990476721
990,476,721 is an odd composite number composed of four prime numbers multiplied together.
990476721 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 990476721:
33 × 132 × 131 × 1657
(3 × 3 × 3 × 13 × 13 × 131 × 1657)See below for interesting mathematical facts about the number 990476721 from the Numbermatics database.
Names of 990476721
- Cardinal: 990476721 can be written as Nine hundred ninety million, four hundred seventy-six thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 9.90476721 × 108
Factors of 990476721
Divisors of 990476721
- Number of divisors d(n): 48
- Complete list of divisors:
- Sum of all divisors σ(n): 1602025920
- Sum of proper divisors (its aliquot sum) s(n): 611549199
- 990476721 is a deficient number, because the sum of its proper divisors (611549199) is less than itself. Its deficiency is 378927522
Bases of 990476721
- Binary: 1110110000100101111001101100012
- Hexadecimal: 0x3B0979B1
- Base-36: GDPCQ9
Squares and roots of 990476721
- 990476721 squared (9904767212) is 981044134842911841
- 990476721 cubed (9904767213) is 971701377835489170365753361
-
The
square root of 990476721 is 31471.8401273265 -
The
cube root of 990476721 is 996.8154430289
Scales and comparisons
How big is 990476721?- 990,476,721 seconds is equal to 31 years, 25 weeks, 4 days, 20 hours, 25 minutes, 21 seconds.
-
To count from 1 to 990,476,721 would take you about forty-seven 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 990476721 cubic inches would be around 83.1 feet tall.
Recreational maths with 990476721
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