13129078

Names of 13129078

• Cardinal: 13129078 can be written as Thirteen million, one hundred twenty-nine thousand and seventy-eight.

Scientific notation

• Scientific notation: 1.3129078 × 10⁷

Factors of 13129078

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6564541

Divisors of 13129078

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 6564539 13129078
• Sum of all divisors σ(n): 19693620
• Sum of proper divisors (its aliquot sum) s(n): 6564542
• 13129078 is a deficient number, because the sum of its proper divisors (6564542) is less than itself. Its deficiency is 6564536

Bases of 13129078

• Binary: 110010000101010101110110₂
• Hexadecimal: 0xC85576
• Base-36: 7TEGM

Squares and roots of 13129078

• 13129078 squared (13129078²) is 172372689130084
• 13129078 cubed (13129078³) is 2263094480658624982552
• The square root of 13129078 is 3623.4069603069
• The cube root of 13129078 is 235.9091266523

Scales and comparisons

• 13,129,078 seconds is equal to 21 weeks, 4 days, 22 hours, 57 minutes, 58 seconds.
• To count from 1 to 13,129,078 would take you about thirty-two 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 13129078 cubic inches would be around 19.7 feet tall.

Recreational maths with 13129078

• 13129078 backwards is 87092131
• The number of decimal digits it has is: 8
• The sum of 13129078's digits is 31
• More coming soon!