12745742

Names of 12745742

• Cardinal: 12745742 can be written as Twelve million, seven hundred forty-five thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.2745742 × 10⁷

Factors of 12745742

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 135642

Divisors of 12745742

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 47 94 135593 271186 6372871 12745742
• Sum of all divisors σ(n): 19525536
• Sum of proper divisors (its aliquot sum) s(n): 6779794
• 12745742 is a deficient number, because the sum of its proper divisors (6779794) is less than itself. Its deficiency is 5965948

Bases of 12745742

• Binary: 110000100111110000001110₂
• Hexadecimal: 0xC27C0E
• Base-36: 7L6OE

Squares and roots of 12745742

• 12745742 squared (12745742²) is 162453939130564
• 12745742 cubed (12745742³) is 2070595995041873058488
• The square root of 12745742 is 3570.1179252231
• The cube root of 12745742 is 233.5904272791

Scales and comparisons

• 12,745,742 seconds is equal to 21 weeks, 12 hours, 29 minutes, 2 seconds.
• To count from 1 to 12,745,742 would take you about thirty-one 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 12745742 cubic inches would be around 19.5 feet tall.

Recreational maths with 12745742

• 12745742 backwards is 24754721
• The number of decimal digits it has is: 8
• The sum of 12745742's digits is 32
• More coming soon!