13130838

Names of 13130838

• Cardinal: 13130838 can be written as Thirteen million, one hundred thirty thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3130838 × 10⁷

Factors of 13130838

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 232

Divisors of 13130838

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 42 46 63 69 126 138 161 197 207 322 394 414 483 529 591 966 1058 1182 1379 1449 1587 1773 2758 2898 3174 3546 3703 4137 4531 4761 7406 8274 9062 9522 11109 12411 13593 22218 24822 27186 31717 33327 40779 63434 66654 81558 95151 104213 190302 208426 285453 312639 570906 625278 729491 937917 1458982 1875834 2188473 4376946 6565419 13130838
• Sum of all divisors σ(n): 34162128
• Sum of proper divisors (its aliquot sum) s(n): 21031290
• 13130838 is an abundant number, because the sum of its proper divisors (21031290) is greater than itself. Its abundance is 7900452

Bases of 13130838

• Binary: 110010000101110001010110₂
• Hexadecimal: 0xC85C56
• Base-36: 7TFTI

Squares and roots of 13130838

• 13130838 squared (13130838²) is 172418906582244
• 13130838 cubed (13130838³) is 2264004730468579640472
• The square root of 13130838 is 3623.6498175183
• The cube root of 13130838 is 235.9196676697

Scales and comparisons

• 13,130,838 seconds is equal to 21 weeks, 4 days, 23 hours, 27 minutes, 18 seconds.
• To count from 1 to 13,130,838 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 13130838 cubic inches would be around 19.7 feet tall.

Recreational maths with 13130838

• 13130838 backwards is 83803131
• The number of decimal digits it has is: 8
• The sum of 13130838's digits is 27
• More coming soon!