21089408
21,089,408 is an even composite number composed of four prime numbers multiplied together.
21089408 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 21089408:
27 × 37 × 61 × 73
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 37 × 61 × 73)See below for interesting mathematical facts about the number 21089408 from the Numbermatics database.
Names of 21089408
- Cardinal: 21089408 can be written as Twenty-one million, eighty-nine thousand, four hundred eight.
Scientific notation
- Scientific notation: 2.1089408 × 107
Factors of 21089408
Divisors of 21089408
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 8 16 32 37 61 64 73 74 122 128 146 148 244 292 296 488 584 592 976 1168 1184 1952 2257 2336 2368 2701 3904 4453 4514 4672 4736 5402 7808 8906 9028 9344 10804 17812 18056 21608 35624 36112 43216 71248 72224 86432 142496 144448 164761 172864 284992 288896 329522 345728 569984 659044 1318088 2636176 5272352 10544704 21089408
- Sum of all divisors σ(n): 44457720
- Sum of proper divisors (its aliquot sum) s(n): 23368312
- 21089408 is an abundant number, because the sum of its proper divisors (23368312) is greater than itself. Its abundance is 2278904
Bases of 21089408
- Binary: 10100000111001100100000002
- Hexadecimal: 0x141CC80
- Base-36: CK0OW
Squares and roots of 21089408
- 21089408 squared (210894082) is 444763129790464
- 21089408 cubed (210894083) is 9379791107508049805312
-
The
square root of 21089408 is 4592.3205463033 -
The
cube root of 21089408 is 276.2834027981
Scales and comparisons
How big is 21089408?- 21,089,408 seconds is equal to 34 weeks, 6 days, 2 hours, 10 minutes, 8 seconds.
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To count from 1 to 21,089,408 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 21089408 cubic inches would be around 23 feet tall.
Recreational maths with 21089408
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The information we have on file for 21089408 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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