138928920
138,928,920 is an even composite number composed of five prime numbers multiplied together.
138928920 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 138928920:
23 × 3 × 5 × 13 × 89057
(2 × 2 × 2 × 3 × 5 × 13 × 89057)See below for interesting mathematical facts about the number 138928920 from the Numbermatics database.
Names of 138928920
- Cardinal: 138928920 can be written as One hundred thirty-eight million, nine hundred twenty-eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3892892 × 108
Factors of 138928920
Divisors of 138928920
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 89057 178114 267171 356228 445285 534342 712456 890570 1068684 1157741 1335855 1781140 2137368 2315482 2671710 3473223 3562280 4630964 5343420 5788705 6946446 9261928 10686840 11577410 13892892 17366115 23154820 27785784 34732230 46309640 69464460 138928920
- Sum of all divisors σ(n): 448852320
- Sum of proper divisors (its aliquot sum) s(n): 309923400
- 138928920 is an abundant number, because the sum of its proper divisors (309923400) is greater than itself. Its abundance is 170994480
Bases of 138928920
- Binary: 10000100011111100011000110002
- Hexadecimal: 0x847E318
- Base-36: 2APQ8O
Squares and roots of 138928920
- 138928920 squared (1389289202) is 19301244812366400
- 138928920 cubed (1389289203) is 2681501096437666596288000
-
The
square root of 138928920 is 11786.8112736227 -
The
cube root of 138928920 is 517.9218339341
Scales and comparisons
How big is 138928920?- 138,928,920 seconds is equal to 4 years, 21 weeks, 4 days, 23 hours, 22 minutes.
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To count from 1 to 138,928,920 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 138928920 cubic inches would be around 43.2 feet tall.
Recreational maths with 138928920
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The information we have on file for 138928920 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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