12820890
12,820,890 is an even composite number composed of six prime numbers multiplied together.
12820890 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 12820890:
2 × 3 × 5 × 17 × 23 × 1093
See below for interesting mathematical facts about the number 12820890 from the Numbermatics database.
Names of 12820890
- Cardinal: 12820890 can be written as Twelve million, eight hundred twenty thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.282089 × 107
Factors of 12820890
Divisors of 12820890
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 15 17 23 30 34 46 51 69 85 102 115 138 170 230 255 345 391 510 690 782 1093 1173 1955 2186 2346 3279 3910 5465 5865 6558 10930 11730 16395 18581 25139 32790 37162 50278 55743 75417 92905 111486 125695 150834 185810 251390 278715 377085 427363 557430 754170 854726 1282089 2136815 2564178 4273630 6410445 12820890
- Sum of all divisors σ(n): 34027776
- Sum of proper divisors (its aliquot sum) s(n): 21206886
- 12820890 is an abundant number, because the sum of its proper divisors (21206886) is greater than itself. Its abundance is 8385996
Bases of 12820890
- Binary: 1100001110100001100110102
- Hexadecimal: 0xC3A19A
- Base-36: 7MSNU
Squares and roots of 12820890
- 12820890 squared (128208902) is 164375220392100
- 12820890 cubed (128208903) is 2107436619372870969000
-
The
square root of 12820890 is 3580.6270400587 -
The
cube root of 12820890 is 234.0486055801
Scales and comparisons
How big is 12820890?- 12,820,890 seconds is equal to 21 weeks, 1 day, 9 hours, 21 minutes, 30 seconds.
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To count from 1 to 12,820,890 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 12820890 cubic inches would be around 19.5 feet tall.
Recreational maths with 12820890
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The information we have on file for 12820890 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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