138844970
138,844,970 is an even composite number composed of six prime numbers multiplied together.
138844970 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138844970:
2 × 5 × 11 × 19 × 31 × 2143
See below for interesting mathematical facts about the number 138844970 from the Numbermatics database.
Names of 138844970
- Cardinal: 138844970 can be written as One hundred thirty-eight million, eight hundred forty-four thousand, nine hundred seventy.
Scientific notation
- Scientific notation: 1.3884497 × 108
Factors of 138844970
Divisors of 138844970
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 10 11 19 22 31 38 55 62 95 110 155 190 209 310 341 418 589 682 1045 1178 1705 2090 2143 2945 3410 4286 5890 6479 10715 12958 21430 23573 32395 40717 47146 64790 66433 81434 117865 132866 203585 235730 332165 407170 447887 664330 730763 895774 1262227 1461526 2239435 2524454 3653815 4478870 6311135 7307630 12622270 13884497 27768994 69422485 138844970
- Sum of all divisors σ(n): 296386560
- Sum of proper divisors (its aliquot sum) s(n): 157541590
- 138844970 is an abundant number, because the sum of its proper divisors (157541590) is greater than itself. Its abundance is 18696620
Bases of 138844970
- Binary: 10000100011010011011001010102
- Hexadecimal: 0x8469B2A
- Base-36: 2ANXGQ
Squares and roots of 138844970
- 138844970 squared (1388449702) is 19277925694300900
- 138844970 cubed (1388449703) is 2676643014687437631473000
-
The
square root of 138844970 is 11783.2495518003 -
The
cube root of 138844970 is 517.8174920913
Scales and comparisons
How big is 138844970?- 138,844,970 seconds is equal to 4 years, 21 weeks, 4 days, 2 minutes, 50 seconds.
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To count from 1 to 138,844,970 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 138844970 cubic inches would be around 43.2 feet tall.
Recreational maths with 138844970
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The information we have on file for 138844970 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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