421398990
421,398,990 is an even composite number composed of five prime numbers multiplied together.
421398990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 421398990:
2 × 33 × 5 × 157 × 9941
(2 × 3 × 3 × 3 × 5 × 157 × 9941)See below for interesting mathematical facts about the number 421398990 from the Numbermatics database.
Names of 421398990
- Cardinal: 421398990 can be written as Four hundred twenty-one million, three hundred ninety-eight thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 4.2139899 × 108
Factors of 421398990
Divisors of 421398990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 157 270 314 471 785 942 1413 1570 2355 2826 4239 4710 7065 8478 9941 14130 19882 21195 29823 42390 49705 59646 89469 99410 149115 178938 268407 298230 447345 536814 894690 1342035 1560737 2684070 3121474 4682211 7803685 9364422 14046633 15607370 23411055 28093266 42139899 46822110 70233165 84279798 140466330 210699495 421398990
- Sum of all divisors σ(n): 1131001920
- Sum of proper divisors (its aliquot sum) s(n): 709602930
- 421398990 is an abundant number, because the sum of its proper divisors (709602930) is greater than itself. Its abundance is 288203940
Bases of 421398990
- Binary: 110010001111000001001110011102
- Hexadecimal: 0x191E09CE
- Base-36: 6YW1JI
Squares and roots of 421398990
- 421398990 squared (4213989902) is 177577108773020100
- 421398990 cubed (4213989903) is 74830814284070809389699000
-
The
square root of 421398990 is 20528.0050175365 -
The
cube root of 421398990 is 749.7178138413
Scales and comparisons
How big is 421398990?- 421,398,990 seconds is equal to 13 years, 20 weeks, 5 days, 7 hours, 16 minutes, 30 seconds.
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To count from 1 to 421,398,990 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 421398990 cubic inches would be around 62.5 feet tall.
Recreational maths with 421398990
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