642428544
642,428,544 is an even composite number composed of four prime numbers multiplied together.
642428544 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 642428544:
27 × 3 × 661 × 2531
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 661 × 2531)See below for interesting mathematical facts about the number 642428544 from the Numbermatics database.
Names of 642428544
- Cardinal: 642428544 can be written as Six hundred forty-two million, four hundred twenty-eight thousand, five hundred forty-four.
Scientific notation
- Scientific notation: 6.42428544 × 108
Factors of 642428544
Divisors of 642428544
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 661 1322 1983 2531 2644 3966 5062 5288 7593 7932 10124 10576 15186 15864 20248 21152 30372 31728 40496 42304 60744 63456 80992 84608 121488 126912 161984 242976 253824 323968 485952 971904 1672991 3345982 5018973 6691964 10037946 13383928 20075892 26767856 40151784 53535712 80303568 107071424 160607136 214142848 321214272 642428544
- Sum of all divisors σ(n): 1709707680
- Sum of proper divisors (its aliquot sum) s(n): 1067279136
- 642428544 is an abundant number, because the sum of its proper divisors (1067279136) is greater than itself. Its abundance is 424850592
Bases of 642428544
- Binary: 1001100100101010101110100000002
- Hexadecimal: 0x264AAE80
- Base-36: AMHH1C
Squares and roots of 642428544
- 642428544 squared (6424285442) is 412714434145959936
- 642428544 cubed (6424285443) is 265139533016172925166813184
-
The
square root of 642428544 is 25346.1741491691 -
The
cube root of 642428544 is 862.8625292205
Scales and comparisons
How big is 642428544?- 642,428,544 seconds is equal to 20 years, 22 weeks, 1 day, 12 hours, 22 minutes, 24 seconds.
-
To count from 1 to 642,428,544 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 642428544 cubic inches would be around 71.9 feet tall.
Recreational maths with 642428544
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The information we have on file for 642428544 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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