68139120
68,139,120 is an even composite number composed of five prime numbers multiplied together.
68139120 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 68139120:
24 × 3 × 5 × 7 × 40559
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 40559)See below for interesting mathematical facts about the number 68139120 from the Numbermatics database.
Names of 68139120
- Cardinal: 68139120 can be written as Sixty-eight million, one hundred thirty-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 6.813912 × 107
Factors of 68139120
Divisors of 68139120
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 40559 81118 121677 162236 202795 243354 283913 324472 405590 486708 567826 608385 648944 811180 851739 973416 1135652 1216770 1419565 1622360 1703478 1946832 2271304 2433540 2839130 3244720 3406956 4258695 4542608 4867080 5678260 6813912 8517390 9734160 11356520 13627824 17034780 22713040 34069560 68139120
- Sum of all divisors σ(n): 241413120
- Sum of proper divisors (its aliquot sum) s(n): 173274000
- 68139120 is an abundant number, because the sum of its proper divisors (173274000) is greater than itself. Its abundance is 105134880
Bases of 68139120
- Binary: 1000000111110111000011100002
- Hexadecimal: 0x40FB870
- Base-36: 14KGHC
Squares and roots of 68139120
- 68139120 squared (681391202) is 4642939674374400
- 68139120 cubed (681391203) is 316365823624958166528000
-
The
square root of 68139120 is 8254.6423302285 -
The
cube root of 68139120 is 408.4436734529
Scales and comparisons
How big is 68139120?- 68,139,120 seconds is equal to 2 years, 8 weeks, 4 days, 15 hours, 32 minutes.
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To count from 1 to 68,139,120 would take you about three 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 68139120 cubic inches would be around 34 feet tall.
Recreational maths with 68139120
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The information we have on file for 68139120 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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