822138442

Names of 822138442

• Cardinal: 822138442 can be written as Eight hundred twenty-two million, one hundred thirty-eight thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 8.22138442 × 10⁸

Factors of 822138442

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 411069223

Divisors of 822138442

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 411069221 822138442
• Sum of all divisors σ(n): 1233207666
• Sum of proper divisors (its aliquot sum) s(n): 411069224
• 822138442 is a deficient number, because the sum of its proper divisors (411069224) is less than itself. Its deficiency is 411069218

Bases of 822138442

• Binary: 110001000000001101011001001010₂
• Hexadecimal: 0x3100D64A
• Base-36: DLHA2Y

Squares and roots of 822138442

• 822138442 squared (822138442²) is 675911617814187364
• 822138442 cubed (822138442³) is 555692924399455444935046888
• The square root of 822138442 is 28672.9566316415
• The cube root of 822138442 is 936.8030986003

Scales and comparisons

• 822,138,442 seconds is equal to 26 years, 7 weeks, 2 days, 11 hours, 47 minutes, 22 seconds.
• To count from 1 to 822,138,442 would take you about thirty-nine 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 822138442 cubic inches would be around 78.1 feet tall.

Recreational maths with 822138442

• 822138442 backwards is 244831228
• The number of decimal digits it has is: 9
• The sum of 822138442's digits is 34
• More coming soon!