642320055
642,320,055 is an odd composite number composed of four prime numbers multiplied together.
642320055 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.
Prime factorization of 642320055:
32 × 5 × 13 × 1097983
(3 × 3 × 5 × 13 × 1097983)See below for interesting mathematical facts about the number 642320055 from the Numbermatics database.
Names of 642320055
- Cardinal: 642320055 can be written as Six hundred forty-two million, three hundred twenty thousand and fifty-five.
Scientific notation
- Scientific notation: 6.42320055 × 108
Factors of 642320055
Divisors of 642320055
- Number of divisors d(n): 24
- Complete list of divisors:
- Sum of all divisors σ(n): 1198998528
- Sum of proper divisors (its aliquot sum) s(n): 556678473
- 642320055 is a deficient number, because the sum of its proper divisors (556678473) is less than itself. Its deficiency is 85641582
Bases of 642320055
- Binary: 1001100100100100000110101101112
- Hexadecimal: 0x264906B7
- Base-36: AMF5BR
Squares and roots of 642320055
- 642320055 squared (6423200552) is 412575053055203025
- 642320055 cubed (6423200553) is 265005230770045925054166375
-
The
square root of 642320055 is 25344.0339133295 -
The
cube root of 642320055 is 862.8139550179
Scales and comparisons
How big is 642320055?- 642,320,055 seconds is equal to 20 years, 22 weeks, 6 hours, 14 minutes, 15 seconds.
-
To count from 1 to 642,320,055 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 642320055 cubic inches would be around 71.9 feet tall.
Recreational maths with 642320055
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