12429690

Names of 12429690

• Cardinal: 12429690 can be written as Twelve million, four hundred twenty-nine thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.242969 × 10⁷

Factors of 12429690

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 216

Divisors of 12429690

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 29 30 35 39 42 58 65 70 78 87 91 105 130 145 157 174 182 195 203 210 273 290 314 377 390 406 435 455 471 546 609 754 785 870 910 942 1015 1099 1131 1218 1365 1570 1885 2030 2041 2198 2262 2355 2639 2730 3045 3297 3770 4082 4553 4710 5278 5495 5655 6090 6123 6594 7917 9106 10205 10990 11310 12246 13195 13659 14287 15834 16485 20410 22765 26390 27318 28574 30615 31871 32970 39585 42861 45530 59189 61230 63742 68295 71435 79170 85722 95613 118378 136590 142870 159355 177567 191226 214305 295945 318710 355134 414323 428610 478065 591890 828646 887835 956130 1242969 1775670 2071615 2485938 4143230 6214845 12429690
• Sum of all divisors σ(n): 38223360
• Sum of proper divisors (its aliquot sum) s(n): 25793670
• 12429690 is an abundant number, because the sum of its proper divisors (25793670) is greater than itself. Its abundance is 13363980

Bases of 12429690

• Binary: 101111011010100101111010₂
• Hexadecimal: 0xBDA97A
• Base-36: 7EET6

Squares and roots of 12429690

• 12429690 squared (12429690²) is 154497193496100
• 12429690 cubed (12429690³) is 1920352221026539209000
• The square root of 12429690 is 3525.5765485945
• The cube root of 12429690 is 231.6434897941

Scales and comparisons

• 12,429,690 seconds is equal to 20 weeks, 3 days, 20 hours, 41 minutes, 30 seconds.
• To count from 1 to 12,429,690 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 12429690 cubic inches would be around 19.3 feet tall.

Recreational maths with 12429690

• 12429690 backwards is 09692421
• The number of decimal digits it has is: 8
• The sum of 12429690's digits is 33
• More coming soon!