809642421
809,642,421 is an odd composite number composed of five prime numbers multiplied together.
809642421 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 809642421:
32 × 7 × 19 × 313 × 2161
(3 × 3 × 7 × 19 × 313 × 2161)See below for interesting mathematical facts about the number 809642421 from the Numbermatics database.
Names of 809642421
- Cardinal: 809642421 can be written as Eight hundred nine million, six hundred forty-two thousand, four hundred twenty-one.
Scientific notation
- Scientific notation: 8.09642421 × 108
Factors of 809642421
Divisors of 809642421
- Number of divisors d(n): 48
- Complete list of divisors:
- Sum of all divisors σ(n): 1412045440
- Sum of proper divisors (its aliquot sum) s(n): 602403019
- 809642421 is a deficient number, because the sum of its proper divisors (602403019) is less than itself. Its deficiency is 207239402
Bases of 809642421
- Binary: 1100000100001000101001101101012
- Hexadecimal: 0x304229B5
- Base-36: DE1G39
Squares and roots of 809642421
- 809642421 squared (8096424212) is 655520849882741241
- 809642421 cubed (8096424213) is 530737487915040184479784461
-
The
square root of 809642421 is 28454.2162253681 -
The
cube root of 809642421 is 932.0325610911
Scales and comparisons
How big is 809642421?- 809,642,421 seconds is equal to 25 years, 38 weeks, 4 days, 20 hours, 40 minutes, 21 seconds.
-
To count from 1 to 809,642,421 would take you about thirty-eight 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 809642421 cubic inches would be around 77.7 feet tall.
Recreational maths with 809642421
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