82721794742

Names of 82721794742

• Cardinal: 82721794742 can be written as Eighty-two billion, seven hundred twenty-one million, seven hundred ninety-four thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 8.2721794742 × 10¹⁰

Factors of 82721794742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 395356

Divisors of 82721794742

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 17 34 47 94 131 262 799 1598 2227 4454 6157 12314 104669 209338 395159 790318 6717703 13435406 18572473 37144946 51765829 103531658 315732041 631464082 880019093 1760038186 2432993963 4865987926 41360897371 82721794742
• Sum of all divisors σ(n): 135201623040
• Sum of proper divisors (its aliquot sum) s(n): 52479828298
• 82721794742 is a deficient number, because the sum of its proper divisors (52479828298) is less than itself. Its deficiency is 30241966444

Bases of 82721794742

• Binary: 1001101000010100110100110101010110110₂
• Hexadecimal: 0x13429A6AB6
• Base-36: 1202F5BQ

Squares and roots of 82721794742

• 82721794742 squared (82721794742²) is 6842895325337578846564
• 82721794742 cubed (82721794742³) is 566056582543566509204708319966488
• The square root of 82721794742 is 287613.9682664943
• The cube root of 82721794742 is 4357.1915171749

Scales and comparisons

• 82,721,794,742 seconds is equal to 2,630 years, 15 weeks, 3 days, 4 hours, 19 minutes, 2 seconds.
• To count from 1 to 82,721,794,742 would take you about five thousand, two hundred sixty 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 82721794742 cubic inches would be around 363.1 feet tall.

Recreational maths with 82721794742

• 82721794742 backwards is 24749712728
• The number of decimal digits it has is: 11
• The sum of 82721794742's digits is 53
• More coming soon!