642163002
642,163,002 is an even composite number composed of four prime numbers multiplied together.
642163002 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 642163002:
2 × 3 × 13 × 8232859
See below for interesting mathematical facts about the number 642163002 from the Numbermatics database.
Names of 642163002
- Cardinal: 642163002 can be written as Six hundred forty-two million, one hundred sixty-three thousand and two.
Scientific notation
- Scientific notation: 6.42163002 × 108
Factors of 642163002
Divisors of 642163002
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 1383120480
- Sum of proper divisors (its aliquot sum) s(n): 740957478
- 642163002 is an abundant number, because the sum of its proper divisors (740957478) is greater than itself. Its abundance is 98794476
Bases of 642163002
- Binary: 1001100100011010100001001110102
- Hexadecimal: 0x2646A13A
- Base-36: AMBS56
Squares and roots of 642163002
- 642163002 squared (6421630022) is 412373321137652004
- 642163002 cubed (6421630023) is 264810889846464666119956008
-
The
square root of 642163002 is 25340.9353023917 -
The
cube root of 642163002 is 862.7436273753
Scales and comparisons
How big is 642163002?- 642,163,002 seconds is equal to 20 years, 21 weeks, 5 days, 10 hours, 36 minutes, 42 seconds.
-
To count from 1 to 642,163,002 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 642163002 cubic inches would be around 71.9 feet tall.
Recreational maths with 642163002
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