20438172
20,438,172 is an even composite number composed of five prime numbers multiplied together.
20438172 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 20438172:
22 × 32 × 41 × 61 × 227
(2 × 2 × 3 × 3 × 41 × 61 × 227)See below for interesting mathematical facts about the number 20438172 from the Numbermatics database.
Names of 20438172
- Cardinal: 20438172 can be written as Twenty million, four hundred thirty-eight thousand, one hundred seventy-two.
Scientific notation
- Scientific notation: 2.0438172 × 107
Factors of 20438172
Divisors of 20438172
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 9 12 18 36 41 61 82 122 123 164 183 227 244 246 366 369 454 492 549 681 732 738 908 1098 1362 1476 2043 2196 2501 2724 4086 5002 7503 8172 9307 10004 13847 15006 18614 22509 27694 27921 30012 37228 41541 45018 55388 55842 83082 83763 90036 111684 124623 166164 167526 249246 335052 498492 567727 1135454 1703181 2270908 3406362 5109543 6812724 10219086 20438172
- Sum of all divisors σ(n): 54027792
- Sum of proper divisors (its aliquot sum) s(n): 33589620
- 20438172 is an abundant number, because the sum of its proper divisors (33589620) is greater than itself. Its abundance is 13151448
Bases of 20438172
- Binary: 10011011111011100100111002
- Hexadecimal: 0x137DC9C
- Base-36: C6270
Squares and roots of 20438172
- 20438172 squared (204381722) is 417718874701584
- 20438172 cubed (204381723) is 8537410208797422464448
-
The
square root of 20438172 is 4520.8596527651 -
The
cube root of 20438172 is 273.4097618251
Scales and comparisons
How big is 20438172?- 20,438,172 seconds is equal to 33 weeks, 5 days, 13 hours, 16 minutes, 12 seconds.
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To count from 1 to 20,438,172 would take you about fifty weeks!
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 20438172 cubic inches would be around 22.8 feet tall.
Recreational maths with 20438172
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The information we have on file for 20438172 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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