42820019

Names of 42820019

• Cardinal: 42820019 can be written as Forty-two million, eight hundred twenty thousand and nineteen.

Scientific notation

• Scientific notation: 4.2820019 × 10⁷

Factors of 42820019

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1984

Divisors of 42820019

• Number of divisors d(n): 6
• Complete list of divisors:
  1 11 1973 21703 3892729 42820019
• Sum of all divisors σ(n): 46736436
• Sum of proper divisors (its aliquot sum) s(n): 3916417
• 42820019 is a deficient number, because the sum of its proper divisors (3916417) is less than itself. Its deficiency is 38903602

Bases of 42820019

• Binary: 10100011010110000110110011₂
• Hexadecimal: 0x28D61B3
• Base-36: PHS4Z

Squares and roots of 42820019

• 42820019 squared (42820019²) is 1833554027160361
• 42820019 cubed (42820019³) is 78512818280533174066859
• The square root of 42820019 is 6543.7007113713
• The cube root of 42820019 is 349.8503278409

Scales and comparisons

• 42,820,019 seconds is equal to 1 year, 18 weeks, 5 days, 14 hours, 26 minutes, 59 seconds.
• To count from 1 to 42,820,019 would take you about two 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 42820019 cubic inches would be around 29.2 feet tall.

Recreational maths with 42820019

• 42820019 backwards is 91002824
• The number of decimal digits it has is: 8
• The sum of 42820019's digits is 26
• More coming soon!