2942721242

Names of 2942721242

• Cardinal: 2942721242 can be written as Two billion, nine hundred forty-two million, seven hundred twenty-one thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 2.942721242 × 10⁹

Factors of 2942721242

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 82672

Divisors of 2942721242

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 25933 51866 56737 113474 1471360621 2942721242
• Sum of all divisors σ(n): 4414329876
• Sum of proper divisors (its aliquot sum) s(n): 1471608634
• 2942721242 is a deficient number, because the sum of its proper divisors (1471608634) is less than itself. Its deficiency is 1471112608

Bases of 2942721242

• Binary: 10101111011001100101110011011010₂
• Hexadecimal: 0xAF665CDA
• Base-36: 1CO0Q8Q

Squares and roots of 2942721242

• 2942721242 squared (2942721242²) is 8659608308118022564
• 2942721242 cubed (2942721242³) is 25482813315698586042118104488
• The square root of 2942721242 is 54246.8546737965
• The cube root of 2942721242 is 1433.0116069805

Scales and comparisons

• 2,942,721,242 seconds is equal to 93 years, 29 weeks, 4 days, 6 hours, 34 minutes, 2 seconds.
• To count from 1 to 2,942,721,242 would take you about one hundred eighty-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 2942721242 cubic inches would be around 119.4 feet tall.

Recreational maths with 2942721242

• 2942721242 backwards is 2421272492
• The number of decimal digits it has is: 10
• The sum of 2942721242's digits is 35
• More coming soon!