12123420

Names of 12123420

• Cardinal: 12123420 can be written as Twelve million, one hundred twenty-three thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.212342 × 10⁷

Factors of 12123420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 217

Divisors of 12123420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 37 43 60 74 86 111 127 129 148 172 185 215 222 254 258 370 381 430 444 508 516 555 635 645 740 762 860 1110 1270 1290 1524 1591 1905 2220 2540 2580 3182 3810 4699 4773 5461 6364 7620 7955 9398 9546 10922 14097 15910 16383 18796 19092 21844 23495 23865 27305 28194 31820 32766 46990 47730 54610 56388 65532 70485 81915 93980 95460 109220 140970 163830 202057 281940 327660 404114 606171 808228 1010285 1212342 2020570 2424684 3030855 4041140 6061710 12123420
• Sum of all divisors σ(n): 35954688
• Sum of proper divisors (its aliquot sum) s(n): 23831268
• 12123420 is an abundant number, because the sum of its proper divisors (23831268) is greater than itself. Its abundance is 11707848

Bases of 12123420

• Binary: 101110001111110100011100₂
• Hexadecimal: 0xB8FD1C
• Base-36: 77UHO

Squares and roots of 12123420

• 12123420 squared (12123420²) is 146977312496400
• 12123420 cubed (12123420³) is 1781867689865105688000
• The square root of 12123420 is 3481.8701871265
• The cube root of 12123420 is 229.7250653077

Scales and comparisons

• 12,123,420 seconds is equal to 20 weeks, 7 hours, 37 minutes.
• To count from 1 to 12,123,420 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 12123420 cubic inches would be around 19.1 feet tall.

Recreational maths with 12123420

• 12123420 backwards is 02432121
• 12123420 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12123420's digits is 15
• More coming soon!