138656768
138,656,768 is an even composite number composed of four prime numbers multiplied together.
138656768 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-eight divisors.
Prime factorization of 138656768:
210 × 43 × 47 × 67
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 43 × 47 × 67)See below for interesting mathematical facts about the number 138656768 from the Numbermatics database.
Names of 138656768
- Cardinal: 138656768 can be written as One hundred thirty-eight million, six hundred fifty-six thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38656768 × 108
Factors of 138656768
Divisors of 138656768
- Number of divisors d(n): 88
-
Complete list of divisors:
1 2 4 8 16 32 43 47 64 67 86 94 128 134 172 188 256 268 344 376 512 536 688 752 1024 1072 1376 1504 2021 2144 2752 2881 3008 3149 4042 4288 5504 5762 6016 6298 8084 8576 11008 11524 12032 12596 16168 17152 22016 23048 24064 25192 32336 34304 44032 46096 48128 50384 64672 68608 92192 100768 129344 135407 184384 201536 258688 270814 368768 403072 517376 541628 737536 806144 1034752 1083256 1475072 1612288 2069504 2166512 2950144 3224576 4333024 8666048 17332096 34664192 69328384 138656768
- Sum of all divisors σ(n): 293981952
- Sum of proper divisors (its aliquot sum) s(n): 155325184
- 138656768 is an abundant number, because the sum of its proper divisors (155325184) is greater than itself. Its abundance is 16668416
Bases of 138656768
- Binary: 10000100001110111100000000002
- Hexadecimal: 0x843BC00
- Base-36: 2AJW8W
Squares and roots of 138656768
- 138656768 squared (1386567682) is 19225699312205824
- 138656768 cubed (1386567683) is 2665773329170282506616832
-
The
square root of 138656768 is 11775.2608463677 -
The
cube root of 138656768 is 517.5834220265
Scales and comparisons
How big is 138656768?- 138,656,768 seconds is equal to 4 years, 21 weeks, 1 day, 19 hours, 46 minutes, 8 seconds.
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To count from 1 to 138,656,768 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 138656768 cubic inches would be around 43.1 feet tall.
Recreational maths with 138656768
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The information we have on file for 138656768 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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