138954920
138,954,920 is an even composite number composed of five prime numbers multiplied together.
138954920 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 138954920:
23 × 5 × 13 × 353 × 757
(2 × 2 × 2 × 5 × 13 × 353 × 757)See below for interesting mathematical facts about the number 138954920 from the Numbermatics database.
Names of 138954920
- Cardinal: 138954920 can be written as One hundred thirty-eight million, nine hundred fifty-four thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3895492 × 108
Factors of 138954920
Divisors of 138954920
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 353 520 706 757 1412 1514 1765 2824 3028 3530 3785 4589 6056 7060 7570 9178 9841 14120 15140 18356 19682 22945 30280 36712 39364 45890 49205 78728 91780 98410 183560 196820 267221 393640 534442 1068884 1336105 2137768 2672210 3473873 5344420 6947746 10688840 13895492 17369365 27790984 34738730 69477460 138954920
- Sum of all divisors σ(n): 338098320
- Sum of proper divisors (its aliquot sum) s(n): 199143400
- 138954920 is an abundant number, because the sum of its proper divisors (199143400) is greater than itself. Its abundance is 60188480
Bases of 138954920
- Binary: 10000100100001001000101010002
- Hexadecimal: 0x84848A8
- Base-36: 2AQAAW
Squares and roots of 138954920
- 138954920 squared (1389549202) is 19308469792206400
- 138954920 cubed (1389549203) is 2683006875298456935488000
-
The
square root of 138954920 is 11787.9141496705 -
The
cube root of 138954920 is 517.9541409291
Scales and comparisons
How big is 138954920?- 138,954,920 seconds is equal to 4 years, 21 weeks, 5 days, 6 hours, 35 minutes, 20 seconds.
-
To count from 1 to 138,954,920 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 138954920 cubic inches would be around 43.2 feet tall.
Recreational maths with 138954920
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The information we have on file for 138954920 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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