21641490
21,641,490 is an even composite number composed of six prime numbers multiplied together.
What does the number 21641490 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 96 divisors.
21641490 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21641490:
2 × 32 × 5 × 13 × 53 × 349
(2 × 3 × 3 × 5 × 13 × 53 × 349)See below for interesting mathematical facts about the number 21641490 from the Numbermatics database.
Names of 21641490
- Cardinal: 21641490 can be written as Twenty-one million, six hundred forty-one thousand, four hundred ninety.
Scientific notation
- Scientific notation: 2.164149 × 107
Factors of 21641490
Divisors of 21641490
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 30 39 45 53 65 78 90 106 117 130 159 195 234 265 318 349 390 477 530 585 689 698 795 954 1047 1170 1378 1590 1745 2067 2094 2385 3141 3445 3490 4134 4537 4770 5235 6201 6282 6890 9074 10335 10470 12402 13611 15705 18497 20670 22685 27222 31005 31410 36994 40833 45370 55491 62010 68055 81666 92485 110982 136110 166473 184970 204165 240461 277455 332946 408330 480922 554910 721383 832365 1202305 1442766 1664730 2164149 2404610 3606915 4328298 7213830 10820745 21641490
- Sum of all divisors σ(n): 61916400
- Sum of proper divisors (its aliquot sum) s(n): 40274910
- 21641490 is an abundant number, because the sum of its proper divisors (40274910) is greater than itself. Its abundance is 18633420
Bases of 21641490
- Binary: 10100101000111001000100102
- Hexadecimal: 0x14A3912
- Base-36: CVUOI
Squares and roots of 21641490
- 21641490 squared (216414902) is 468354089420100
- 21641490 cubed (216414903) is 10135880342644199949000
-
The
square root of 21641490 is 4652.0414873473 -
The
cube root of 21641490 is 278.6735303387
Scales and comparisons
How big is 21641490?- 21,641,490 seconds is equal to 35 weeks, 5 days, 11 hours, 31 minutes, 30 seconds.
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To count from 1 to 21,641,490 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 21641490 cubic inches would be around 23.2 feet tall.
Recreational maths with 21641490
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The information we have on file for 21641490 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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