138638850
138,638,850 is an even composite number composed of six prime numbers multiplied together.
138638850 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 138638850:
2 × 3 × 52 × 7 × 292 × 157
(2 × 3 × 5 × 5 × 7 × 29 × 29 × 157)See below for interesting mathematical facts about the number 138638850 from the Numbermatics database.
Names of 138638850
- Cardinal: 138638850 can be written as One hundred thirty-eight million, six hundred thirty-eight thousand, eight hundred fifty.
Scientific notation
- Scientific notation: 1.3863885 × 108
Factors of 138638850
Divisors of 138638850
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 25 29 30 35 42 50 58 70 75 87 105 145 150 157 174 175 203 210 290 314 350 406 435 471 525 609 725 785 841 870 942 1015 1050 1099 1218 1450 1570 1682 2030 2175 2198 2355 2523 3045 3297 3925 4205 4350 4553 4710 5046 5075 5495 5887 6090 6594 7850 8410 9106 10150 10990 11774 11775 12615 13659 15225 16485 17661 21025 22765 23550 25230 27318 27475 29435 30450 31871 32970 35322 42050 45530 54950 58870 63075 63742 68295 82425 88305 95613 113825 126150 132037 136590 147175 159355 164850 176610 191226 227650 264074 294350 318710 341475 396111 441525 478065 660185 682950 792222 796775 883050 924259 956130 1320370 1593550 1848518 1980555 2390325 2772777 3300925 3961110 4621295 4780650 5545554 6601850 9242590 9902775 13863885 19805550 23106475 27727770 46212950 69319425 138638850
- Sum of all divisors σ(n): 409551168
- Sum of proper divisors (its aliquot sum) s(n): 270912318
- 138638850 is an abundant number, because the sum of its proper divisors (270912318) is greater than itself. Its abundance is 132273468
Bases of 138638850
- Binary: 10000100001101110110000000102
- Hexadecimal: 0x8437602
- Base-36: 2AJIF6
Squares and roots of 138638850
- 138638850 squared (1386388502) is 19220730729322500
- 138638850 cubed (1386388503) is 2664740004472932679125000
-
The
square root of 138638850 is 11774.4999893839 -
The
cube root of 138638850 is 517.5611260617
Scales and comparisons
How big is 138638850?- 138,638,850 seconds is equal to 4 years, 21 weeks, 1 day, 14 hours, 47 minutes, 30 seconds.
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To count from 1 to 138,638,850 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 138638850 cubic inches would be around 43.1 feet tall.
Recreational maths with 138638850
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The information we have on file for 138638850 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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