13870085

Names of 13870085

• Cardinal: 13870085 can be written as Thirteen million, eight hundred seventy thousand and eighty-five.

Scientific notation

• Scientific notation: 1.3870085 × 10⁷

Factors of 13870085

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 13363

Divisors of 13870085

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 211 1055 13147 65735 2774017 13870085
• Sum of all divisors σ(n): 16724256
• Sum of proper divisors (its aliquot sum) s(n): 2854171
• 13870085 is a deficient number, because the sum of its proper divisors (2854171) is less than itself. Its deficiency is 11015914

Bases of 13870085

• Binary: 110100111010010000000101₂
• Hexadecimal: 0xD3A405
• Base-36: 89A85

Squares and roots of 13870085

• 13870085 squared (13870085²) is 192379257907225
• 13870085 cubed (13870085³) is 2668316659410132864125
• The square root of 13870085 is 3724.2563015991
• The cube root of 13870085 is 240.2663997889

Scales and comparisons

• 13,870,085 seconds is equal to 22 weeks, 6 days, 12 hours, 48 minutes, 5 seconds.
• To count from 1 to 13,870,085 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 13870085 cubic inches would be around 20 feet tall.

Recreational maths with 13870085

• 13870085 backwards is 58007831
• The number of decimal digits it has is: 8
• The sum of 13870085's digits is 32
• More coming soon!