13638990
13,638,990 is an even composite number composed of six prime numbers multiplied together.
13638990 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 13638990:
2 × 3 × 5 × 29 × 61 × 257
See below for interesting mathematical facts about the number 13638990 from the Numbermatics database.
Names of 13638990
- Cardinal: 13638990 can be written as Thirteen million, six hundred thirty-eight thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.363899 × 107
Factors of 13638990
Divisors of 13638990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 15 29 30 58 61 87 122 145 174 183 257 290 305 366 435 514 610 771 870 915 1285 1542 1769 1830 2570 3538 3855 5307 7453 7710 8845 10614 14906 15677 17690 22359 26535 31354 37265 44718 47031 53070 74530 78385 94062 111795 156770 223590 235155 454633 470310 909266 1363899 2273165 2727798 4546330 6819495 13638990
- Sum of all divisors σ(n): 34551360
- Sum of proper divisors (its aliquot sum) s(n): 20912370
- 13638990 is an abundant number, because the sum of its proper divisors (20912370) is greater than itself. Its abundance is 7273380
Bases of 13638990
- Binary: 1101000000011101010011102
- Hexadecimal: 0xD01D4E
- Base-36: 84BWU
Squares and roots of 13638990
- 13638990 squared (136389902) is 186022048220100
- 13638990 cubed (136389903) is 2537152855453461699000
-
The
square root of 13638990 is 3693.1003235765 -
The
cube root of 13638990 is 238.9245281443
Scales and comparisons
How big is 13638990?- 13,638,990 seconds is equal to 22 weeks, 3 days, 20 hours, 36 minutes, 30 seconds.
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To count from 1 to 13,638,990 would take you about thirty-three 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 13638990 cubic inches would be around 19.9 feet tall.
Recreational maths with 13638990
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The information we have on file for 13638990 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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