13257090

Names of 13257090

• Cardinal: 13257090 can be written as Thirteen million, two hundred fifty-seven thousand and ninety.

Scientific notation

• Scientific notation: 1.325709 × 10⁷

Factors of 13257090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1941

Divisors of 13257090

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 55 63 66 70 77 90 99 105 110 126 154 165 198 210 231 315 330 385 462 495 630 693 770 990 1155 1386 1913 2310 3465 3826 5739 6930 9565 11478 13391 17217 19130 21043 26782 28695 34434 40173 42086 57390 63129 66955 80346 86085 105215 120519 126258 133910 147301 172170 189387 200865 210430 241038 294602 315645 378774 401730 441903 602595 631290 736505 883806 946935 1205190 1325709 1473010 1893870 2209515 2651418 4419030 6628545 13257090
• Sum of all divisors σ(n): 42996096
• Sum of proper divisors (its aliquot sum) s(n): 29739006
• 13257090 is an abundant number, because the sum of its proper divisors (29739006) is greater than itself. Its abundance is 16481916

Bases of 13257090

• Binary: 110010100100100110000010₂
• Hexadecimal: 0xCA4982
• Base-36: 7W58I

Squares and roots of 13257090

• 13257090 squared (13257090²) is 175750435268100
• 13257090 cubed (13257090³) is 2329939337888375829000
• The square root of 13257090 is 3641.0287007933
• The cube root of 13257090 is 236.6733736997

Scales and comparisons

• 13,257,090 seconds is equal to 21 weeks, 6 days, 10 hours, 31 minutes, 30 seconds.
• To count from 1 to 13,257,090 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 13257090 cubic inches would be around 19.7 feet tall.

Recreational maths with 13257090

• 13257090 backwards is 09075231
• The number of decimal digits it has is: 8
• The sum of 13257090's digits is 27
• More coming soon!