20755728
20,755,728 is an even composite number composed of five prime numbers multiplied together.
20755728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 20755728:
24 × 32 × 7 × 59 × 349
(2 × 2 × 2 × 2 × 3 × 3 × 7 × 59 × 349)See below for interesting mathematical facts about the number 20755728 from the Numbermatics database.
Names of 20755728
- Cardinal: 20755728 can be written as Twenty million, seven hundred fifty-five thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0755728 × 107
Factors of 20755728
Divisors of 20755728
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 59 63 72 84 112 118 126 144 168 177 236 252 336 349 354 413 472 504 531 698 708 826 944 1008 1047 1062 1239 1396 1416 1652 2094 2124 2443 2478 2792 2832 3141 3304 3717 4188 4248 4886 4956 5584 6282 6608 7329 7434 8376 8496 9772 9912 12564 14658 14868 16752 19544 19824 20591 21987 25128 29316 29736 39088 41182 43974 50256 58632 59472 61773 82364 87948 117264 123546 144137 164728 175896 185319 247092 288274 329456 351792 370638 432411 494184 576548 741276 864822 988368 1153096 1297233 1482552 1729644 2306192 2594466 2965104 3459288 5188932 6918576 10377864 20755728
- Sum of all divisors σ(n): 67704000
- Sum of proper divisors (its aliquot sum) s(n): 46948272
- 20755728 is an abundant number, because the sum of its proper divisors (46948272) is greater than itself. Its abundance is 26192544
Bases of 20755728
- Binary: 10011110010110101000100002
- Hexadecimal: 0x13CB510
- Base-36: CCV80
Squares and roots of 20755728
- 20755728 squared (207557282) is 430800244809984
- 20755728 cubed (207557283) is 8941572703609439588352
-
The
square root of 20755728 is 4555.8454758693 -
The
cube root of 20755728 is 274.8185160701
Scales and comparisons
How big is 20755728?- 20,755,728 seconds is equal to 34 weeks, 2 days, 5 hours, 28 minutes, 48 seconds.
-
To count from 1 to 20,755,728 would take you about fifty-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 20755728 cubic inches would be around 22.9 feet tall.
Recreational maths with 20755728
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The information we have on file for 20755728 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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