21138084
21,138,084 is an even composite number composed of four prime numbers multiplied together.
21138084 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 21138084:
22 × 36 × 11 × 659
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 11 × 659)See below for interesting mathematical facts about the number 21138084 from the Numbermatics database.
Names of 21138084
- Cardinal: 21138084 can be written as Twenty-one million, one hundred thirty-eight thousand and eighty-four.
Scientific notation
- Scientific notation: 2.1138084 × 107
Factors of 21138084
Divisors of 21138084
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 243 297 324 396 486 594 659 729 891 972 1188 1318 1458 1782 1977 2636 2673 2916 3564 3954 5346 5931 7249 7908 8019 10692 11862 14498 16038 17793 21747 23724 28996 32076 35586 43494 53379 65241 71172 86988 106758 130482 160137 195723 213516 260964 320274 391446 480411 587169 640548 782892 960822 1174338 1761507 1921644 2348676 3523014 5284521 7046028 10569042 21138084
- Sum of all divisors σ(n): 60595920
- Sum of proper divisors (its aliquot sum) s(n): 39457836
- 21138084 is an abundant number, because the sum of its proper divisors (39457836) is greater than itself. Its abundance is 18319752
Bases of 21138084
- Binary: 10100001010001010101001002
- Hexadecimal: 0x1428AA4
- Base-36: CL290
Squares and roots of 21138084
- 21138084 squared (211380842) is 446818595191056
- 21138084 cubed (211380843) is 9444888997910537776704
-
The
square root of 21138084 is 4597.6172089463 -
The
cube root of 21138084 is 276.4958006921
Scales and comparisons
How big is 21138084?- 21,138,084 seconds is equal to 34 weeks, 6 days, 15 hours, 41 minutes, 24 seconds.
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To count from 1 to 21,138,084 would take you about two days!
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 21138084 cubic inches would be around 23 feet tall.
Recreational maths with 21138084
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The information we have on file for 21138084 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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