820308006666

Names of 820308006666

• Cardinal: 820308006666 can be written as Eight hundred twenty billion, three hundred eight million, six thousand, six hundred sixty-six.

Scientific notation

• Scientific notation: 8.20308006666 × 10¹¹

Factors of 820308006666

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 30361640

Divisors of 820308006666

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 19 38 57 79 114 158 171 237 342 474 711 1422 1501 3002 4503 9006 13509 27018 30361537 60723074 91084611 182169222 273253833 546507666 576869203 1153738406 1730607609 2398561423 3461215218 4797122846 5191822827 7195684269 10383645654 14391368538 21587052807 43174105614 45572667037 91145334074 136718001111 273436002222 410154003333 820308006666
• Sum of all divisors σ(n): 1894559971200
• Sum of proper divisors (its aliquot sum) s(n): 1074251964534
• 820308006666 is an abundant number, because the sum of its proper divisors (1074251964534) is greater than itself. Its abundance is 253943957868

Bases of 820308006666

• Binary: 1011111011111110001010101101011100001010₂
• Hexadecimal: 0xBEFE2AD70A
• Base-36: AGUE7GUI

Squares and roots of 820308006666

• 820308006666 squared (820308006666²) is 672905225800346300435556
• 820308006666 cubed (820308006666³) is 551989544451416708202798509951416296
• The square root of 820308006666 is 905708.5660774107
• The cube root of 820308006666 is 9361.0733919259

Scales and comparisons

• 820,308,006,666 seconds is equal to 26,083 years, 13 weeks, 2 days, 15 hours, 11 minutes, 6 seconds.
• To count from 1 to 820,308,006,666 would take you about fifty-two thousand, one hundred sixty-six 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 820308006666 cubic inches would be around 780.1 feet tall.

Recreational maths with 820308006666

• 820308006666 backwards is 666600803028
• The number of decimal digits it has is: 12
• The sum of 820308006666's digits is 45
• More coming soon!