13005440
13,005,440 is an even composite number composed of four prime numbers multiplied together.
13005440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 13005440:
27 × 5 × 7 × 2903
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 2903)See below for interesting mathematical facts about the number 13005440 from the Numbermatics database.
Names of 13005440
- Cardinal: 13005440 can be written as Thirteen million, five thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.300544 × 107
Factors of 13005440
Divisors of 13005440
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 2903 4480 5806 11612 14515 20321 23224 29030 40642 46448 58060 81284 92896 101605 116120 162568 185792 203210 232240 325136 371584 406420 464480 650272 812840 928960 1300544 1625680 1857920 2601088 3251360 6502720 13005440
- Sum of all divisors σ(n): 35544960
- Sum of proper divisors (its aliquot sum) s(n): 22539520
- 13005440 is an abundant number, because the sum of its proper divisors (22539520) is greater than itself. Its abundance is 9534080
Bases of 13005440
- Binary: 1100011001110010100000002
- Hexadecimal: 0xC67280
- Base-36: 7QR28
Squares and roots of 13005440
- 13005440 squared (130054402) is 169141469593600
- 13005440 cubed (130054403) is 2199759234311389184000
-
The
square root of 13005440 is 3606.3055888263 -
The
cube root of 13005440 is 235.1662623025
Scales and comparisons
How big is 13005440?- 13,005,440 seconds is equal to 21 weeks, 3 days, 12 hours, 37 minutes, 20 seconds.
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To count from 1 to 13,005,440 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 13005440 cubic inches would be around 19.6 feet tall.
Recreational maths with 13005440
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The information we have on file for 13005440 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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