829220991764669981864

Names of 829220991764669981864

• Cardinal: 829220991764669981864 can be written as Eight hundred twenty-nine quintillion, two hundred twenty quadrillion, nine hundred ninety-one trillion, seven hundred sixty-four billion, six hundred sixty-nine million, nine hundred eighty-one thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 8.29220991764669981864 × 10²⁰

Factors of 829220991764669981864

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2410526138850784876

Divisors of 829220991764669981864

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 8 43 86 172 344 2410526138850784831 4821052277701569662 9642104555403139324 19284209110806278648 103652623970583747733 207305247941167495466 414610495882334990932 829220991764669981864
• Sum of all divisors σ(n): 1590947251641517989120
• Sum of proper divisors (its aliquot sum) s(n): 761726259876848007256
• 829220991764669981864 is a deficient number, because the sum of its proper divisors (761726259876848007256) is less than itself. Its deficiency is 67494731887821974608

Bases of 829220991764669981864

• Binary: 1011001111001111000000110000101001101111011110010001001110010010101000₂
• Hexadecimal: 0x2CF3C0C29BDE44E4A8
• Base-36: 4V015X6FBKQG88

Squares and roots of 829220991764669981864

• 829220991764669981864 squared (829220991764669981864²) is 687607453183182881883156395611890088914496
• 829220991764669981864 cubed (829220991764669981864³) is 570178534273337792604522575936668006112376090858545003766700544
• The square root of 829220991764669981864 is 28796197522.6707663633
• The cube root of 829220991764669981864 is 9394855.3097472949

Scales and comparisons

• 829,220,991,764,669,981,864 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 829,220,991,764,669,981,864 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 829220991764669981864 cubic inches would be around 782904.6 feet tall.

Recreational maths with 829220991764669981864

• 829220991764669981864 backwards is 468189966467199022928
• The number of decimal digits it has is: 21
• The sum of 829220991764669981864's digits is 116
• More coming soon!