138993246
138,993,246 is an even composite number composed of five prime numbers multiplied together.
138993246 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 138993246:
2 × 34 × 7 × 19 × 6451
(2 × 3 × 3 × 3 × 3 × 7 × 19 × 6451)See below for interesting mathematical facts about the number 138993246 from the Numbermatics database.
Names of 138993246
- Cardinal: 138993246 can be written as One hundred thirty-eight million, nine hundred ninety-three thousand, two hundred forty-six.
Scientific notation
- Scientific notation: 1.38993246 × 108
Factors of 138993246
Divisors of 138993246
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 6 7 9 14 18 19 21 27 38 42 54 57 63 81 114 126 133 162 171 189 266 342 378 399 513 567 798 1026 1134 1197 1539 2394 3078 3591 6451 7182 10773 12902 19353 21546 38706 45157 58059 90314 116118 122569 135471 174177 245138 270942 348354 367707 406413 522531 735414 812826 857983 1045062 1103121 1219239 1715966 2206242 2438478 2573949 3309363 3657717 5147898 6618726 7315434 7721847 9928089 15443694 19856178 23165541 46331082 69496623 138993246
- Sum of all divisors σ(n): 374732160
- Sum of proper divisors (its aliquot sum) s(n): 235738914
- 138993246 is an abundant number, because the sum of its proper divisors (235738914) is greater than itself. Its abundance is 96745668
Bases of 138993246
- Binary: 10000100100011011110010111102
- Hexadecimal: 0x848DE5E
- Base-36: 2AR3VI
Squares and roots of 138993246
- 138993246 squared (1389932462) is 19319122433616516
- 138993246 cubed (1389932463) is 2685227536919779078050936
-
The
square root of 138993246 is 11789.5396856707 -
The
cube root of 138993246 is 518.0017565769
Scales and comparisons
How big is 138993246?- 138,993,246 seconds is equal to 4 years, 21 weeks, 5 days, 17 hours, 14 minutes, 6 seconds.
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To count from 1 to 138,993,246 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 138993246 cubic inches would be around 43.2 feet tall.
Recreational maths with 138993246
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