15428942

Names of 15428942

• Cardinal: 15428942 can be written as Fifteen million, four hundred twenty-eight thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.5428942 × 10⁷

Factors of 15428942

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 7714473

Divisors of 15428942

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 7714471 15428942
• Sum of all divisors σ(n): 23143416
• Sum of proper divisors (its aliquot sum) s(n): 7714474
• 15428942 is a deficient number, because the sum of its proper divisors (7714474) is less than itself. Its deficiency is 7714468

Bases of 15428942

• Binary: 111010110110110101001110₂
• Hexadecimal: 0xEB6D4E
• Base-36: 96P1Q

Squares and roots of 15428942

• 15428942 squared (15428942²) is 238052251239364
• 15428942 cubed (15428942³) is 3672894377341575272888
• The square root of 15428942 is 3927.9691953985
• The cube root of 15428942 is 248.9499531143

Scales and comparisons

• 15,428,942 seconds is equal to 25 weeks, 3 days, 13 hours, 49 minutes, 2 seconds.
• To count from 1 to 15,428,942 would take you about thirty-eight 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 15428942 cubic inches would be around 20.7 feet tall.

Recreational maths with 15428942

• 15428942 backwards is 24982451
• The number of decimal digits it has is: 8
• The sum of 15428942's digits is 35
• More coming soon!