21037794882

Names of 21037794882

• Cardinal: 21037794882 can be written as Twenty-one billion, thirty-seven million, seven hundred ninety-four thousand, eight hundred eighty-two.

Scientific notation

• Scientific notation: 2.1037794882 × 10¹⁰

Factors of 21037794882

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40635

Divisors of 21037794882

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 13 17 23 26 34 39 46 51 69 78 102 138 221 289 299 391 442 578 598 663 782 867 897 1173 1326 1734 1794 2346 3757 5083 6647 7514 10166 11271 13294 15249 19941 22542 30498 39882 40577 81154 86411 121731 172822 243462 259233 518466 527501 689809 933271 1055002 1379618 1582503 1866542 2069427 2799813 3165006 4138854 5599626 8967517 11726753 12132523 15865607 17935034 23453506 24265046 26902551 31731214 35180259 36397569 47596821 53805102 70360518 72795138 95193642 152447789 206252891 269715319 304895578 412505782 457343367 539430638 618758673 809145957 914686734 1237517346 1618291914 3506299147 7012598294 10518897441 21037794882
• Sum of all divisors σ(n): 50228422272
• Sum of proper divisors (its aliquot sum) s(n): 29190627390
• 21037794882 is an abundant number, because the sum of its proper divisors (29190627390) is greater than itself. Its abundance is 8152832508

Bases of 21037794882

• Binary: 10011100101111100110100011001000010₂
• Hexadecimal: 0x4E5F34642
• Base-36: 9NXCYF6

Squares and roots of 21037794882

• 21037794882 squared (21037794882²) is 442588813497105393924
• 21037794882 cubed (21037794882³) is 9311092675419856378108921096968
• The square root of 21037794882 is 145044.1135723887
• The cube root of 21037794882 is 2760.5783148051

Scales and comparisons

• 21,037,794,882 seconds is equal to 668 years, 48 weeks, 4 days, 23 hours, 54 minutes, 42 seconds.
• To count from 1 to 21,037,794,882 would take you about one thousand, three hundred thirty-seven 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 21037794882 cubic inches would be around 230 feet tall.

Recreational maths with 21037794882

• 21037794882 backwards is 28849773012
• 21037794882 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21037794882's digits is 51
• More coming soon!