30345640
30,345,640 is an even composite number composed of four prime numbers multiplied together.
30345640 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 30345640:
23 × 5 × 132 × 672
(2 × 2 × 2 × 5 × 13 × 13 × 67 × 67)See below for interesting mathematical facts about the number 30345640 from the Numbermatics database.
Names of 30345640
- Cardinal: 30345640 can be written as Thirty million, three hundred forty-five thousand, six hundred forty.
Scientific notation
- Scientific notation: 3.034564 × 107
Factors of 30345640
Divisors of 30345640
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 52 65 67 104 130 134 169 260 268 335 338 520 536 670 676 845 871 1340 1352 1690 1742 2680 3380 3484 4355 4489 6760 6968 8710 8978 11323 17420 17956 22445 22646 34840 35912 44890 45292 56615 58357 89780 90584 113230 116714 179560 226460 233428 291785 452920 466856 583570 758641 1167140 1517282 2334280 3034564 3793205 6069128 7586410 15172820 30345640
- Sum of all divisors σ(n): 75053790
- Sum of proper divisors (its aliquot sum) s(n): 44708150
- 30345640 is an abundant number, because the sum of its proper divisors (44708150) is greater than itself. Its abundance is 14362510
Bases of 30345640
- Binary: 11100111100001001101010002
- Hexadecimal: 0x1CF09A8
- Base-36: I2EUG
Squares and roots of 30345640
- 30345640 squared (303456402) is 920857867009600
- 30345640 cubed (303456403) is 27944021323441198144000
-
The
square root of 30345640 is 5508.6876840133 -
The
cube root of 30345640 is 311.9120122257
Scales and comparisons
How big is 30345640?- 30,345,640 seconds is equal to 50 weeks, 1 day, 5 hours, 20 minutes, 40 seconds.
-
To count from 1 to 30,345,640 would take you about twenty-three 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 30345640 cubic inches would be around 26 feet tall.
Recreational maths with 30345640
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The information we have on file for 30345640 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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