138844020
138,844,020 is an even composite number composed of seven prime numbers multiplied together.
138844020 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138844020:
22 × 3 × 5 × 7 × 19 × 127 × 137
(2 × 2 × 3 × 5 × 7 × 19 × 127 × 137)See below for interesting mathematical facts about the number 138844020 from the Numbermatics database.
Names of 138844020
- Cardinal: 138844020 can be written as One hundred thirty-eight million, eight hundred forty-four thousand and twenty.
Scientific notation
- Scientific notation: 1.3884402 × 108
Factors of 138844020
Divisors of 138844020
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 57 60 70 76 84 95 105 114 127 133 137 140 190 210 228 254 266 274 285 380 381 399 411 420 508 532 548 570 635 665 685 762 798 822 889 959 1140 1270 1330 1370 1524 1596 1644 1778 1905 1918 1995 2055 2413 2540 2603 2660 2667 2740 2877 3556 3810 3836 3990 4110 4445 4795 4826 5206 5334 5754 7239 7620 7809 7980 8220 8890 9590 9652 10412 10668 11508 12065 13015 13335 14385 14478 15618 16891 17399 17780 18221 19180 24130 26030 26670 28770 28956 31236 33782 34798 36195 36442 39045 48260 50673 52060 52197 53340 54663 57540 67564 69596 72390 72884 78090 84455 86995 91105 101346 104394 109326 121793 144780 156180 168910 173990 182210 202692 208788 218652 243586 253365 260985 273315 330581 337820 347980 364420 365379 487172 506730 521970 546630 608965 661162 730758 991743 1013460 1043940 1093260 1217930 1322324 1461516 1652905 1826895 1983486 2314067 2435860 3305810 3653790 3966972 4628134 4958715 6611620 6942201 7307580 9256268 9917430 11570335 13884402 19834860 23140670 27768804 34711005 46281340 69422010 138844020
- Sum of all divisors σ(n): 474808320
- Sum of proper divisors (its aliquot sum) s(n): 335964300
- 138844020 is an abundant number, because the sum of its proper divisors (335964300) is greater than itself. Its abundance is 197120280
Bases of 138844020
- Binary: 10000100011010010111011101002
- Hexadecimal: 0x8469774
- Base-36: 2ANWQC
Squares and roots of 138844020
- 138844020 squared (1388440202) is 19277661889760400
- 138844020 cubed (1388440203) is 2676588072975130772808000
-
The
square root of 138844020 is 11783.2092402707 -
The
cube root of 138844020 is 517.8163110915
Scales and comparisons
How big is 138844020?- 138,844,020 seconds is equal to 4 years, 21 weeks, 3 days, 23 hours, 47 minutes.
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To count from 1 to 138,844,020 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 138844020 cubic inches would be around 43.2 feet tall.
Recreational maths with 138844020
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