28740400
28,740,400 is an even composite number composed of four prime numbers multiplied together.
What does the number 28740400 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 60 divisors.
28740400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 28740400:
24 × 52 × 13 × 5527
(2 × 2 × 2 × 2 × 5 × 5 × 13 × 5527)See below for interesting mathematical facts about the number 28740400 from the Numbermatics database.
Names of 28740400
- Cardinal: 28740400 can be written as Twenty-eight million, seven hundred forty thousand, four hundred.
Scientific notation
- Scientific notation: 2.87404 × 107
Factors of 28740400
Divisors of 28740400
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 5527 11054 22108 27635 44216 55270 71851 88432 110540 138175 143702 221080 276350 287404 359255 442160 552700 574808 718510 1105400 1149616 1437020 1796275 2210800 2874040 3592550 5748080 7185100 14370200 28740400
- Sum of all divisors σ(n): 74373712
- Sum of proper divisors (its aliquot sum) s(n): 45633312
- 28740400 is an abundant number, because the sum of its proper divisors (45633312) is greater than itself. Its abundance is 16892912
Bases of 28740400
- Binary: 11011011010001011001100002
- Hexadecimal: 0x1B68B30
- Base-36: H408G
Squares and roots of 28740400
- 28740400 squared (287404002) is 826010592160000
- 28740400 cubed (287404003) is 23739874822915264000000
-
The
square root of 28740400 is 5361.0073680233 -
The
cube root of 28740400 is 306.3121822919
Scales and comparisons
How big is 28740400?- 28,740,400 seconds is equal to 47 weeks, 3 days, 15 hours, 26 minutes, 40 seconds.
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To count from 1 to 28,740,400 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 28740400 cubic inches would be around 25.5 feet tall.
Recreational maths with 28740400
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The information we have on file for 28740400 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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