138485680
138,485,680 is an even composite number composed of five prime numbers multiplied together.
138485680 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 138485680:
24 × 5 × 19 × 31 × 2939
(2 × 2 × 2 × 2 × 5 × 19 × 31 × 2939)See below for interesting mathematical facts about the number 138485680 from the Numbermatics database.
Names of 138485680
- Cardinal: 138485680 can be written as One hundred thirty-eight million, four hundred eighty-five thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.3848568 × 108
Factors of 138485680
Divisors of 138485680
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 31 38 40 62 76 80 95 124 152 155 190 248 304 310 380 496 589 620 760 1178 1240 1520 2356 2480 2939 2945 4712 5878 5890 9424 11756 11780 14695 23512 23560 29390 47024 47120 55841 58780 91109 111682 117560 182218 223364 235120 279205 364436 446728 455545 558410 728872 893456 911090 1116820 1457744 1731071 1822180 2233640 3462142 3644360 4467280 6924284 7288720 8655355 13848568 17310710 27697136 34621420 69242840 138485680
- Sum of all divisors σ(n): 349977600
- Sum of proper divisors (its aliquot sum) s(n): 211491920
- 138485680 is an abundant number, because the sum of its proper divisors (211491920) is greater than itself. Its abundance is 73006240
Bases of 138485680
- Binary: 10000100000100011111101100002
- Hexadecimal: 0x8411FB0
- Base-36: 2AG88G
Squares and roots of 138485680
- 138485680 squared (1384856802) is 19178283565062400
- 138485680 cubed (1384856803) is 2655917640740490706432000
-
The
square root of 138485680 is 11767.9938817115 -
The
cube root of 138485680 is 517.3704530763
Scales and comparisons
How big is 138485680?- 138,485,680 seconds is equal to 4 years, 20 weeks, 6 days, 20 hours, 14 minutes, 40 seconds.
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To count from 1 to 138,485,680 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 138485680 cubic inches would be around 43.1 feet tall.
Recreational maths with 138485680
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The information we have on file for 138485680 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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