138871980
138,871,980 is an even composite number composed of six prime numbers multiplied together.
138871980 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138871980:
22 × 32 × 5 × 13 × 17 × 3491
(2 × 2 × 3 × 3 × 5 × 13 × 17 × 3491)See below for interesting mathematical facts about the number 138871980 from the Numbermatics database.
Names of 138871980
- Cardinal: 138871980 can be written as One hundred thirty-eight million, eight hundred seventy-one thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 1.3887198 × 108
Factors of 138871980
Divisors of 138871980
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 30 34 36 39 45 51 52 60 65 68 78 85 90 102 117 130 153 156 170 180 195 204 221 234 255 260 306 340 390 442 468 510 585 612 663 765 780 884 1020 1105 1170 1326 1530 1989 2210 2340 2652 3060 3315 3491 3978 4420 6630 6982 7956 9945 10473 13260 13964 17455 19890 20946 31419 34910 39780 41892 45383 52365 59347 62838 69820 90766 104730 118694 125676 136149 157095 178041 181532 209460 226915 237388 272298 296735 314190 356082 408447 453830 534123 544596 593470 628380 680745 712164 771511 816894 890205 907660 1068246 1186940 1361490 1543022 1633788 1780410 2042235 2136492 2314533 2670615 2722980 3086044 3560820 3857555 4084470 4629066 5341230 6943599 7715110 8168940 9258132 10682460 11572665 13887198 15430220 23145330 27774396 34717995 46290660 69435990 138871980
- Sum of all divisors σ(n): 480471264
- Sum of proper divisors (its aliquot sum) s(n): 341599284
- 138871980 is an abundant number, because the sum of its proper divisors (341599284) is greater than itself. Its abundance is 202727304
Bases of 138871980
- Binary: 10000100011100000100101011002
- Hexadecimal: 0x84704AC
- Base-36: 2AOIB0
Squares and roots of 138871980
- 138871980 squared (1388719802) is 19285426829120400
- 138871980 cubed (1388719803) is 2678205408905071606392000
-
The
square root of 138871980 is 11784.3956145405 -
The
cube root of 138871980 is 517.8510675331
Scales and comparisons
How big is 138871980?- 138,871,980 seconds is equal to 4 years, 21 weeks, 4 days, 7 hours, 33 minutes.
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To count from 1 to 138,871,980 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 138871980 cubic inches would be around 43.2 feet tall.
Recreational maths with 138871980
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The information we have on file for 138871980 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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