2942139

Names of 2942139

• Cardinal: 2942139 can be written as Two million, nine hundred forty-two thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 2.942139 × 10⁶

Factors of 2942139

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 57709

Divisors of 2942139

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 17 51 57689 173067 980713 2942139
• Sum of all divisors σ(n): 4153680
• Sum of proper divisors (its aliquot sum) s(n): 1211541
• 2942139 is a deficient number, because the sum of its proper divisors (1211541) is less than itself. Its deficiency is 1730598

Bases of 2942139

• Binary: 1011001110010010111011₂
• Hexadecimal: 0x2CE4BB
• Base-36: 1R263

Squares and roots of 2942139

• 2942139 squared (2942139²) is 8656181895321
• 2942139 cubed (2942139³) is 25467690345317831619
• The square root of 2942139 is 1715.2664516045
• The cube root of 2942139 is 143.2917089637

Scales and comparisons

• 2,942,139 seconds is equal to 4 weeks, 6 days, 1 hour, 15 minutes, 39 seconds.
• To count from 1 to 2,942,139 would take you about seven weeks!

  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 2942139 cubic inches would be around 11.9 feet tall.

Recreational maths with 2942139

• 2942139 backwards is 9312492
• The number of decimal digits it has is: 7
• The sum of 2942139's digits is 30
• More coming soon!