20029642

Names of 20029642

• Cardinal: 20029642 can be written as Twenty million, twenty-nine thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.0029642 × 10⁷

Factors of 20029642

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 435452

Divisors of 20029642

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 23 46 435427 870854 10014821 20029642
• Sum of all divisors σ(n): 31350816
• Sum of proper divisors (its aliquot sum) s(n): 11321174
• 20029642 is a deficient number, because the sum of its proper divisors (11321174) is less than itself. Its deficiency is 8708468

Bases of 20029642

• Binary: 1001100011010000011001010₂
• Hexadecimal: 0x131A0CA
• Base-36: BXAYY

Squares and roots of 20029642

• 20029642 squared (20029642²) is 401186558648164
• 20029642 cubed (20029642³) is 8035623144934728877288
• The square root of 20029642 is 4475.4488043101
• The cube root of 20029642 is 271.5757967419

Scales and comparisons

• 20,029,642 seconds is equal to 33 weeks, 19 hours, 47 minutes, 22 seconds.
• To count from 1 to 20,029,642 would take you about forty-nine 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 20029642 cubic inches would be around 22.6 feet tall.

Recreational maths with 20029642

• 20029642 backwards is 24692002
• The number of decimal digits it has is: 8
• The sum of 20029642's digits is 25
• More coming soon!