420397988721
420,397,988,721 is an odd composite number composed of four prime numbers multiplied together.
What does the number 420397988721 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.
420397988721 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 420397988721:
3 × 41 × 739 × 4624993
See below for interesting mathematical facts about the number 420397988721 from the Numbermatics database.
Names of 420397988721
- Cardinal: 420397988721 can be written as Four hundred twenty billion, three hundred ninety-seven million, nine hundred eighty-eight thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 4.20397988721 × 1011
Factors of 420397988721
Divisors of 420397988721
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 574979254080
- Sum of proper divisors (its aliquot sum) s(n): 154581265359
- 420397988721 is a deficient number, because the sum of its proper divisors (154581265359) is less than itself. Its deficiency is 265816723362
Bases of 420397988721
- Binary: 1100001111000011010110000111011011100012
- Hexadecimal: 0x61E1AC3B71
- Base-36: 5D4M3W4X
Squares and roots of 420397988721
- 420397988721 squared (4203979887212) is 176734468920662043215841
- 420397988721 cubed (4203979887213) is 74298815271920406687705939286529361
-
The
square root of 420397988721 is 648381.0520989953 -
The
cube root of 420397988721 is 7491.2371061151
Scales and comparisons
How big is 420397988721?- 420,397,988,721 seconds is equal to 13,367 years, 18 weeks, 3 days, 11 hours, 5 minutes, 21 seconds.
-
To count from 1 to 420,397,988,721 would take you about twenty-six thousand, seven hundred thirty-four 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 420397988721 cubic inches would be around 624.3 feet tall.
Recreational maths with 420397988721
- 420397988721 backwards is 127889793024
- The number of decimal digits it has is: 12
- The sum of 420397988721's digits is 60
- More coming soon!
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