138990546
138,990,546 is an even composite number composed of five prime numbers multiplied together.
138990546 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138990546:
2 × 33 × 31 × 79 × 1051
(2 × 3 × 3 × 3 × 31 × 79 × 1051)See below for interesting mathematical facts about the number 138990546 from the Numbermatics database.
Names of 138990546
- Cardinal: 138990546 can be written as One hundred thirty-eight million, nine hundred ninety thousand, five hundred forty-six.
Scientific notation
- Scientific notation: 1.38990546 × 108
Factors of 138990546
Divisors of 138990546
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 6 9 18 27 31 54 62 79 93 158 186 237 279 474 558 711 837 1051 1422 1674 2102 2133 2449 3153 4266 4898 6306 7347 9459 14694 18918 22041 28377 32581 44082 56754 65162 66123 83029 97743 132246 166058 195486 249087 293229 498174 586458 747261 879687 1494522 1759374 2241783 2573899 4483566 5147798 7721697 15443394 23165091 46330182 69495273 138990546
- Sum of all divisors σ(n): 323174400
- Sum of proper divisors (its aliquot sum) s(n): 184183854
- 138990546 is an abundant number, because the sum of its proper divisors (184183854) is greater than itself. Its abundance is 45193308
Bases of 138990546
- Binary: 10000100100011010011110100102
- Hexadecimal: 0x848D3D2
- Base-36: 2AR1SI
Squares and roots of 138990546
- 138990546 squared (1389905462) is 19318371877378116
- 138990546 cubed (1389905463) is 2685071055067829391291336
-
The
square root of 138990546 is 11789.4251768269 -
The
cube root of 138990546 is 517.9984024239
Scales and comparisons
How big is 138990546?- 138,990,546 seconds is equal to 4 years, 21 weeks, 5 days, 16 hours, 29 minutes, 6 seconds.
-
To count from 1 to 138,990,546 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 138990546 cubic inches would be around 43.2 feet tall.
Recreational maths with 138990546
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