12406642

Names of 12406642

• Cardinal: 12406642 can be written as Twelve million, four hundred six thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.2406642 × 10⁷

Factors of 12406642

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 85052

Divisors of 12406642

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 73 146 84977 169954 6203321 12406642
• Sum of all divisors σ(n): 18865116
• Sum of proper divisors (its aliquot sum) s(n): 6458474
• 12406642 is a deficient number, because the sum of its proper divisors (6458474) is less than itself. Its deficiency is 5948168

Bases of 12406642

• Binary: 101111010100111101110010₂
• Hexadecimal: 0xBD4F72
• Base-36: 7DX0Y

Squares and roots of 12406642

• 12406642 squared (12406642²) is 153924765716164
• 12406642 cubed (12406642³) is 1909689463174320361288
• The square root of 12406642 is 3522.3063466997
• The cube root of 12406642 is 231.5002246903

Scales and comparisons

• 12,406,642 seconds is equal to 20 weeks, 3 days, 14 hours, 17 minutes, 22 seconds.
• To count from 1 to 12,406,642 would take you about thirty 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 12406642 cubic inches would be around 19.3 feet tall.

Recreational maths with 12406642

• 12406642 backwards is 24660421
• The number of decimal digits it has is: 8
• The sum of 12406642's digits is 25
• More coming soon!