21344128
21,344,128 is an even composite number composed of four prime numbers multiplied together.
21344128 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21344128:
27 × 13 × 101 × 127
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 101 × 127)See below for interesting mathematical facts about the number 21344128 from the Numbermatics database.
Names of 21344128
- Cardinal: 21344128 can be written as Twenty-one million, three hundred forty-four thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1344128 × 107
Factors of 21344128
Divisors of 21344128
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 101 104 127 128 202 208 254 404 416 508 808 832 1016 1313 1616 1651 1664 2032 2626 3232 3302 4064 5252 6464 6604 8128 10504 12827 12928 13208 16256 21008 25654 26416 42016 51308 52832 84032 102616 105664 166751 168064 205232 211328 333502 410464 667004 820928 1334008 1641856 2668016 5336032 10672064 21344128
- Sum of all divisors σ(n): 46609920
- Sum of proper divisors (its aliquot sum) s(n): 25265792
- 21344128 is an abundant number, because the sum of its proper divisors (25265792) is greater than itself. Its abundance is 3921664
Bases of 21344128
- Binary: 10100010110101111100000002
- Hexadecimal: 0x145AF80
- Base-36: CPH8G
Squares and roots of 21344128
- 21344128 squared (213441282) is 455571800080384
- 21344128 cubed (213441283) is 9723782814106126385152
-
The
square root of 21344128 is 4619.9705626767 -
The
cube root of 21344128 is 277.3912806265
Scales and comparisons
How big is 21344128?- 21,344,128 seconds is equal to 35 weeks, 2 days, 55 minutes, 28 seconds.
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To count from 1 to 21,344,128 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 21344128 cubic inches would be around 23.1 feet tall.
Recreational maths with 21344128
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The information we have on file for 21344128 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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