664355742
664,355,742 is an even composite number composed of four prime numbers multiplied together.
664355742 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 664355742:
2 × 3 × 53 × 2089169
See below for interesting mathematical facts about the number 664355742 from the Numbermatics database.
Names of 664355742
- Cardinal: 664355742 can be written as Six hundred sixty-four million, three hundred fifty-five thousand, seven hundred forty-two.
Scientific notation
- Scientific notation: 6.64355742 × 108
Factors of 664355742
Divisors of 664355742
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 1353782160
- Sum of proper divisors (its aliquot sum) s(n): 689426418
- 664355742 is an abundant number, because the sum of its proper divisors (689426418) is greater than itself. Its abundance is 25070676
Bases of 664355742
- Binary: 1001111001100101000011100111102
- Hexadecimal: 0x2799439E
- Base-36: AZJG66
Squares and roots of 664355742
- 664355742 squared (6643557422) is 441368551928370564
- 664355742 cubed (6643557423) is 293225731811838156897178488
-
The
square root of 664355742 is 25775.0992626603 -
The
cube root of 664355742 is 872.5699068515
Scales and comparisons
How big is 664355742?- 664,355,742 seconds is equal to 21 years, 6 weeks, 3 days, 7 hours, 15 minutes, 42 seconds.
-
To count from 1 to 664,355,742 would take you about thirty-one 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 664355742 cubic inches would be around 72.7 feet tall.
Recreational maths with 664355742
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