642439168
642,439,168 is an even composite number composed of four prime numbers multiplied together.
642439168 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 642439168:
211 × 7 × 41 × 1093
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 41 × 1093)See below for interesting mathematical facts about the number 642439168 from the Numbermatics database.
Names of 642439168
- Cardinal: 642439168 can be written as Six hundred forty-two million, four hundred thirty-nine thousand, one hundred sixty-eight.
Scientific notation
- Scientific notation: 6.42439168 × 108
Factors of 642439168
Divisors of 642439168
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 7 8 14 16 28 32 41 56 64 82 112 128 164 224 256 287 328 448 512 574 656 896 1024 1093 1148 1312 1792 2048 2186 2296 2624 3584 4372 4592 5248 7168 7651 8744 9184 10496 14336 15302 17488 18368 20992 30604 34976 36736 41984 44813 61208 69952 73472 83968 89626 122416 139904 146944 179252 244832 279808 293888 313691 358504 489664 559616 587776 627382 717008 979328 1119232 1254764 1434016 1958656 2238464 2509528 2868032 3917312 5019056 5736064 7834624 10038112 11472128 15669248 20076224 22944256 40152448 45888512 80304896 91777024 160609792 321219584 642439168
- Sum of all divisors σ(n): 1505256480
- Sum of proper divisors (its aliquot sum) s(n): 862817312
- 642439168 is an abundant number, because the sum of its proper divisors (862817312) is greater than itself. Its abundance is 220378144
Bases of 642439168
- Binary: 1001100100101011011000000000002
- Hexadecimal: 0x264AD800
- Base-36: AMHP8G
Squares and roots of 642439168
- 642439168 squared (6424391682) is 412728084580532224
- 642439168 cubed (6424391683) is 265152687268150750983749632
-
The
square root of 642439168 is 25346.3837262833 -
The
cube root of 642439168 is 862.8672856515
Scales and comparisons
How big is 642439168?- 642,439,168 seconds is equal to 20 years, 22 weeks, 1 day, 15 hours, 19 minutes, 28 seconds.
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To count from 1 to 642,439,168 would take you about thirty 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 642439168 cubic inches would be around 71.9 feet tall.
Recreational maths with 642439168
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The information we have on file for 642439168 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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