820708122

Names of 820708122

• Cardinal: 820708122 can be written as Eight hundred twenty million, seven hundred eight thousand, one hundred twenty-two.

Scientific notation

• Scientific notation: 8.20708122 × 10⁸

Factors of 820708122

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 13398

Divisors of 820708122

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 13 26 39 78 839 1678 2517 5034 10907 12541 21814 25082 32721 37623 65442 75246 163033 326066 489099 978198 10521899 21043798 31565697 63131394 136784687 273569374 410354061 820708122
• Sum of all divisors σ(n): 1769927040
• Sum of proper divisors (its aliquot sum) s(n): 949218918
• 820708122 is an abundant number, because the sum of its proper divisors (949218918) is greater than itself. Its abundance is 128510796

Bases of 820708122

• Binary: 110000111010110000001100011010₂
• Hexadecimal: 0x30EB031A
• Base-36: DKMMFU

Squares and roots of 820708122

• 820708122 squared (820708122²) is 673561821516766884
• 820708122 cubed (820708122³) is 552797657587924940879431848
• The square root of 820708122 is 28648.0038048025
• The cube root of 820708122 is 936.2595137485

Scales and comparisons

• 820,708,122 seconds is equal to 26 years, 4 weeks, 6 days, 22 hours, 28 minutes, 42 seconds.
• To count from 1 to 820,708,122 would take you about thirty-nine 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 820708122 cubic inches would be around 78 feet tall.

Recreational maths with 820708122

• 820708122 backwards is 221807028
• The number of decimal digits it has is: 9
• The sum of 820708122's digits is 30
• More coming soon!