420990984
420,990,984 is an even composite number composed of four prime numbers multiplied together.
420990984 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 420990984:
23 × 32 × 43 × 135979
(2 × 2 × 2 × 3 × 3 × 43 × 135979)See below for interesting mathematical facts about the number 420990984 from the Numbermatics database.
Names of 420990984
- Cardinal: 420990984 can be written as Four hundred twenty million, nine hundred ninety thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 4.20990984 × 108
Factors of 420990984
Divisors of 420990984
- Number of divisors d(n): 48
- Complete list of divisors:
- Sum of all divisors σ(n): 1166708400
- Sum of proper divisors (its aliquot sum) s(n): 745717416
- 420990984 is an abundant number, because the sum of its proper divisors (745717416) is greater than itself. Its abundance is 324726432
Bases of 420990984
- Binary: 110010001011111010000000010002
- Hexadecimal: 0x1917D008
- Base-36: 6YNAQ0
Squares and roots of 420990984
- 420990984 squared (4209909842) is 177233408609288256
- 420990984 cubed (4209909843) is 74613667088098334433083904
-
The
square root of 420990984 is 20518.0648210303 -
The
cube root of 420990984 is 749.4757723327
Scales and comparisons
How big is 420990984?- 420,990,984 seconds is equal to 13 years, 20 weeks, 13 hours, 56 minutes, 24 seconds.
-
To count from 1 to 420,990,984 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 420990984 cubic inches would be around 62.5 feet tall.
Recreational maths with 420990984
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