421864872
421,864,872 is an even composite number composed of five prime numbers multiplied together.
421864872 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 421864872:
23 × 3 × 11 × 13 × 122921
(2 × 2 × 2 × 3 × 11 × 13 × 122921)See below for interesting mathematical facts about the number 421864872 from the Numbermatics database.
Names of 421864872
- Cardinal: 421864872 can be written as Four hundred twenty-one million, eight hundred sixty-four thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 4.21864872 × 108
Factors of 421864872
Divisors of 421864872
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 122921 245842 368763 491684 737526 983368 1352131 1475052 1597973 2704262 2950104 3195946 4056393 4793919 5408524 6391892 8112786 9587838 10817048 12783784 16225572 17577703 19175676 32451144 35155406 38351352 52733109 70310812 105466218 140621624 210932436 421864872
- Sum of all divisors σ(n): 1239053760
- Sum of proper divisors (its aliquot sum) s(n): 817188888
- 421864872 is an abundant number, because the sum of its proper divisors (817188888) is greater than itself. Its abundance is 395324016
Bases of 421864872
- Binary: 110010010010100100101101010002
- Hexadecimal: 0x192525A8
- Base-36: 6Z610O
Squares and roots of 421864872
- 421864872 squared (4218648722) is 177969970227576384
- 421864872 cubed (4218648723) is 75079278709900322106382848
-
The
square root of 421864872 is 20539.3493567835 -
The
cube root of 421864872 is 749.9939981741
Scales and comparisons
How big is 421864872?- 421,864,872 seconds is equal to 13 years, 21 weeks, 3 days, 16 hours, 41 minutes, 12 seconds.
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To count from 1 to 421,864,872 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 421864872 cubic inches would be around 62.5 feet tall.
Recreational maths with 421864872
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