13221180

Names of 13221180

• Cardinal: 13221180 can be written as Thirteen million, two hundred twenty-one thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.322118 × 10⁷

Factors of 13221180

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1516

Divisors of 13221180

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 180 196 210 245 252 294 315 420 441 490 588 630 735 882 980 1260 1470 1499 1764 2205 2940 2998 4410 4497 5996 7495 8820 8994 10493 13491 14990 17988 20986 22485 26982 29980 31479 41972 44970 52465 53964 62958 67455 73451 89940 94437 104930 125916 134910 146902 157395 188874 209860 220353 269820 293804 314790 367255 377748 440706 472185 629580 661059 734510 881412 944370 1101765 1322118 1469020 1888740 2203530 2644236 3305295 4407060 6610590 13221180
• Sum of all divisors σ(n): 46683000
• Sum of proper divisors (its aliquot sum) s(n): 33461820
• 13221180 is an abundant number, because the sum of its proper divisors (33461820) is greater than itself. Its abundance is 20240640

Bases of 13221180

• Binary: 110010011011110100111100₂
• Hexadecimal: 0xC9BD3C
• Base-36: 7VDJ0

Squares and roots of 13221180

• 13221180 squared (13221180²) is 174799600592400
• 13221180 cubed (13221180³) is 2311056983360227032000
• The square root of 13221180 is 3636.0940581893
• The cube root of 13221180 is 236.4594849749

Scales and comparisons

• 13,221,180 seconds is equal to 21 weeks, 6 days, 33 minutes.
• To count from 1 to 13,221,180 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 13221180 cubic inches would be around 19.7 feet tall.

Recreational maths with 13221180

• 13221180 backwards is 08112231
• 13221180 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13221180's digits is 18
• More coming soon!