13981506

Names of 13981506

• Cardinal: 13981506 can be written as Thirteen million, nine hundred eighty-one thousand, five hundred six.

Scientific notation

• Scientific notation: 1.3981506 × 10⁷

Factors of 13981506

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 647

Divisors of 13981506

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 53 66 77 106 154 159 231 318 371 462 571 583 742 1113 1142 1166 1713 1749 2226 3426 3498 3997 4081 6281 7994 8162 11991 12243 12562 18843 23982 24486 30263 37686 43967 60526 87934 90789 131901 181578 211841 263802 332893 423682 635523 665786 998679 1271046 1997358 2330251 4660502 6990753 13981506
• Sum of all divisors σ(n): 35582976
• Sum of proper divisors (its aliquot sum) s(n): 21601470
• 13981506 is an abundant number, because the sum of its proper divisors (21601470) is greater than itself. Its abundance is 7619964

Bases of 13981506

• Binary: 110101010101011101000010₂
• Hexadecimal: 0xD55742
• Base-36: 8BO76

Squares and roots of 13981506

• 13981506 squared (13981506²) is 195482510028036
• 13981506 cubed (13981506³) is 2733139886852045502216
• The square root of 13981506 is 3739.1852053623
• The cube root of 13981506 is 240.9080530545

Scales and comparisons

• 13,981,506 seconds is equal to 23 weeks, 19 hours, 45 minutes, 6 seconds.
• To count from 1 to 13,981,506 would take you about thirty-four 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 13981506 cubic inches would be around 20.1 feet tall.

Recreational maths with 13981506

• 13981506 backwards is 60518931
• 13981506 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13981506's digits is 33
• More coming soon!