13154540

Names of 13154540

• Cardinal: 13154540 can be written as Thirteen million, one hundred fifty-four thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.315454 × 10⁷

Factors of 13154540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 478

Divisors of 13154540

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 31 35 49 62 70 98 124 140 155 196 217 245 310 433 434 490 620 866 868 980 1085 1519 1732 2165 2170 3031 3038 4330 4340 6062 6076 7595 8660 12124 13423 15155 15190 21217 26846 30310 30380 42434 53692 60620 67115 84868 93961 106085 134230 187922 212170 268460 375844 424340 469805 657727 939610 1315454 1879220 2630908 3288635 6577270 13154540
• Sum of all divisors σ(n): 33247872
• Sum of proper divisors (its aliquot sum) s(n): 20093332
• 13154540 is an abundant number, because the sum of its proper divisors (20093332) is greater than itself. Its abundance is 6938792

Bases of 13154540

• Binary: 110010001011100011101100₂
• Hexadecimal: 0xC8B8EC
• Base-36: 7TY3W

Squares and roots of 13154540

• 13154540 squared (13154540²) is 173041922611600
• 13154540 cubed (13154540³) is 2276286892671196664000
• The square root of 13154540 is 3626.9188025099
• The cube root of 13154540 is 236.0615323609

Scales and comparisons

• 13,154,540 seconds is equal to 21 weeks, 5 days, 6 hours, 2 minutes, 20 seconds.
• To count from 1 to 13,154,540 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 13154540 cubic inches would be around 19.7 feet tall.

Recreational maths with 13154540

• 13154540 backwards is 04545131
• The number of decimal digits it has is: 8
• The sum of 13154540's digits is 23
• More coming soon!