138731216
138,731,216 is an even composite number composed of five prime numbers multiplied together.
138731216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138731216:
24 × 13 × 23 × 47 × 617
(2 × 2 × 2 × 2 × 13 × 23 × 47 × 617)See below for interesting mathematical facts about the number 138731216 from the Numbermatics database.
Names of 138731216
- Cardinal: 138731216 can be written as One hundred thirty-eight million, seven hundred thirty-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 1.38731216 × 108
Factors of 138731216
Divisors of 138731216
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 8 13 16 23 26 46 47 52 92 94 104 184 188 208 299 368 376 598 611 617 752 1081 1196 1222 1234 2162 2392 2444 2468 4324 4784 4888 4936 8021 8648 9776 9872 14053 14191 16042 17296 28106 28382 28999 32084 56212 56764 57998 64168 112424 113528 115996 128336 184483 224848 227056 231992 368966 376987 463984 666977 737932 753974 1333954 1475864 1507948 2667908 2951728 3015896 5335816 6031792 8670701 10671632 17341402 34682804 69365608 138731216
- Sum of all divisors σ(n): 308980224
- Sum of proper divisors (its aliquot sum) s(n): 170249008
- 138731216 is an abundant number, because the sum of its proper divisors (170249008) is greater than itself. Its abundance is 31517792
Bases of 138731216
- Binary: 10000100010011011110110100002
- Hexadecimal: 0x844DED0
- Base-36: 2ALHOW
Squares and roots of 138731216
- 138731216 squared (1387312162) is 19246350292838656
- 138731216 cubed (1387312163) is 2670069579687462838685696
-
The
square root of 138731216 is 11778.4216260075 -
The
cube root of 138731216 is 517.6760395903
Scales and comparisons
How big is 138731216?- 138,731,216 seconds is equal to 4 years, 21 weeks, 2 days, 16 hours, 26 minutes, 56 seconds.
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To count from 1 to 138,731,216 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 138731216 cubic inches would be around 43.1 feet tall.
Recreational maths with 138731216
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The information we have on file for 138731216 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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