13381830

Names of 13381830

• Cardinal: 13381830 can be written as Thirteen million, three hundred eighty-one thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.338183 × 10⁷

Factors of 13381830

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1959

Divisors of 13381830

• 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 1931 2310 3465 3862 5793 6930 9655 11586 13517 17379 19310 21241 27034 28965 34758 40551 42482 57930 63723 67585 81102 86895 106205 121653 127446 135170 148687 173790 191169 202755 212410 243306 297374 318615 382338 405510 446061 608265 637230 743435 892122 955845 1216530 1338183 1486870 1911690 2230305 2676366 4460610 6690915 13381830
• Sum of all divisors σ(n): 43400448
• Sum of proper divisors (its aliquot sum) s(n): 30018618
• 13381830 is an abundant number, because the sum of its proper divisors (30018618) is greater than itself. Its abundance is 16636788

Bases of 13381830

• Binary: 110011000011000011000110₂
• Hexadecimal: 0xCC30C6
• Base-36: 7YTHI

Squares and roots of 13381830

• 13381830 squared (13381830²) is 179073374148900
• 13381830 cubed (13381830³) is 2396329450386974487000
• The square root of 13381830 is 3658.1183687793
• The cube root of 13381830 is 237.4133682189

Scales and comparisons

• 13,381,830 seconds is equal to 22 weeks, 21 hours, 10 minutes, 30 seconds.
• To count from 1 to 13,381,830 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 13381830 cubic inches would be around 19.8 feet tall.

Recreational maths with 13381830

• 13381830 backwards is 03818331
• The number of decimal digits it has is: 8
• The sum of 13381830's digits is 27
• More coming soon!