642793920
642,793,920 is an even composite number composed of four prime numbers multiplied together.
642793920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.
Prime factorization of 642793920:
26 × 3 × 5 × 669577
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 669577)See below for interesting mathematical facts about the number 642793920 from the Numbermatics database.
Names of 642793920
- Cardinal: 642793920 can be written as Six hundred forty-two million, seven hundred ninety-three thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 6.4279392 × 108
Factors of 642793920
Divisors of 642793920
- Number of divisors d(n): 56
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 669577 1339154 2008731 2678308 3347885 4017462 5356616 6695770 8034924 10043655 10713232 13391540 16069848 20087310 21426464 26783080 32139696 40174620 42852928 53566160 64279392 80349240 107132320 128558784 160698480 214264640 321396960 642793920
- Sum of all divisors σ(n): 2040873744
- Sum of proper divisors (its aliquot sum) s(n): 1398079824
- 642793920 is an abundant number, because the sum of its proper divisors (1398079824) is greater than itself. Its abundance is 755285904
Bases of 642793920
- Binary: 1001100101000001000001110000002
- Hexadecimal: 0x265041C0
- Base-36: AMPAYO
Squares and roots of 642793920
- 642793920 squared (6427939202) is 413184023588966400
- 642793920 cubed (6427939203) is 265592178204124181004288000
-
The
square root of 642793920 is 25353.3808396433 -
The
cube root of 642793920 is 863.0260802293
Scales and comparisons
How big is 642793920?- 642,793,920 seconds is equal to 20 years, 22 weeks, 5 days, 17 hours, 52 minutes.
-
To count from 1 to 642,793,920 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 642793920 cubic inches would be around 71.9 feet tall.
Recreational maths with 642793920
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The information we have on file for 642793920 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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