12118491

Names of 12118491

• Cardinal: 12118491 can be written as Twelve million, one hundred eighteen thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 1.2118491 × 10⁷

Factors of 12118491

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 117

Divisors of 12118491

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 11 21 27 29 33 63 67 77 81 87 99 189 201 203 231 261 297 319 469 567 603 609 693 737 783 891 957 1407 1809 1827 1943 2079 2211 2233 2349 2871 4221 5159 5427 5481 5829 6237 6633 6699 8613 12663 13601 15477 16443 17487 19899 20097 21373 25839 37989 40803 46431 52461 59697 60291 64119 122409 139293 149611 157383 180873 192357 367227 417879 448833 577071 1101681 1346499 1731213 4039497 12118491
• Sum of all divisors σ(n): 23696640
• Sum of proper divisors (its aliquot sum) s(n): 11578149
• 12118491 is a deficient number, because the sum of its proper divisors (11578149) is less than itself. Its deficiency is 540342

Bases of 12118491

• Binary: 101110001110100111011011₂
• Hexadecimal: 0xB8E9DB
• Base-36: 77QOR

Squares and roots of 12118491

• 12118491 squared (12118491²) is 146857824117081
• 12118491 cubed (12118491³) is 1779695219842429044771
• The square root of 12118491 is 3481.1623058973
• The cube root of 12118491 is 229.6939280999

Scales and comparisons

• 12,118,491 seconds is equal to 20 weeks, 6 hours, 14 minutes, 51 seconds.
• To count from 1 to 12,118,491 would take you about thirty 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 12118491 cubic inches would be around 19.1 feet tall.

Recreational maths with 12118491

• 12118491 backwards is 19481121
• 12118491 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12118491's digits is 27
• More coming soon!