13214145

Names of 13214145

• Cardinal: 13214145 can be written as Thirteen million, two hundred fourteen thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.3214145 × 10⁷

Factors of 13214145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 729

Divisors of 13214145

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 7 15 21 35 105 317 397 951 1191 1585 1985 2219 2779 4755 5955 6657 8337 11095 13895 33285 41685 125849 377547 629245 880943 1887735 2642829 4404715 13214145
• Sum of all divisors σ(n): 24300288
• Sum of proper divisors (its aliquot sum) s(n): 11086143
• 13214145 is a deficient number, because the sum of its proper divisors (11086143) is less than itself. Its deficiency is 2128002

Bases of 13214145

• Binary: 110010011010000111000001₂
• Hexadecimal: 0xC9A1C1
• Base-36: 7V83L

Squares and roots of 13214145

• 13214145 squared (13214145²) is 174613628081025
• 13214145 cubed (13214145³) is 2307369800438736098625
• The square root of 13214145 is 3635.1265452527
• The cube root of 13214145 is 236.4175374427

Scales and comparisons

• 13,214,145 seconds is equal to 21 weeks, 5 days, 22 hours, 35 minutes, 45 seconds.
• To count from 1 to 13,214,145 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 13214145 cubic inches would be around 19.7 feet tall.

Recreational maths with 13214145

• 13214145 backwards is 54141231
• 13214145 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13214145's digits is 21
• More coming soon!