21232880
21,232,880 is an even composite number composed of five prime numbers multiplied together.
21232880 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21232880:
24 × 5 × 19 × 61 × 229
(2 × 2 × 2 × 2 × 5 × 19 × 61 × 229)See below for interesting mathematical facts about the number 21232880 from the Numbermatics database.
Names of 21232880
- Cardinal: 21232880 can be written as Twenty-one million, two hundred thirty-two thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 2.123288 × 107
Factors of 21232880
Divisors of 21232880
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 38 40 61 76 80 95 122 152 190 229 244 304 305 380 458 488 610 760 916 976 1145 1159 1220 1520 1832 2290 2318 2440 3664 4351 4580 4636 4880 5795 8702 9160 9272 11590 13969 17404 18320 18544 21755 23180 27938 34808 43510 46360 55876 69616 69845 87020 92720 111752 139690 174040 223504 265411 279380 348080 530822 558760 1061644 1117520 1327055 2123288 2654110 4246576 5308220 10616440 21232880
- Sum of all divisors σ(n): 53047200
- Sum of proper divisors (its aliquot sum) s(n): 31814320
- 21232880 is an abundant number, because the sum of its proper divisors (31814320) is greater than itself. Its abundance is 10581440
Bases of 21232880
- Binary: 10100001111111100111100002
- Hexadecimal: 0x143FCF0
- Base-36: CN3E8
Squares and roots of 21232880
- 21232880 squared (212328802) is 450835193094400
- 21232880 cubed (212328803) is 9572529554750223872000
-
The
square root of 21232880 is 4607.9149297703 -
The
cube root of 21232880 is 276.9085093635
Scales and comparisons
How big is 21232880?- 21,232,880 seconds is equal to 35 weeks, 18 hours, 1 minute, 20 seconds.
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To count from 1 to 21,232,880 would take you about four 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 21232880 cubic inches would be around 23.1 feet tall.
Recreational maths with 21232880
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The information we have on file for 21232880 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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