842138144
842,138,144 is an even composite number composed of three prime numbers multiplied together.
842138144 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 842138144:
25 × 433 × 331
(2 × 2 × 2 × 2 × 2 × 43 × 43 × 43 × 331)See below for interesting mathematical facts about the number 842138144 from the Numbermatics database.
Names of 842138144
- Cardinal: 842138144 can be written as Eight hundred forty-two million, one hundred thirty-eight thousand, one hundred forty-four.
Scientific notation
- Scientific notation: 8.42138144 × 108
Factors of 842138144
Divisors of 842138144
- Number of divisors d(n): 48
- Complete list of divisors:
- Sum of all divisors σ(n): 1702562400
- Sum of proper divisors (its aliquot sum) s(n): 860424256
- 842138144 is an abundant number, because the sum of its proper divisors (860424256) is greater than itself. Its abundance is 18286112
Bases of 842138144
- Binary: 1100100011001000000010001000002
- Hexadecimal: 0x32320220
- Base-36: DXDXY8
Squares and roots of 842138144
- 842138144 squared (8421381442) is 709196653579764736
- 842138144 cubed (8421381443) is 597241553576674030731689984
-
The
square root of 842138144 is 29019.6165377835 -
The
cube root of 842138144 is 944.3386819801
Scales and comparisons
How big is 842138144?- 842,138,144 seconds is equal to 26 years, 40 weeks, 2 days, 23 hours, 15 minutes, 44 seconds.
-
To count from 1 to 842,138,144 would take you about forty 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 842138144 cubic inches would be around 78.7 feet tall.
Recreational maths with 842138144
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