sum of 21220977594813's digits is 60
• More coming soon!