421242690
421,242,690 is an even composite number composed of six prime numbers multiplied together.
421242690 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 421242690:
2 × 3 × 5 × 11 × 29 × 44017
See below for interesting mathematical facts about the number 421242690 from the Numbermatics database.
Names of 421242690
- Cardinal: 421242690 can be written as Four hundred twenty-one million, two hundred forty-two thousand, six hundred ninety.
Scientific notation
- Scientific notation: 4.2124269 × 108
Factors of 421242690
Divisors of 421242690
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 10 11 15 22 29 30 33 55 58 66 87 110 145 165 174 290 319 330 435 638 870 957 1595 1914 3190 4785 9570 44017 88034 132051 220085 264102 440170 484187 660255 968374 1276493 1320510 1452561 2420935 2552986 2905122 3829479 4841870 6382465 7262805 7658958 12764930 14041423 14525610 19147395 28082846 38294790 42124269 70207115 84248538 140414230 210621345 421242690
- Sum of all divisors σ(n): 1140946560
- Sum of proper divisors (its aliquot sum) s(n): 719703870
- 421242690 is an abundant number, because the sum of its proper divisors (719703870) is greater than itself. Its abundance is 298461180
Bases of 421242690
- Binary: 110010001101110100111010000102
- Hexadecimal: 0x191BA742
- Base-36: 6YSOXU
Squares and roots of 421242690
- 421242690 squared (4212426902) is 177445403878436100
- 421242690 cubed (4212426903) is 74747579257888855757109000
-
The
square root of 421242690 is 20524.1976700673 -
The
cube root of 421242690 is 749.6251104193
Scales and comparisons
How big is 421242690?- 421,242,690 seconds is equal to 13 years, 20 weeks, 3 days, 11 hours, 51 minutes, 30 seconds.
-
To count from 1 to 421,242,690 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 421242690 cubic inches would be around 62.5 feet tall.
Recreational maths with 421242690
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