13140465

Names of 13140465

• Cardinal: 13140465 can be written as Thirteen million, one hundred forty thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 1.3140465 × 10⁷

Factors of 13140465

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 953

Divisors of 13140465

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 13 15 39 65 79 195 237 395 853 1027 1185 2559 3081 4265 5135 11089 12795 15405 33267 55445 67387 166335 202161 336935 876031 1010805 2628093 4380155 13140465
• Sum of all divisors σ(n): 22955520
• Sum of proper divisors (its aliquot sum) s(n): 9815055
• 13140465 is a deficient number, because the sum of its proper divisors (9815055) is less than itself. Its deficiency is 3325410

Bases of 13140465

• Binary: 110010001000000111110001₂
• Hexadecimal: 0xC881F1
• Base-36: 7TN8X

Squares and roots of 13140465

• 13140465 squared (13140465²) is 172671820416225
• 13140465 cubed (13140465³) is 2268988012665690044625
• The square root of 13140465 is 3624.9779309673
• The cube root of 13140465 is 235.9773091753

Scales and comparisons

• 13,140,465 seconds is equal to 21 weeks, 5 days, 2 hours, 7 minutes, 45 seconds.
• To count from 1 to 13,140,465 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 13140465 cubic inches would be around 19.7 feet tall.

Recreational maths with 13140465

• 13140465 backwards is 56404131
• The number of decimal digits it has is: 8
• The sum of 13140465's digits is 24
• More coming soon!