138891408
138,891,408 is an even composite number composed of four prime numbers multiplied together.
138891408 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 138891408:
24 × 3 × 312 × 3011
(2 × 2 × 2 × 2 × 3 × 31 × 31 × 3011)See below for interesting mathematical facts about the number 138891408 from the Numbermatics database.
Names of 138891408
- Cardinal: 138891408 can be written as One hundred thirty-eight million, eight hundred ninety-one thousand, four hundred eight.
Scientific notation
- Scientific notation: 1.38891408 × 108
Factors of 138891408
Divisors of 138891408
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 961 1488 1922 2883 3011 3844 5766 6022 7688 9033 11532 12044 15376 18066 23064 24088 36132 46128 48176 72264 93341 144528 186682 280023 373364 560046 746728 1120092 1493456 2240184 2893571 4480368 5787142 8680713 11574284 17361426 23148568 34722852 46297136 69445704 138891408
- Sum of all divisors σ(n): 370873584
- Sum of proper divisors (its aliquot sum) s(n): 231982176
- 138891408 is an abundant number, because the sum of its proper divisors (231982176) is greater than itself. Its abundance is 93090768
Bases of 138891408
- Binary: 10000100011101010000100100002
- Hexadecimal: 0x8475090
- Base-36: 2AOXAO
Squares and roots of 138891408
- 138891408 squared (1388914082) is 19290823216222464
- 138891408 cubed (1388914083) is 2679329597980226466189312
-
The
square root of 138891408 is 11785.2198961241 -
The
cube root of 138891408 is 517.8752152925
Scales and comparisons
How big is 138891408?- 138,891,408 seconds is equal to 4 years, 21 weeks, 4 days, 12 hours, 56 minutes, 48 seconds.
-
To count from 1 to 138,891,408 would take you about six 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 138891408 cubic inches would be around 43.2 feet tall.
Recreational maths with 138891408
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The information we have on file for 138891408 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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