123130728
123,130,728 is an even composite number composed of five prime numbers multiplied together.
123130728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 123130728:
23 × 32 × 72 × 17 × 2053
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 17 × 2053)See below for interesting mathematical facts about the number 123130728 from the Numbermatics database.
Names of 123130728
- Cardinal: 123130728 can be written as One hundred twenty-three million, one hundred thirty thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.23130728 × 108
Factors of 123130728
Divisors of 123130728
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 17 18 21 24 28 34 36 42 49 51 56 63 68 72 84 98 102 119 126 136 147 153 168 196 204 238 252 294 306 357 392 408 441 476 504 588 612 714 833 882 952 1071 1176 1224 1428 1666 1764 2053 2142 2499 2856 3332 3528 4106 4284 4998 6159 6664 7497 8212 8568 9996 12318 14371 14994 16424 18477 19992 24636 28742 29988 34901 36954 43113 49272 57484 59976 69802 73908 86226 100597 104703 114968 129339 139604 147816 172452 201194 209406 244307 258678 279208 301791 314109 344904 402388 418812 488614 517356 603582 628218 732921 804776 837624 905373 977228 1034712 1207164 1256436 1465842 1710149 1810746 1954456 2198763 2414328 2512872 2931684 3420298 3621492 4397526 5130447 5863368 6840596 7242984 8795052 10260894 13681192 15391341 17590104 20521788 30782682 41043576 61565364 123130728
- Sum of all divisors σ(n): 410943780
- Sum of proper divisors (its aliquot sum) s(n): 287813052
- 123130728 is an abundant number, because the sum of its proper divisors (287813052) is greater than itself. Its abundance is 164682324
Bases of 123130728
- Binary: 1110101011011010011011010002
- Hexadecimal: 0x756D368
- Base-36: 21B4A0
Squares and roots of 123130728
- 123130728 squared (1231307282) is 15161176177809984
- 123130728 cubed (1231307283) is 1866806660110000775588352
-
The
square root of 123130728 is 11096.4286146489 -
The
cube root of 123130728 is 497.4951093347
Scales and comparisons
How big is 123130728?- 123,130,728 seconds is equal to 3 years, 47 weeks, 4 days, 2 hours, 58 minutes, 48 seconds.
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To count from 1 to 123,130,728 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 123130728 cubic inches would be around 41.5 feet tall.
Recreational maths with 123130728
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The information we have on file for 123130728 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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