138242784
138,242,784 is an even composite number composed of four prime numbers multiplied together.
138242784 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138242784:
25 × 3 × 192 × 3989
(2 × 2 × 2 × 2 × 2 × 3 × 19 × 19 × 3989)See below for interesting mathematical facts about the number 138242784 from the Numbermatics database.
Names of 138242784
- Cardinal: 138242784 can be written as One hundred thirty-eight million, two hundred forty-two thousand, seven hundred eighty-four.
Scientific notation
- Scientific notation: 1.38242784 × 108
Factors of 138242784
Divisors of 138242784
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 361 456 608 722 912 1083 1444 1824 2166 2888 3989 4332 5776 7978 8664 11552 11967 15956 17328 23934 31912 34656 47868 63824 75791 95736 127648 151582 191472 227373 303164 382944 454746 606328 909492 1212656 1440029 1818984 2425312 2880058 3637968 4320087 5760116 7275936 8640174 11520232 17280348 23040464 34560696 46080928 69121392 138242784
- Sum of all divisors σ(n): 383087880
- Sum of proper divisors (its aliquot sum) s(n): 244845096
- 138242784 is an abundant number, because the sum of its proper divisors (244845096) is greater than itself. Its abundance is 106602312
Bases of 138242784
- Binary: 10000011110101101010111000002
- Hexadecimal: 0x83D6AE0
- Base-36: 2AB0TC
Squares and roots of 138242784
- 138242784 squared (1382427842) is 19111067328070656
- 138242784 cubed (1382427843) is 2641967152643928834146304
-
The
square root of 138242784 is 11757.6691567675 -
The
cube root of 138242784 is 517.0677966181
Scales and comparisons
How big is 138242784?- 138,242,784 seconds is equal to 4 years, 20 weeks, 4 days, 46 minutes, 24 seconds.
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To count from 1 to 138,242,784 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 138242784 cubic inches would be around 43.1 feet tall.
Recreational maths with 138242784
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The information we have on file for 138242784 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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