121394728
121,394,728 is an even composite number composed of five prime numbers multiplied together.
121394728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 121394728:
23 × 7 × 132 × 101 × 127
(2 × 2 × 2 × 7 × 13 × 13 × 101 × 127)See below for interesting mathematical facts about the number 121394728 from the Numbermatics database.
Names of 121394728
- Cardinal: 121394728 can be written as One hundred twenty-one million, three hundred ninety-four thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.21394728 × 108
Factors of 121394728
Divisors of 121394728
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 7 8 13 14 26 28 52 56 91 101 104 127 169 182 202 254 338 364 404 508 676 707 728 808 889 1016 1183 1313 1352 1414 1651 1778 2366 2626 2828 3302 3556 4732 5252 5656 6604 7112 9191 9464 10504 11557 12827 13208 17069 18382 21463 23114 25654 34138 36764 42926 46228 51308 68276 73528 85852 89789 92456 102616 119483 136552 150241 166751 171704 179578 238966 300482 333502 359156 477932 600964 667004 718312 955864 1167257 1201928 1334008 2167763 2334514 4335526 4669028 8671052 9338056 15174341 17342104 30348682 60697364 121394728
- Sum of all divisors σ(n): 286709760
- Sum of proper divisors (its aliquot sum) s(n): 165315032
- 121394728 is an abundant number, because the sum of its proper divisors (165315032) is greater than itself. Its abundance is 43920304
Bases of 121394728
- Binary: 1110011110001010110001010002
- Hexadecimal: 0x73C5628
- Base-36: 209WRS
Squares and roots of 121394728
- 121394728 squared (1213947282) is 14736679986193984
- 121394728 cubed (1213947283) is 1788955258547062442916352
-
The
square root of 121394728 is 11017.9275728243 -
The
cube root of 121394728 is 495.1460005339
Scales and comparisons
How big is 121394728?- 121,394,728 seconds is equal to 3 years, 44 weeks, 5 days, 45 minutes, 28 seconds.
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To count from 1 to 121,394,728 would take you about five years!
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 121394728 cubic inches would be around 41.3 feet tall.
Recreational maths with 121394728
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The information we have on file for 121394728 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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