21010829361620

Names of 21010829361620

• Cardinal: 21010829361620 can be written as Twenty-one trillion, ten billion, eight hundred twenty-nine million, three hundred sixty-one thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.101082936162 × 10¹³

Factors of 21010829361620

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 65796838

Divisors of 21010829361620

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 140 2281 4562 9124 11405 15967 22810 31934 45620 63868 79835 159670 319340 65794543 131589086 263178172 328972715 460561801 657945430 921123602 1315890860 1842247204 2302809005 4605618010 9211236020 150077352583 300154705166 600309410332 750386762915 1050541468081 1500773525830 2101082936162 3001547051660 4202165872324 5252707340405 10505414680810 21010829361620
• Sum of all divisors σ(n): 50448098201088
• Sum of proper divisors (its aliquot sum) s(n): 29437268839468
• 21010829361620 is an abundant number, because the sum of its proper divisors (29437268839468) is greater than itself. Its abundance is 8426439477848

Bases of 21010829361620

• Binary: 100110001101111110111000001010100000111010100₂
• Hexadecimal: 0x131BF70541D4
• Base-36: 7G48PBGLW

Squares and roots of 21010829361620

• 21010829361620 squared (21010829361620²) is 441454950463113096729024400
• 21010829361620 cubed (21010829361620³) is 9275334635022879269504949044377403528000
• The square root of 21010829361620 is 4583757.1228872937
• The cube root of 21010829361620 is 27593.9833913187

Scales and comparisons

• 21,010,829,361,620 seconds is equal to 668,079 years, 19 weeks, 6 days, 9 hours, 20 minutes, 20 seconds.
• To count from 1 to 21,010,829,361,620 would take you about one million, six hundred seventy thousand, one hundred ninety-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 21010829361620 cubic inches would be around 2299.5 feet tall.

Recreational maths with 21010829361620

• 21010829361620 backwards is 02616392801012
• The number of decimal digits it has is: 14
• The sum of 21010829361620's digits is 41
• More coming soon!