138961980
138,961,980 is an even composite number composed of four prime numbers multiplied together.
138961980 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 138961980:
22 × 39 × 5 × 353
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 353)See below for interesting mathematical facts about the number 138961980 from the Numbermatics database.
Names of 138961980
- Cardinal: 138961980 can be written as One hundred thirty-eight million, nine hundred sixty-one thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 1.3896198 × 108
Factors of 138961980
Divisors of 138961980
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 353 405 486 540 706 729 810 972 1059 1215 1412 1458 1620 1765 2118 2187 2430 2916 3177 3530 3645 4236 4374 4860 5295 6354 6561 7060 7290 8748 9531 10590 10935 12708 13122 14580 15885 19062 19683 21180 21870 26244 28593 31770 32805 38124 39366 43740 47655 57186 63540 65610 78732 85779 95310 98415 114372 131220 142965 171558 190620 196830 257337 285930 343116 393660 428895 514674 571860 772011 857790 1029348 1286685 1544022 1715580 2316033 2573370 3088044 3860055 4632066 5146740 6948099 7720110 9264132 11580165 13896198 15440220 23160330 27792396 34740495 46320660 69480990 138961980
- Sum of all divisors σ(n): 438962832
- Sum of proper divisors (its aliquot sum) s(n): 300000852
- 138961980 is an abundant number, because the sum of its proper divisors (300000852) is greater than itself. Its abundance is 161038872
Bases of 138961980
- Binary: 10000100100001100100001111002
- Hexadecimal: 0x848643C
- Base-36: 2AQFR0
Squares and roots of 138961980
- 138961980 squared (1389619802) is 19310431885520400
- 138961980 cubed (1389619803) is 2683415849467048114392000
-
The
square root of 138961980 is 11788.2136051227 -
The
cube root of 138961980 is 517.9629128251
Scales and comparisons
How big is 138961980?- 138,961,980 seconds is equal to 4 years, 21 weeks, 5 days, 8 hours, 33 minutes.
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To count from 1 to 138,961,980 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 138961980 cubic inches would be around 43.2 feet tall.
Recreational maths with 138961980
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The information we have on file for 138961980 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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