30985240
30,985,240 is an even composite number composed of five prime numbers multiplied together.
30985240 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 30985240:
23 × 5 × 11 × 13 × 5417
(2 × 2 × 2 × 5 × 11 × 13 × 5417)See below for interesting mathematical facts about the number 30985240 from the Numbermatics database.
Names of 30985240
- Cardinal: 30985240 can be written as Thirty million, nine hundred eighty-five thousand, two hundred forty.
Scientific notation
- Scientific notation: 3.098524 × 107
Factors of 30985240
Divisors of 30985240
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5417 5720 10834 21668 27085 43336 54170 59587 70421 108340 119174 140842 216680 238348 281684 297935 352105 476696 563368 595870 704210 774631 1191740 1408420 1549262 2383480 2816840 3098524 3873155 6197048 7746310 15492620 30985240
- Sum of all divisors σ(n): 81920160
- Sum of proper divisors (its aliquot sum) s(n): 50934920
- 30985240 is an abundant number, because the sum of its proper divisors (50934920) is greater than itself. Its abundance is 19949680
Bases of 30985240
- Binary: 11101100011001100000110002
- Hexadecimal: 0x1D8CC18
- Base-36: IG4D4
Squares and roots of 30985240
- 30985240 squared (309852402) is 960085097857600
- 30985240 cubed (309852403) is 29748467177541221824000
-
The
square root of 30985240 is 5566.4387178877 -
The
cube root of 30985240 is 314.0882005731
Scales and comparisons
How big is 30985240?- 30,985,240 seconds is equal to 51 weeks, 1 day, 15 hours, 40 seconds.
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To count from 1 to 30,985,240 would take you about twenty-four 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 30985240 cubic inches would be around 26.2 feet tall.
Recreational maths with 30985240
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The information we have on file for 30985240 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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