12985740
12,985,740 is an even composite number composed of five prime numbers multiplied together.
12985740 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 12985740:
22 × 32 × 5 × 19 × 3797
(2 × 2 × 3 × 3 × 5 × 19 × 3797)See below for interesting mathematical facts about the number 12985740 from the Numbermatics database.
Names of 12985740
- Cardinal: 12985740 can be written as Twelve million, nine hundred eighty-five thousand, seven hundred forty.
Scientific notation
- Scientific notation: 1.298574 × 107
Factors of 12985740
Divisors of 12985740
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 3797 7594 11391 15188 18985 22782 34173 37970 45564 56955 68346 72143 75940 113910 136692 144286 170865 216429 227820 288572 341730 360715 432858 649287 683460 721430 865716 1082145 1298574 1442860 2164290 2597148 3246435 4328580 6492870 12985740
- Sum of all divisors σ(n): 41474160
- Sum of proper divisors (its aliquot sum) s(n): 28488420
- 12985740 is an abundant number, because the sum of its proper divisors (28488420) is greater than itself. Its abundance is 15502680
Bases of 12985740
- Binary: 1100011000100101100011002
- Hexadecimal: 0xC6258C
- Base-36: 7QBV0
Squares and roots of 12985740
- 12985740 squared (129857402) is 168629443347600
- 12985740 cubed (129857403) is 2189778107656663224000
-
The
square root of 12985740 is 3603.5732266737 -
The
cube root of 12985740 is 235.0474628745
Scales and comparisons
How big is 12985740?- 12,985,740 seconds is equal to 21 weeks, 3 days, 7 hours, 9 minutes.
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To count from 1 to 12,985,740 would take you about thirty-two 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 12985740 cubic inches would be around 19.6 feet tall.
Recreational maths with 12985740
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The information we have on file for 12985740 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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