309988242
309,988,242 is an even composite number composed of five prime numbers multiplied together.
309988242 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 309988242:
2 × 33 × 59 × 149 × 653
(2 × 3 × 3 × 3 × 59 × 149 × 653)See below for interesting mathematical facts about the number 309988242 from the Numbermatics database.
Names of 309988242
- Cardinal: 309988242 can be written as Three hundred nine million, nine hundred eighty-eight thousand, two hundred forty-two.
Scientific notation
- Scientific notation: 3.09988242 × 108
Factors of 309988242
Divisors of 309988242
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 6 9 18 27 54 59 118 149 177 298 354 447 531 653 894 1062 1306 1341 1593 1959 2682 3186 3918 4023 5877 8046 8791 11754 17582 17631 26373 35262 38527 52746 77054 79119 97297 115581 158238 194594 231162 237357 291891 346743 474714 583782 693486 875673 1040229 1751346 2080458 2627019 5254038 5740523 11481046 17221569 34443138 51664707 103329414 154994121 309988242
- Sum of all divisors σ(n): 706320000
- Sum of proper divisors (its aliquot sum) s(n): 396331758
- 309988242 is an abundant number, because the sum of its proper divisors (396331758) is greater than itself. Its abundance is 86343516
Bases of 309988242
- Binary: 100100111101000001011100100102
- Hexadecimal: 0x127A0B92
- Base-36: 54K4GI
Squares and roots of 309988242
- 309988242 squared (3099882422) is 96092710178250564
- 309988242 cubed (3099882423) is 29787610297171398969868488
-
The
square root of 309988242 is 17606.4829537305 -
The
cube root of 309988242 is 676.7813884399
Scales and comparisons
How big is 309988242?- 309,988,242 seconds is equal to 9 years, 44 weeks, 3 days, 19 hours, 50 minutes, 42 seconds.
-
To count from 1 to 309,988,242 would take you about fourteen 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 309988242 cubic inches would be around 56.4 feet tall.
Recreational maths with 309988242
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