213438390
213,438,390 is an even composite number composed of seven prime numbers multiplied together.
213438390 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 213438390:
2 × 3 × 5 × 11 × 23 × 61 × 461
See below for interesting mathematical facts about the number 213438390 from the Numbermatics database.
Names of 213438390
- Cardinal: 213438390 can be written as Two hundred thirteen million, four hundred thirty-eight thousand, three hundred ninety.
Scientific notation
- Scientific notation: 2.1343839 × 108
Factors of 213438390
Divisors of 213438390
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 10 11 15 22 23 30 33 46 55 61 66 69 110 115 122 138 165 183 230 253 305 330 345 366 461 506 610 671 690 759 915 922 1265 1342 1383 1403 1518 1830 2013 2305 2530 2766 2806 3355 3795 4026 4209 4610 5071 6710 6915 7015 7590 8418 10065 10142 10603 13830 14030 15213 15433 20130 21045 21206 25355 28121 30426 30866 31809 42090 46299 50710 53015 56242 63618 76065 77165 84363 92598 106030 116633 140605 152130 154330 159045 168726 231495 233266 281210 309331 318090 349899 421815 462990 583165 618662 646783 699798 843630 927993 1166330 1293566 1546655 1749495 1855986 1940349 3093310 3233915 3498990 3880698 4639965 6467830 7114613 9279930 9701745 14229226 19403490 21343839 35573065 42687678 71146130 106719195 213438390
- Sum of all divisors σ(n): 593961984
- Sum of proper divisors (its aliquot sum) s(n): 380523594
- 213438390 is an abundant number, because the sum of its proper divisors (380523594) is greater than itself. Its abundance is 167085204
Bases of 213438390
- Binary: 11001011100011001111101101102
- Hexadecimal: 0xCB8CFB6
- Base-36: 3J2Q46
Squares and roots of 213438390
- 213438390 squared (2134383902) is 45555946325792100
- 213438390 cubed (2134383903) is 9723387838703481298719000
-
The
square root of 213438390 is 14609.5307932869 -
The
cube root of 213438390 is 597.6187004125
Scales and comparisons
How big is 213438390?- 213,438,390 seconds is equal to 6 years, 40 weeks, 6 days, 8 hours, 26 minutes, 30 seconds.
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To count from 1 to 213,438,390 would take you about ten 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 213438390 cubic inches would be around 49.8 feet tall.
Recreational maths with 213438390
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