22139142

Names of 22139142

• Cardinal: 22139142 can be written as Twenty-two million, one hundred thirty-nine thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.2139142 × 10⁷

Factors of 22139142

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 194227

Divisors of 22139142

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 19 38 57 114 194203 388406 582609 1165218 3689857 7379714 11069571 22139142
• Sum of all divisors σ(n): 46608960
• Sum of proper divisors (its aliquot sum) s(n): 24469818
• 22139142 is an abundant number, because the sum of its proper divisors (24469818) is greater than itself. Its abundance is 2330676

Bases of 22139142

• Binary: 1010100011101000100000110₂
• Hexadecimal: 0x151D106
• Base-36: D6IO6

Squares and roots of 22139142

• 22139142 squared (22139142²) is 490141608496164
• 22139142 cubed (22139142³) is 10851314670604981251288
• The square root of 22139142 is 4705.2249680541
• The cube root of 22139142 is 280.7934213685

Scales and comparisons

• 22,139,142 seconds is equal to 36 weeks, 4 days, 5 hours, 45 minutes, 42 seconds.
• To count from 1 to 22,139,142 would take you about two 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 22139142 cubic inches would be around 23.4 feet tall.

Recreational maths with 22139142

• 22139142 backwards is 24193122
• The number of decimal digits it has is: 8
• The sum of 22139142's digits is 24
• More coming soon!