20400768
20,400,768 is an even composite number composed of three prime numbers multiplied together.
20400768 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 20400768:
27 × 33 × 5903
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5903)See below for interesting mathematical facts about the number 20400768 from the Numbermatics database.
Names of 20400768
- Cardinal: 20400768 can be written as Twenty million, four hundred thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 2.0400768 × 107
Factors of 20400768
Divisors of 20400768
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 5903 11806 17709 23612 35418 47224 53127 70836 94448 106254 141672 159381 188896 212508 283344 318762 377792 425016 566688 637524 755584 850032 1133376 1275048 1700064 2266752 2550096 3400128 5100192 6800256 10200384 20400768
- Sum of all divisors σ(n): 60220800
- Sum of proper divisors (its aliquot sum) s(n): 39820032
- 20400768 is an abundant number, because the sum of its proper divisors (39820032) is greater than itself. Its abundance is 19419264
Bases of 20400768
- Binary: 10011011101001010100000002
- Hexadecimal: 0x1374A80
- Base-36: C59C0
Squares and roots of 20400768
- 20400768 squared (204007682) is 416191334989824
- 20400768 cubed (204007683) is 8490622868737681784832
-
The
square root of 20400768 is 4516.7209344833 -
The
cube root of 20400768 is 273.2428704535
Scales and comparisons
How big is 20400768?- 20,400,768 seconds is equal to 33 weeks, 5 days, 2 hours, 52 minutes, 48 seconds.
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To count from 1 to 20,400,768 would take you about fifty 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 20400768 cubic inches would be around 22.8 feet tall.
Recreational maths with 20400768
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The information we have on file for 20400768 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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