20385450
20,385,450 is an even composite number composed of five prime numbers multiplied together.
20385450 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 20385450:
2 × 32 × 52 × 89 × 509
(2 × 3 × 3 × 5 × 5 × 89 × 509)See below for interesting mathematical facts about the number 20385450 from the Numbermatics database.
Names of 20385450
- Cardinal: 20385450 can be written as Twenty million, three hundred eighty-five thousand, four hundred fifty.
Scientific notation
- Scientific notation: 2.038545 × 107
Factors of 20385450
Divisors of 20385450
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 25 30 45 50 75 89 90 150 178 225 267 445 450 509 534 801 890 1018 1335 1527 1602 2225 2545 2670 3054 4005 4450 4581 5090 6675 7635 8010 9162 12725 13350 15270 20025 22905 25450 38175 40050 45301 45810 76350 90602 114525 135903 226505 229050 271806 407709 453010 679515 815418 1132525 1359030 2038545 2265050 3397575 4077090 6795150 10192725 20385450
- Sum of all divisors σ(n): 55493100
- Sum of proper divisors (its aliquot sum) s(n): 35107650
- 20385450 is an abundant number, because the sum of its proper divisors (35107650) is greater than itself. Its abundance is 14722200
Bases of 20385450
- Binary: 10011011100001110101010102
- Hexadecimal: 0x1370EAA
- Base-36: C4XII
Squares and roots of 20385450
- 20385450 squared (203854502) is 415566571702500
- 20385450 cubed (203854503) is 8471511569112728625000
-
The
square root of 20385450 is 4515.0249168747 -
The
cube root of 20385450 is 273.1744648213
Scales and comparisons
How big is 20385450?- 20,385,450 seconds is equal to 33 weeks, 4 days, 22 hours, 37 minutes, 30 seconds.
-
To count from 1 to 20,385,450 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 20385450 cubic inches would be around 22.8 feet tall.
Recreational maths with 20385450
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The information we have on file for 20385450 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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