13197816

Names of 13197816

• Cardinal: 13197816 can be written as Thirteen million, one hundred ninety-seven thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.3197816 × 10⁷

Factors of 13197816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 109

Divisors of 13197816

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 73 81 93 108 124 146 162 186 216 219 243 248 279 292 324 372 438 486 558 584 648 657 729 744 837 876 972 1116 1314 1458 1674 1752 1944 1971 2232 2263 2511 2628 2916 3348 3942 4526 5022 5256 5832 5913 6696 6789 7533 7884 9052 10044 11826 13578 15066 15768 17739 18104 20088 20367 22599 23652 27156 30132 35478 40734 45198 47304 53217 54312 60264 61101 70956 81468 90396 106434 122202 141912 162936 180792 183303 212868 244404 366606 425736 488808 549909 733212 1099818 1466424 1649727 2199636 3299454 4399272 6598908 13197816
• Sum of all divisors σ(n): 38823360
• Sum of proper divisors (its aliquot sum) s(n): 25625544
• 13197816 is an abundant number, because the sum of its proper divisors (25625544) is greater than itself. Its abundance is 12427728

Bases of 13197816

• Binary: 110010010110000111111000₂
• Hexadecimal: 0xC961F8
• Base-36: 7UVI0

Squares and roots of 13197816

• 13197816 squared (13197816²) is 174182347169856
• 13197816 cubed (13197816³) is 2298826568395880234496
• The square root of 13197816 is 3632.8798493757
• The cube root of 13197816 is 236.3201152433

Scales and comparisons

• 13,197,816 seconds is equal to 21 weeks, 5 days, 18 hours, 3 minutes, 36 seconds.
• To count from 1 to 13,197,816 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 13197816 cubic inches would be around 19.7 feet tall.

Recreational maths with 13197816

• 13197816 backwards is 61879131
• 13197816 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13197816's digits is 36
• More coming soon!