381428838
381,428,838 is an even composite number composed of five prime numbers multiplied together.
381428838 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 381428838:
2 × 36 × 72 × 19 × 281
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 19 × 281)See below for interesting mathematical facts about the number 381428838 from the Numbermatics database.
Names of 381428838
- Cardinal: 381428838 can be written as Three hundred eighty-one million, four hundred twenty-eight thousand, eight hundred thirty-eight.
Scientific notation
- Scientific notation: 3.81428838 × 108
Factors of 381428838
Divisors of 381428838
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 6 7 9 14 18 19 21 27 38 42 49 54 57 63 81 98 114 126 133 147 162 171 189 243 266 281 294 342 378 399 441 486 513 562 567 729 798 843 882 931 1026 1134 1197 1323 1458 1539 1686 1701 1862 1967 2394 2529 2646 2793 3078 3402 3591 3934 3969 4617 5058 5103 5339 5586 5901 7182 7587 7938 8379 9234 10206 10678 10773 11802 11907 13769 13851 15174 16017 16758 17703 21546 22761 23814 25137 27538 27702 32034 32319 35406 35721 37373 41307 45522 48051 50274 53109 64638 68283 71442 74746 75411 82614 96102 96957 106218 112119 123921 136566 144153 150822 159327 193914 204849 224238 226233 247842 261611 288306 318654 336357 371763 409698 432459 452466 477981 523222 672714 678699 743526 784833 864918 955962 1009071 1115289 1297377 1357398 1433943 1569666 2018142 2230578 2354499 2594754 2867886 3027213 3345867 3892131 4708998 6054426 6691734 7063497 7784262 9081639 10037601 14126994 18163278 20075202 21190491 27244917 42380982 54489834 63571473 127142946 190714419 381428838
- Sum of all divisors σ(n): 1054132920
- Sum of proper divisors (its aliquot sum) s(n): 672704082
- 381428838 is an abundant number, because the sum of its proper divisors (672704082) is greater than itself. Its abundance is 291275244
Bases of 381428838
- Binary: 101101011110000100100011001102
- Hexadecimal: 0x16BC2466
- Base-36: 6B3CDI
Squares and roots of 381428838
- 381428838 squared (3814288382) is 145487958458030244
- 381428838 cubed (3814288383) is 55493302937638747737776472
-
The
square root of 381428838 is 19530.2032247491 -
The
cube root of 381428838 is 725.2223419521
Scales and comparisons
How big is 381428838?- 381,428,838 seconds is equal to 12 years, 6 weeks, 4 days, 16 hours, 27 minutes, 18 seconds.
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To count from 1 to 381,428,838 would take you about eighteen years!
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 381428838 cubic inches would be around 60.4 feet tall.
Recreational maths with 381428838
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The information we have on file for 381428838 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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