21340648
21,340,648 is an even composite number composed of five prime numbers multiplied together.
21340648 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21340648:
23 × 7 × 19 × 31 × 647
(2 × 2 × 2 × 7 × 19 × 31 × 647)See below for interesting mathematical facts about the number 21340648 from the Numbermatics database.
Names of 21340648
- Cardinal: 21340648 can be written as Twenty-one million, three hundred forty thousand, six hundred forty-eight.
Scientific notation
- Scientific notation: 2.1340648 × 107
Factors of 21340648
Divisors of 21340648
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 7 8 14 19 28 31 38 56 62 76 124 133 152 217 248 266 434 532 589 647 868 1064 1178 1294 1736 2356 2588 4123 4529 4712 5176 8246 9058 12293 16492 18116 20057 24586 32984 36232 40114 49172 80228 86051 98344 140399 160456 172102 280798 344204 381083 561596 688408 762166 1123192 1524332 2667581 3048664 5335162 10670324 21340648
- Sum of all divisors σ(n): 49766400
- Sum of proper divisors (its aliquot sum) s(n): 28425752
- 21340648 is an abundant number, because the sum of its proper divisors (28425752) is greater than itself. Its abundance is 7085104
Bases of 21340648
- Binary: 10100010110100001111010002
- Hexadecimal: 0x145A1E8
- Base-36: CPEJS
Squares and roots of 21340648
- 21340648 squared (213406482) is 455423257059904
- 21340648 cubed (213406483) is 9719027419928926177792
-
The
square root of 21340648 is 4619.5939215475 -
The
cube root of 21340648 is 277.3762042843
Scales and comparisons
How big is 21340648?- 21,340,648 seconds is equal to 35 weeks, 1 day, 23 hours, 57 minutes, 28 seconds.
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To count from 1 to 21,340,648 would take you about six 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 21340648 cubic inches would be around 23.1 feet tall.
Recreational maths with 21340648
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The information we have on file for 21340648 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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