138087684
138,087,684 is an even composite number composed of five prime numbers multiplied together.
138087684 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138087684:
22 × 32 × 73 × 53 × 211
(2 × 2 × 3 × 3 × 7 × 7 × 7 × 53 × 211)See below for interesting mathematical facts about the number 138087684 from the Numbermatics database.
Names of 138087684
- Cardinal: 138087684 can be written as One hundred thirty-eight million, eighty-seven thousand, six hundred eighty-four.
Scientific notation
- Scientific notation: 1.38087684 × 108
Factors of 138087684
Divisors of 138087684
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 53 63 84 98 106 126 147 159 196 211 212 252 294 318 343 371 422 441 477 588 633 636 686 742 844 882 954 1029 1113 1266 1372 1477 1484 1764 1899 1908 2058 2226 2532 2597 2954 3087 3339 3798 4116 4431 4452 5194 5908 6174 6678 7596 7791 8862 10339 10388 11183 12348 13293 13356 15582 17724 18179 20678 22366 23373 26586 31017 31164 33549 36358 41356 44732 46746 53172 54537 62034 67098 72373 72716 78281 93051 93492 100647 109074 124068 134196 144746 156562 163611 186102 201294 217119 218148 234843 289492 313124 327222 372204 402588 434238 469686 547967 651357 654444 704529 868476 939372 1095934 1302714 1409058 1643901 2191868 2605428 2818116 3287802 3835769 4931703 6575604 7671538 9863406 11507307 15343076 19726812 23014614 34521921 46029228 69043842 138087684
- Sum of all divisors σ(n): 416707200
- Sum of proper divisors (its aliquot sum) s(n): 278619516
- 138087684 is an abundant number, because the sum of its proper divisors (278619516) is greater than itself. Its abundance is 140531832
Bases of 138087684
- Binary: 10000011101100001101000001002
- Hexadecimal: 0x83B0D04
- Base-36: 2A7P50
Squares and roots of 138087684
- 138087684 squared (1380876842) is 19068208472483856
- 138087684 cubed (1380876843) is 2633084745994473402429504
-
The
square root of 138087684 is 11751.0716107085 -
The
cube root of 138087684 is 516.8743513767
Scales and comparisons
How big is 138087684?- 138,087,684 seconds is equal to 4 years, 20 weeks, 2 days, 5 hours, 41 minutes, 24 seconds.
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To count from 1 to 138,087,684 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 138087684 cubic inches would be around 43.1 feet tall.
Recreational maths with 138087684
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