12842940

Names of 12842940

• Cardinal: 12842940 can be written as Twelve million, eight hundred forty-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.284294 × 10⁷

Factors of 12842940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 111

Divisors of 12842940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 29 30 33 44 55 58 60 61 66 87 110 116 121 122 132 145 165 174 183 220 242 244 290 305 319 330 348 363 366 435 484 580 605 610 638 660 671 726 732 870 915 957 1210 1220 1276 1342 1452 1595 1740 1769 1815 1830 1914 2013 2420 2684 3190 3355 3509 3538 3630 3660 3828 4026 4785 5307 6380 6710 7018 7076 7260 7381 8052 8845 9570 10065 10527 10614 13420 14036 14762 17545 17690 19140 19459 20130 21054 21228 22143 26535 29524 35090 35380 36905 38918 40260 42108 44286 52635 53070 58377 70180 73810 77836 88572 97295 105270 106140 110715 116754 147620 194590 210540 214049 221430 233508 291885 389180 428098 442860 583770 642147 856196 1070245 1167540 1284294 2140490 2568588 3210735 4280980 6421470 12842940
• Sum of all divisors σ(n): 41559840
• Sum of proper divisors (its aliquot sum) s(n): 28716900
• 12842940 is an abundant number, because the sum of its proper divisors (28716900) is greater than itself. Its abundance is 15873960

Bases of 12842940

• Binary: 110000111111011110111100₂
• Hexadecimal: 0xC3F7BC
• Base-36: 7N9OC

Squares and roots of 12842940

• 12842940 squared (12842940²) is 164941107843600
• 12842940 cubed (12842940³) is 2118328751568884184000
• The square root of 12842940 is 3583.7047869489
• The cube root of 12842940 is 234.1827048505

Scales and comparisons

• 12,842,940 seconds is equal to 21 weeks, 1 day, 15 hours, 29 minutes.
• To count from 1 to 12,842,940 would take you about thirty-one 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 12842940 cubic inches would be around 19.5 feet tall.

Recreational maths with 12842940

• 12842940 backwards is 04924821
• 12842940 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12842940's digits is 30
• More coming soon!