21379072
21,379,072 is an even composite number composed of four prime numbers multiplied together.
21379072 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21379072:
211 × 11 × 13 × 73
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 13 × 73)See below for interesting mathematical facts about the number 21379072 from the Numbermatics database.
Names of 21379072
- Cardinal: 21379072 can be written as Twenty-one million, three hundred seventy-nine thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1379072 × 107
Factors of 21379072
Divisors of 21379072
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 8 11 13 16 22 26 32 44 52 64 73 88 104 128 143 146 176 208 256 286 292 352 416 512 572 584 704 803 832 949 1024 1144 1168 1408 1606 1664 1898 2048 2288 2336 2816 3212 3328 3796 4576 4672 5632 6424 6656 7592 9152 9344 10439 11264 12848 13312 15184 18304 18688 20878 22528 25696 26624 30368 36608 37376 41756 51392 60736 73216 74752 83512 102784 121472 146432 149504 167024 205568 242944 292864 334048 411136 485888 668096 822272 971776 1336192 1644544 1943552 2672384 5344768 10689536 21379072
- Sum of all divisors σ(n): 50909040
- Sum of proper divisors (its aliquot sum) s(n): 29529968
- 21379072 is an abundant number, because the sum of its proper divisors (29529968) is greater than itself. Its abundance is 8150896
Bases of 21379072
- Binary: 10100011000111000000000002
- Hexadecimal: 0x1463800
- Base-36: CQ874
Squares and roots of 21379072
- 21379072 squared (213790722) is 457064719581184
- 21379072 cubed (213790723) is 9771619548585942581248
-
The
square root of 21379072 is 4623.7508583401 -
The
cube root of 21379072 is 277.5425771317
Scales and comparisons
How big is 21379072?- 21,379,072 seconds is equal to 35 weeks, 2 days, 10 hours, 37 minutes, 52 seconds.
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To count from 1 to 21,379,072 would take you about three hours!
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 21379072 cubic inches would be around 23.1 feet tall.
Recreational maths with 21379072
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The information we have on file for 21379072 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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