2872722

Names of 2872722

• Cardinal: 2872722 can be written as Two million, eight hundred seventy-two thousand, seven hundred twenty-two.

Scientific notation

• Scientific notation: 2.872722 × 10⁶

Factors of 2872722

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 478792

Divisors of 2872722

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 478787 957574 1436361 2872722
• Sum of all divisors σ(n): 5745456
• Sum of proper divisors (its aliquot sum) s(n): 2872734
• 2872722 is an abundant number, because the sum of its proper divisors (2872734) is greater than itself. Its abundance is 12

Bases of 2872722

• Binary: 1010111101010110010010₂
• Hexadecimal: 0x2BD592
• Base-36: 1PKLU

Squares and roots of 2872722

• 2872722 squared (2872722²) is 8252531689284
• 2872722 cubed (2872722³) is 23707229339503311048
• The square root of 2872722 is 1694.9106171123
• The cube root of 2872722 is 142.1557835389

Scales and comparisons

• 2,872,722 seconds is equal to 4 weeks, 5 days, 5 hours, 58 minutes, 42 seconds.
• To count from 1 to 2,872,722 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 2872722 cubic inches would be around 11.8 feet tall.

Recreational maths with 2872722

• 2872722 backwards is 2272782
• The number of decimal digits it has is: 7
• The sum of 2872722's digits is 30
• More coming soon!