381338815
381,338,815 is an odd composite number composed of six prime numbers multiplied together.
381338815 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 381338815:
5 × 11 × 13 × 17 × 137 × 229
See below for interesting mathematical facts about the number 381338815 from the Numbermatics database.
Names of 381338815
- Cardinal: 381338815 can be written as Three hundred eighty-one million, three hundred thirty-eight thousand, eight hundred fifteen.
Scientific notation
- Scientific notation: 3.81338815 × 108
Factors of 381338815
Divisors of 381338815
- Number of divisors d(n): 64
-
Complete list of divisors:
1 5 11 13 17 55 65 85 137 143 187 221 229 685 715 935 1105 1145 1507 1781 2329 2431 2519 2977 3893 7535 8905 11645 12155 12595 14885 19465 19591 25619 30277 31373 32747 42823 50609 97955 128095 151385 156865 163735 214115 253045 333047 345103 407849 533341 556699 1665235 1725515 2039245 2666705 2783495 4486339 5866751 6933433 22431695 29333755 34667165 76267763 381338815
- Sum of all divisors σ(n): 575890560
- Sum of proper divisors (its aliquot sum) s(n): 194551745
- 381338815 is a deficient number, because the sum of its proper divisors (194551745) is less than itself. Its deficiency is 186787070
Bases of 381338815
- Binary: 101101011101011000100101111112
- Hexadecimal: 0x16BAC4BF
- Base-36: 6B1EWV
Squares and roots of 381338815
- 381338815 squared (3813388152) is 145419291825604225
- 381338815 cubed (3813388153) is 55454020422915101820493375
-
The
square root of 381338815 is 19527.8983764255 -
The
cube root of 381338815 is 725.1652829665
Scales and comparisons
How big is 381338815?- 381,338,815 seconds is equal to 12 years, 6 weeks, 3 days, 15 hours, 26 minutes, 55 seconds.
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To count from 1 to 381,338,815 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 381338815 cubic inches would be around 60.4 feet tall.
Recreational maths with 381338815
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The information we have on file for 381338815 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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