842420988
842,420,988 is an even composite number composed of four prime numbers multiplied together.
842420988 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.
Prime factorization of 842420988:
22 × 32 × 6121 × 3823
(2 × 2 × 3 × 3 × 6121 × 3823)See below for interesting mathematical facts about the number 842420988 from the Numbermatics database.
Names of 842420988
- Cardinal: 842420988 can be written as Eight hundred forty-two million, four hundred twenty thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 8.42420988 × 108
Factors of 842420988
Divisors of 842420988
- Number of divisors d(n): 36
- Complete list of divisors:
- Sum of all divisors σ(n): 2130358048
- Sum of proper divisors (its aliquot sum) s(n): 1287937060
- 842420988 is an abundant number, because the sum of its proper divisors (1287937060) is greater than itself. Its abundance is 445516072
Bases of 842420988
- Binary: 1100100011011001010010111111002
- Hexadecimal: 0x323652FC
- Base-36: DXK070
Squares and roots of 842420988
- 842420988 squared (8424209882) is 709673121022896144
- 842420988 cubed (8424209883) is 597843531769151740249870272
-
The
square root of 842420988 is 29024.4894528741 -
The
cube root of 842420988 is 944.4443933113
Scales and comparisons
How big is 842420988?- 842,420,988 seconds is equal to 26 years, 40 weeks, 6 days, 5 hours, 49 minutes, 48 seconds.
-
To count from 1 to 842,420,988 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 842420988 cubic inches would be around 78.7 feet tall.
Recreational maths with 842420988
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