12540080
12,540,080 is an even composite number composed of four prime numbers multiplied together.
12540080 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 12540080:
24 × 5 × 73 × 457
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 457)See below for interesting mathematical facts about the number 12540080 from the Numbermatics database.
Names of 12540080
- Cardinal: 12540080 can be written as Twelve million, five hundred forty thousand and eighty.
Scientific notation
- Scientific notation: 1.254008 × 107
Factors of 12540080
Divisors of 12540080
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 343 392 457 490 560 686 784 914 980 1372 1715 1828 1960 2285 2744 3199 3430 3656 3920 4570 5488 6398 6860 7312 9140 12796 13720 15995 18280 22393 25592 27440 31990 36560 44786 51184 63980 89572 111965 127960 156751 179144 223930 255920 313502 358288 447860 627004 783755 895720 1254008 1567510 1791440 2508016 3135020 6270040 12540080
- Sum of all divisors σ(n): 34075200
- Sum of proper divisors (its aliquot sum) s(n): 21535120
- 12540080 is an abundant number, because the sum of its proper divisors (21535120) is greater than itself. Its abundance is 8995040
Bases of 12540080
- Binary: 1011111101011000101100002
- Hexadecimal: 0xBF58B0
- Base-36: 7GRZK
Squares and roots of 12540080
- 12540080 squared (125400802) is 157253606406400
- 12540080 cubed (125400803) is 1971972804624768512000
-
The
square root of 12540080 is 3541.1975375571 -
The
cube root of 12540080 is 232.3272235471
Scales and comparisons
How big is 12540080?- 12,540,080 seconds is equal to 20 weeks, 5 days, 3 hours, 21 minutes, 20 seconds.
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To count from 1 to 12,540,080 would take you about thirty-one 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 12540080 cubic inches would be around 19.4 feet tall.
Recreational maths with 12540080
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