1398232728
1,398,232,728 is an even composite number composed of five prime numbers multiplied together.
1398232728 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 1398232728:
23 × 32 × 17 × 612 × 307
(2 × 2 × 2 × 3 × 3 × 17 × 61 × 61 × 307)See below for interesting mathematical facts about the number 1398232728 from the Numbermatics database.
Names of 1398232728
- Cardinal: 1398232728 can be written as One billion, three hundred ninety-eight million, two hundred thirty-two thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.398232728 × 109
Factors of 1398232728
Divisors of 1398232728
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 17 18 24 34 36 51 61 68 72 102 122 136 153 183 204 244 306 307 366 408 488 549 612 614 732 921 1037 1098 1224 1228 1464 1842 2074 2196 2456 2763 3111 3684 3721 4148 4392 5219 5526 6222 7368 7442 8296 9333 10438 11052 11163 12444 14884 15657 18666 18727 20876 22104 22326 24888 29768 31314 33489 37332 37454 41752 44652 46971 56181 62628 63257 66978 74664 74908 89304 93942 112362 125256 126514 133956 149816 168543 187884 189771 224724 253028 267912 318359 337086 375768 379542 449448 506056 569313 636718 674172 759084 955077 1138626 1142347 1273436 1348344 1518168 1910154 2277252 2284694 2546872 2865231 3427041 3820308 4554504 4569388 5730462 6854082 7640616 9138776 10281123 11460924 13708164 19419899 20562246 22921848 27416328 38839798 41124492 58259697 77679596 82248984 116519394 155359192 174779091 233038788 349558182 466077576 699116364 1398232728
- Sum of all divisors σ(n): 4089725640
- Sum of proper divisors (its aliquot sum) s(n): 2691492912
- 1398232728 is an abundant number, because the sum of its proper divisors (2691492912) is greater than itself. Its abundance is 1293260184
Bases of 1398232728
- Binary: 10100110101011101010110100110002
- Hexadecimal: 0x53575698
- Base-36: N4GZA0
Squares and roots of 1398232728
- 1398232728 squared (13982327282) is 1955054761650321984
- 1398232728 cubed (13982327283) is 2733621552771719489766692352
-
The
square root of 1398232728 is 37392.9502446655 -
The
cube root of 1398232728 is 1118.2180230053
Scales and comparisons
How big is 1398232728?- 1,398,232,728 seconds is equal to 44 years, 23 weeks, 6 days, 5 hours, 58 minutes, 48 seconds.
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To count from 1 to 1,398,232,728 would take you about eighty-eight 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 1398232728 cubic inches would be around 93.2 feet tall.
Recreational maths with 1398232728
- 1398232728 backwards is 8272328931
- The number of decimal digits it has is: 10
- The sum of 1398232728's digits is 45
- More coming soon!
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The information we have on file for 1398232728 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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