381481128
381,481,128 is an even composite number composed of five prime numbers multiplied together.
381481128 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 381481128:
23 × 32 × 7 × 23 × 32909
(2 × 2 × 2 × 3 × 3 × 7 × 23 × 32909)See below for interesting mathematical facts about the number 381481128 from the Numbermatics database.
Names of 381481128
- Cardinal: 381481128 can be written as Three hundred eighty-one million, four hundred eighty-one thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 3.81481128 × 108
Factors of 381481128
Divisors of 381481128
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 23 24 28 36 42 46 56 63 69 72 84 92 126 138 161 168 184 207 252 276 322 414 483 504 552 644 828 966 1288 1449 1656 1932 2898 3864 5796 11592 32909 65818 98727 131636 197454 230363 263272 296181 394908 460726 592362 691089 756907 789816 921452 1184724 1382178 1513814 1842904 2073267 2270721 2369448 2764356 3027628 4146534 4541442 5298349 5528712 6055256 6812163 8293068 9082884 10596698 13624326 15895047 16586136 18165768 21193396 27248652 31790094 42386792 47685141 54497304 63580188 95370282 127160376 190740564 381481128
- Sum of all divisors σ(n): 1232150400
- Sum of proper divisors (its aliquot sum) s(n): 850669272
- 381481128 is an abundant number, because the sum of its proper divisors (850669272) is greater than itself. Its abundance is 469188144
Bases of 381481128
- Binary: 101101011110011110000101010002
- Hexadecimal: 0x16BCF0A8
- Base-36: 6B4GQ0
Squares and roots of 381481128
- 381481128 squared (3814811282) is 145527851020152384
- 381481128 cubed (3814811283) is 55516128762583682180209152
-
The
square root of 381481128 is 19531.5418746191 -
The
cube root of 381481128 is 725.2554806311
Scales and comparisons
How big is 381481128?- 381,481,128 seconds is equal to 12 years, 6 weeks, 5 days, 6 hours, 58 minutes, 48 seconds.
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To count from 1 to 381,481,128 would take you about eighteen 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 381481128 cubic inches would be around 60.4 feet tall.
Recreational maths with 381481128
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