42879131897658621

Names of 42879131897658621

• Cardinal: 42879131897658621 can be written as Forty-two quadrillion, eight hundred seventy-nine trillion, one hundred thirty-one billion, eight hundred ninety-seven million, six hundred fifty-eight thousand, six hundred twenty-one.

Scientific notation

• Scientific notation: 4.2879131897658621 × 10¹⁶

Factors of 42879131897658621

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 709830316

Divisors of 42879131897658621

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 73 219 275941 827823 20143693 60431079 709554299 2128662897 51797463827 155392391481 195795122820359 587385368461077 14293043965886207 42879131897658621
• Sum of all divisors σ(n): 57955566464577600
• Sum of proper divisors (its aliquot sum) s(n): 15076434566918979
• 42879131897658621 is a deficient number, because the sum of its proper divisors (15076434566918979) is less than itself. Its deficiency is 27802697330739642

Bases of 42879131897658621

• Binary: 10011000010101100101011111100001000010010111110011111101₂
• Hexadecimal: 0x985657E1097CFD
• Base-36: BQ7DT95HKVX

Squares and roots of 42879131897658621

• 42879131897658621 squared (42879131897658621²) is 1838619952296805012067701855621641
• 42879131897658621 cubed (42879131897658621³) is 78838427444201503915743338574725037230434357817061
• The square root of 42879131897658621 is 207072769.5706478471
• The cube root of 42879131897658621 is 350011.2428977805

Scales and comparisons

• 42,879,131,897,658,621 seconds is equal to 1,363,423,760 years, 25 weeks, 11 hours, 50 minutes, 21 seconds.
• To count from 1 to 42,879,131,897,658,621 would take you about four billion, ninety million, two hundred seventy-one thousand, two hundred eighty-one 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 42879131897658621 cubic inches would be around 29167.6 feet tall.

Recreational maths with 42879131897658621

• 42879131897658621 backwards is 12685679813197824
• The number of decimal digits it has is: 17
• The sum of 42879131897658621's digits is 87
• More coming soon!