491648068431

Names of 491648068431

• Cardinal: 491648068431 can be written as Four hundred ninety-one billion, six hundred forty-eight million, sixty-eight thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 4.91648068431 × 10¹¹

Factors of 491648068431

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 975797

Divisors of 491648068431

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 13 39 59 73 117 177 219 531 657 767 949 2301 2847 4307 6903 8541 12921 38763 55991 167973 503919 975649 2926947 8780841 12683437 38050311 57563291 71222377 114150933 172689873 213667131 518069619 641001393 748322783 925890901 2244968349 2777672703 4202120243 6734905047 8333018109 12606360729 37819082187 54627563159 163882689477 491648068431
• Sum of all divisors σ(n): 788403252000
• Sum of proper divisors (its aliquot sum) s(n): 296755183569
• 491648068431 is a deficient number, because the sum of its proper divisors (296755183569) is less than itself. Its deficiency is 194892884862

Bases of 491648068431

• Binary: 111001001111000100000100010101101001111₂
• Hexadecimal: 0x7278822B4F
• Base-36: 69UYKDHR

Squares and roots of 491648068431

• 491648068431 squared (491648068431²) is 241717823191933258801761
• 491648068431 cubed (491648068431³) is 118840100877659961670553025191306991
• The square root of 491648068431 is 701176.2035544277
• The cube root of 491648068431 is 7892.5640034895

Scales and comparisons

• 491,648,068,431 seconds is equal to 15,632 years, 46 weeks, 1 day, 3 hours, 53 minutes, 51 seconds.
• To count from 1 to 491,648,068,431 would take you about thirty-one thousand, two hundred sixty-five 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 491648068431 cubic inches would be around 657.7 feet tall.

Recreational maths with 491648068431

• 491648068431 backwards is 134860846194
• The number of decimal digits it has is: 12
• The sum of 491648068431's digits is 54
• More coming soon!