13145850

Names of 13145850

• Cardinal: 13145850 can be written as Thirteen million, one hundred forty-five thousand, eight hundred fifty.

Scientific notation

• Scientific notation: 1.314585 × 10⁷

Factors of 13145850

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 364

Divisors of 13145850

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 131 150 223 225 262 393 446 450 655 669 786 1115 1179 1310 1338 1965 2007 2230 2358 3275 3345 3930 4014 5575 5895 6550 6690 9825 10035 11150 11790 16725 19650 20070 29213 29475 33450 50175 58426 58950 87639 100350 146065 175278 262917 292130 438195 525834 730325 876390 1314585 1460650 2190975 2629170 4381950 6572925 13145850
• Sum of all divisors σ(n): 35747712
• Sum of proper divisors (its aliquot sum) s(n): 22601862
• 13145850 is an abundant number, because the sum of its proper divisors (22601862) is greater than itself. Its abundance is 9456012

Bases of 13145850

• Binary: 110010001001011011111010₂
• Hexadecimal: 0xC896FA
• Base-36: 7TREI

Squares and roots of 13145850

• 13145850 squared (13145850²) is 172813372222500
• 13145850 cubed (13145850³) is 2271778669231151625000
• The square root of 13145850 is 3625.7206180289
• The cube root of 13145850 is 236.0095394975

Scales and comparisons

• 13,145,850 seconds is equal to 21 weeks, 5 days, 3 hours, 37 minutes, 30 seconds.
• To count from 1 to 13,145,850 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 13145850 cubic inches would be around 19.7 feet tall.

Recreational maths with 13145850

• 13145850 backwards is 05854131
• The number of decimal digits it has is: 8
• The sum of 13145850's digits is 27
• More coming soon!