13929215

Names of 13929215

• Cardinal: 13929215 can be written as Thirteen million, nine hundred twenty-nine thousand, two hundred fifteen.

Scientific notation

• Scientific notation: 1.3929215 × 10⁷

Factors of 13929215

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2785848

Divisors of 13929215

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 2785843 13929215
• Sum of all divisors σ(n): 16715064
• Sum of proper divisors (its aliquot sum) s(n): 2785849
• 13929215 is a deficient number, because the sum of its proper divisors (2785849) is less than itself. Its deficiency is 11143366

Bases of 13929215

• Binary: 110101001000101011111111₂
• Hexadecimal: 0xD48AFF
• Base-36: 8AJUN

Squares and roots of 13929215

• 13929215 squared (13929215²) is 194023030516225
• 13929215 cubed (13929215³) is 2702588507012059013375
• The square root of 13929215 is 3732.1863565475
• The cube root of 13929215 is 240.6073448563

Scales and comparisons

• 13,929,215 seconds is equal to 23 weeks, 5 hours, 13 minutes, 35 seconds.
• To count from 1 to 13,929,215 would take you about thirty-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 13929215 cubic inches would be around 20.1 feet tall.

Recreational maths with 13929215

• 13929215 backwards is 51292931
• The number of decimal digits it has is: 8
• The sum of 13929215's digits is 32
• More coming soon!