13645620

Names of 13645620

• Cardinal: 13645620 can be written as Thirteen million, six hundred forty-five thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.364562 × 10⁷

Factors of 13645620

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 94

Divisors of 13645620

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 41 43 45 60 82 86 90 123 129 164 172 180 205 215 246 258 369 387 410 430 492 516 615 645 738 774 820 860 1230 1290 1476 1548 1763 1845 1849 1935 2460 2580 3526 3690 3698 3870 5289 5547 7052 7380 7396 7740 8815 9245 10578 11094 15867 16641 17630 18490 21156 22188 26445 27735 31734 33282 35260 36980 52890 55470 63468 66564 75809 79335 83205 105780 110940 151618 158670 166410 227427 303236 317340 332820 379045 454854 682281 758090 909708 1137135 1364562 1516180 2274270 2729124 3411405 4548540 6822810 13645620
• Sum of all divisors σ(n): 43410276
• Sum of proper divisors (its aliquot sum) s(n): 29764656
• 13645620 is an abundant number, because the sum of its proper divisors (29764656) is greater than itself. Its abundance is 16119036

Bases of 13645620

• Binary: 110100000011011100110100₂
• Hexadecimal: 0xD03734
• Base-36: 84H10

Squares and roots of 13645620

• 13645620 squared (13645620²) is 186202945184400
• 13645620 cubed (13645620³) is 2540854632867152328000
• The square root of 13645620 is 3693.9978343255
• The cube root of 13645620 is 238.9632361185

Scales and comparisons

• 13,645,620 seconds is equal to 22 weeks, 3 days, 22 hours, 27 minutes.
• To count from 1 to 13,645,620 would take you about thirty-three 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 13645620 cubic inches would be around 19.9 feet tall.

Recreational maths with 13645620

• 13645620 backwards is 02654631
• The number of decimal digits it has is: 8
• The sum of 13645620's digits is 27
• More coming soon!