421987940
421,987,940 is an even composite number composed of five prime numbers multiplied together.
421987940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 421987940:
22 × 5 × 11 × 17 × 112831
(2 × 2 × 5 × 11 × 17 × 112831)See below for interesting mathematical facts about the number 421987940 from the Numbermatics database.
Names of 421987940
- Cardinal: 421987940 can be written as Four hundred twenty-one million, nine hundred eighty-seven thousand, nine hundred forty.
Scientific notation
- Scientific notation: 4.2198794 × 108
Factors of 421987940
Divisors of 421987940
- Number of divisors d(n): 48
- Complete list of divisors:
- Sum of all divisors σ(n): 1023611904
- Sum of proper divisors (its aliquot sum) s(n): 601623964
- 421987940 is an abundant number, because the sum of its proper divisors (601623964) is greater than itself. Its abundance is 179636024
Bases of 421987940
- Binary: 110010010011100000110011001002
- Hexadecimal: 0x19270664
- Base-36: 6Z8NZ8
Squares and roots of 421987940
- 421987940 squared (4219879402) is 178073821505443600
- 421987940 cubed (4219879403) is 75145005105009843550184000
-
The
square root of 421987940 is 20542.3450462697 -
The
cube root of 421987940 is 750.0669214359
Scales and comparisons
How big is 421987940?- 421,987,940 seconds is equal to 13 years, 21 weeks, 5 days, 2 hours, 52 minutes, 20 seconds.
-
To count from 1 to 421,987,940 would take you about twenty 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 421987940 cubic inches would be around 62.5 feet tall.
Recreational maths with 421987940
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