13870005

Names of 13870005

• Cardinal: 13870005 can be written as Thirteen million, eight hundred seventy thousand and five.

Scientific notation

• Scientific notation: 1.3870005 × 10⁷

Factors of 13870005

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 485

Divisors of 13870005

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 15 37 67 111 185 201 335 373 555 1005 1119 1865 2479 5595 7437 12395 13801 24991 37185 41403 69005 74973 124955 207015 374865 924667 2774001 4623335 13870005
• Sum of all divisors σ(n): 23193984
• Sum of proper divisors (its aliquot sum) s(n): 9323979
• 13870005 is a deficient number, because the sum of its proper divisors (9323979) is less than itself. Its deficiency is 4546026

Bases of 13870005

• Binary: 110100111010001110110101₂
• Hexadecimal: 0xD3A3B5
• Base-36: 89A5X

Squares and roots of 13870005

• 13870005 squared (13870005²) is 192377038700025
• 13870005 cubed (13870005³) is 2668270488654540250125
• The square root of 13870005 is 3724.2455611841
• The cube root of 13870005 is 240.2659378511

Scales and comparisons

• 13,870,005 seconds is equal to 22 weeks, 6 days, 12 hours, 46 minutes, 45 seconds.
• To count from 1 to 13,870,005 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 13870005 cubic inches would be around 20 feet tall.

Recreational maths with 13870005

• 13870005 backwards is 50007831
• The number of decimal digits it has is: 8
• The sum of 13870005's digits is 24
• More coming soon!