12421242

Names of 12421242

• Cardinal: 12421242 can be written as Twelve million, four hundred twenty-one thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.2421242 × 10⁷

Factors of 12421242

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 238

Divisors of 12421242

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 23 27 46 54 69 73 137 138 146 207 219 274 411 414 438 621 657 822 1233 1242 1314 1679 1971 2466 3151 3358 3699 3942 5037 6302 7398 9453 10001 10074 15111 18906 20002 28359 30003 30222 45333 56718 60006 85077 90009 90666 170154 180018 230023 270027 460046 540054 690069 1380138 2070207 4140414 6210621 12421242
• Sum of all divisors σ(n): 29410560
• Sum of proper divisors (its aliquot sum) s(n): 16989318
• 12421242 is an abundant number, because the sum of its proper divisors (16989318) is greater than itself. Its abundance is 4568076

Bases of 12421242

• Binary: 101111011000100001111010₂
• Hexadecimal: 0xBD887A
• Base-36: 7E8AI

Squares and roots of 12421242

• 12421242 squared (12421242²) is 154287252822564
• 12421242 cubed (12421242³) is 1916439304824250504488
• The square root of 12421242 is 3524.3782430381
• The cube root of 12421242 is 231.5909980661

Scales and comparisons

• 12,421,242 seconds is equal to 20 weeks, 3 days, 18 hours, 20 minutes, 42 seconds.
• To count from 1 to 12,421,242 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 12421242 cubic inches would be around 19.3 feet tall.

Recreational maths with 12421242

• 12421242 backwards is 24212421
• 12421242 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12421242's digits is 18
• More coming soon!