28980720
28,980,720 is an even composite number composed of four prime numbers multiplied together.
28980720 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 28980720:
24 × 33 × 5 × 13417
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 13417)See below for interesting mathematical facts about the number 28980720 from the Numbermatics database.
Names of 28980720
- Cardinal: 28980720 can be written as Twenty-eight million, nine hundred eighty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.898072 × 107
Factors of 28980720
Divisors of 28980720
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 13417 26834 40251 53668 67085 80502 107336 120753 134170 161004 201255 214672 241506 268340 322008 362259 402510 483012 536680 603765 644016 724518 805020 966024 1073360 1207530 1449036 1610040 1811295 1932048 2415060 2898072 3220080 3622590 4830120 5796144 7245180 9660240 14490360 28980720
- Sum of all divisors σ(n): 99829920
- Sum of proper divisors (its aliquot sum) s(n): 70849200
- 28980720 is an abundant number, because the sum of its proper divisors (70849200) is greater than itself. Its abundance is 41868480
Bases of 28980720
- Binary: 11011101000110101111100002
- Hexadecimal: 0x1BA35F0
- Base-36: H95O0
Squares and roots of 28980720
- 28980720 squared (289807202) is 839882131718400
- 28980720 cubed (289807203) is 24340388892334069248000
-
The
square root of 28980720 is 5383.3744064481 -
The
cube root of 28980720 is 307.1635821087
Scales and comparisons
How big is 28980720?- 28,980,720 seconds is equal to 47 weeks, 6 days, 10 hours, 12 minutes.
-
To count from 1 to 28,980,720 would take you about nineteen 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 28980720 cubic inches would be around 25.6 feet tall.
Recreational maths with 28980720
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The information we have on file for 28980720 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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