13845405

Names of 13845405

• Cardinal: 13845405 can be written as Thirteen million, eight hundred forty-five thousand, four hundred five.

Scientific notation

• Scientific notation: 1.3845405 × 10⁷

Factors of 13845405

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 131876

Divisors of 13845405

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 5 7 15 21 35 105 131861 395583 659305 923027 1977915 2769081 4615135 13845405
• Sum of all divisors σ(n): 25317504
• Sum of proper divisors (its aliquot sum) s(n): 11472099
• 13845405 is a deficient number, because the sum of its proper divisors (11472099) is less than itself. Its deficiency is 2373306

Bases of 13845405

• Binary: 110100110100001110011101₂
• Hexadecimal: 0xD3439D
• Base-36: 88R6L

Squares and roots of 13845405

• 13845405 squared (13845405²) is 191695239614025
• 13845405 cubed (13845405³) is 2654098229028219805125
• The square root of 13845405 is 3720.9414131373
• The cube root of 13845405 is 240.1238076487

Scales and comparisons

• 13,845,405 seconds is equal to 22 weeks, 6 days, 5 hours, 56 minutes, 45 seconds.
• To count from 1 to 13,845,405 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 13845405 cubic inches would be around 20 feet tall.

Recreational maths with 13845405

• 13845405 backwards is 50454831
• The number of decimal digits it has is: 8
• The sum of 13845405's digits is 30
• More coming soon!