30618140
30,618,140 is an even composite number composed of five prime numbers multiplied together.
30618140 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 30618140:
22 × 5 × 72 × 157 × 199
(2 × 2 × 5 × 7 × 7 × 157 × 199)See below for interesting mathematical facts about the number 30618140 from the Numbermatics database.
Names of 30618140
- Cardinal: 30618140 can be written as Thirty million, six hundred eighteen thousand, one hundred forty.
Scientific notation
- Scientific notation: 3.061814 × 107
Factors of 30618140
Divisors of 30618140
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 49 70 98 140 157 196 199 245 314 398 490 628 785 796 980 995 1099 1393 1570 1990 2198 2786 3140 3980 4396 5495 5572 6965 7693 9751 10990 13930 15386 19502 21980 27860 30772 31243 38465 39004 48755 62486 76930 97510 124972 153860 156215 195020 218701 312430 437402 624860 874804 1093505 1530907 2187010 3061814 4374020 6123628 7654535 15309070 30618140
- Sum of all divisors σ(n): 75650400
- Sum of proper divisors (its aliquot sum) s(n): 45032260
- 30618140 is an abundant number, because the sum of its proper divisors (45032260) is greater than itself. Its abundance is 14414120
Bases of 30618140
- Binary: 11101001100110010000111002
- Hexadecimal: 0x1D3321C
- Base-36: I893W
Squares and roots of 30618140
- 30618140 squared (306181402) is 937470497059600
- 30618140 cubed (306181403) is 28703602924840421144000
-
The
square root of 30618140 is 5533.3660641603 -
The
cube root of 30618140 is 312.8428748601
Scales and comparisons
How big is 30618140?- 30,618,140 seconds is equal to 50 weeks, 4 days, 9 hours, 2 minutes, 20 seconds.
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To count from 1 to 30,618,140 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 30618140 cubic inches would be around 26.1 feet tall.
Recreational maths with 30618140
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The information we have on file for 30618140 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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