21329154
21,329,154 is an even composite number composed of five prime numbers multiplied together.
21329154 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21329154:
2 × 32 × 7 × 112 × 1399
(2 × 3 × 3 × 7 × 11 × 11 × 1399)See below for interesting mathematical facts about the number 21329154 from the Numbermatics database.
Names of 21329154
- Cardinal: 21329154 can be written as Twenty-one million, three hundred twenty-nine thousand, one hundred fifty-four.
Scientific notation
- Scientific notation: 2.1329154 × 107
Factors of 21329154
Divisors of 21329154
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 121 126 154 198 231 242 363 462 693 726 847 1089 1386 1399 1694 2178 2541 2798 4197 5082 7623 8394 9793 12591 15246 15389 19586 25182 29379 30778 46167 58758 88137 92334 107723 138501 169279 176274 215446 277002 323169 338558 507837 646338 969507 1015674 1184953 1523511 1939014 2369906 3047022 3554859 7109718 10664577 21329154
- Sum of all divisors σ(n): 58094400
- Sum of proper divisors (its aliquot sum) s(n): 36765246
- 21329154 is an abundant number, because the sum of its proper divisors (36765246) is greater than itself. Its abundance is 15436092
Bases of 21329154
- Binary: 10100010101110101000000102
- Hexadecimal: 0x1457502
- Base-36: CP5OI
Squares and roots of 21329154
- 21329154 squared (213291542) is 454932810355716
- 21329154 cubed (213291543) is 9703331971729861344264
-
The
square root of 21329154 is 4618.3497052519 -
The
cube root of 21329154 is 277.3263973831
Scales and comparisons
How big is 21329154?- 21,329,154 seconds is equal to 35 weeks, 1 day, 20 hours, 45 minutes, 54 seconds.
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To count from 1 to 21,329,154 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 21329154 cubic inches would be around 23.1 feet tall.
Recreational maths with 21329154
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The information we have on file for 21329154 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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