66948131481

Names of 66948131481

• Cardinal: 66948131481 can be written as Sixty-six billion, nine hundred forty-eight million, one hundred thirty-one thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 6.6948131481 × 10¹⁰

Factors of 66948131481

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4334

Divisors of 66948131481

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 11 21 33 67 77 201 231 469 737 1407 1697 2211 2549 5091 5159 7647 11879 15477 17843 18667 28039 35637 53529 56001 84117 113699 130669 170783 196273 341097 392007 512349 588819 795893 1195481 1250689 1878613 2387679 3586443 3752067 4325653 5635839 8754823 12976959 13150291 26264469 30279571 39450873 47582183 90838713 142746549 289818751 333075281 869456253 999225843 2028731257 3188006261 6086193771 9564018783 22316043827 66948131481
• Sum of all divisors σ(n): 113062348800
• Sum of proper divisors (its aliquot sum) s(n): 46114217319
• 66948131481 is a deficient number, because the sum of its proper divisors (46114217319) is less than itself. Its deficiency is 20833914162

Bases of 66948131481

• Binary: 111110010110011010110110101010011001₂
• Hexadecimal: 0xF966B6A99
• Base-36: UR76SUX

Squares and roots of 66948131481

• 66948131481 squared (66948131481²) is 4482052308797263253361
• 66948131481 cubed (66948131481³) is 300065027274078793258982043157641
• The square root of 66948131481 is 258743.3699266515
• The cube root of 66948131481 is 4060.4997379025

Scales and comparisons

• 66,948,131,481 seconds is equal to 2,128 years, 38 weeks, 4 days, 15 hours, 11 minutes, 21 seconds.
• To count from 1 to 66,948,131,481 would take you about four thousand, two hundred fifty-seven 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 66948131481 cubic inches would be around 338.4 feet tall.

Recreational maths with 66948131481

• 66948131481 backwards is 18413184966
• The number of decimal digits it has is: 11
• The sum of 66948131481's digits is 51
• More coming soon!