20304742

Names of 20304742

• Cardinal: 20304742 can be written as Twenty million, three hundred four thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.0304742 × 10⁷

Factors of 20304742

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10152373

Divisors of 20304742

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 10152371 20304742
• Sum of all divisors σ(n): 30457116
• Sum of proper divisors (its aliquot sum) s(n): 10152374
• 20304742 is a deficient number, because the sum of its proper divisors (10152374) is less than itself. Its deficiency is 10152368

Bases of 20304742

• Binary: 1001101011101001101100110₂
• Hexadecimal: 0x135D366
• Base-36: C378M

Squares and roots of 20304742

• 20304742 squared (20304742²) is 412282547686564
• 20304742 cubed (20304742³) is 8371290761878378886488
• The square root of 20304742 is 4506.0783393101
• The cube root of 20304742 is 272.8134798251

Scales and comparisons

• 20,304,742 seconds is equal to 33 weeks, 4 days, 12 minutes, 22 seconds.
• To count from 1 to 20,304,742 would take you about fifty 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 20304742 cubic inches would be around 22.7 feet tall.

Recreational maths with 20304742

• 20304742 backwards is 24740302
• The number of decimal digits it has is: 8
• The sum of 20304742's digits is 22
• More coming soon!