9972642

Names of 9972642

• Cardinal: 9972642 can be written as Nine million, nine hundred seventy-two thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 9.972642 × 10⁶

Factors of 9972642

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 97793

Divisors of 9972642

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 17 34 51 102 97771 195542 293313 586626 1662107 3324214 4986321 9972642
• Sum of all divisors σ(n): 21118752
• Sum of proper divisors (its aliquot sum) s(n): 11146110
• 9972642 is an abundant number, because the sum of its proper divisors (11146110) is greater than itself. Its abundance is 1173468

Bases of 9972642

• Binary: 100110000010101110100010₂
• Hexadecimal: 0x982BA2
• Base-36: 5XQXU

Squares and roots of 9972642

• 9972642 squared (9972642²) is 99453588460164
• 9972642 cubed (9972642³) is 991815033328546833288
• The square root of 9972642 is 3157.9490179545
• The cube root of 9972642 is 215.2468194819

Scales and comparisons

• 9,972,642 seconds is equal to 16 weeks, 3 days, 10 hours, 10 minutes, 42 seconds.
• To count from 1 to 9,972,642 would take you about twenty-four 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 9972642 cubic inches would be around 17.9 feet tall.

Recreational maths with 9972642

• 9972642 backwards is 2462799
• The number of decimal digits it has is: 7
• The sum of 9972642's digits is 39
• More coming soon!