13005780
13,005,780 is an even composite number composed of five prime numbers multiplied together.
13005780 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 13005780:
22 × 3 × 5 × 43 × 712
(2 × 2 × 3 × 5 × 43 × 71 × 71)See below for interesting mathematical facts about the number 13005780 from the Numbermatics database.
Names of 13005780
- Cardinal: 13005780 can be written as Thirteen million, five thousand, seven hundred eighty.
Scientific notation
- Scientific notation: 1.300578 × 107
Factors of 13005780
Divisors of 13005780
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 43 60 71 86 129 142 172 213 215 258 284 355 426 430 516 645 710 852 860 1065 1290 1420 2130 2580 3053 4260 5041 6106 9159 10082 12212 15123 15265 18318 20164 25205 30246 30530 36636 45795 50410 60492 61060 75615 91590 100820 151230 183180 216763 302460 433526 650289 867052 1083815 1300578 2167630 2601156 3251445 4335260 6502890 13005780
- Sum of all divisors σ(n): 37795296
- Sum of proper divisors (its aliquot sum) s(n): 24789516
- 13005780 is an abundant number, because the sum of its proper divisors (24789516) is greater than itself. Its abundance is 11783736
Bases of 13005780
- Binary: 1100011001110011110101002
- Hexadecimal: 0xC673D4
- Base-36: 7QRBO
Squares and roots of 13005780
- 13005780 squared (130057802) is 169150313408400
- 13005780 cubed (130057803) is 2199931763120700552000
-
The
square root of 13005780 is 3606.3527281729 -
The
cube root of 13005780 is 235.1683115945
Scales and comparisons
How big is 13005780?- 13,005,780 seconds is equal to 21 weeks, 3 days, 12 hours, 43 minutes.
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To count from 1 to 13,005,780 would take you about thirty-two 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 13005780 cubic inches would be around 19.6 feet tall.
Recreational maths with 13005780
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The information we have on file for 13005780 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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