1389401728
1,389,401,728 is an even composite number composed of four prime numbers multiplied together.
What does the number 1389401728 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 96 divisors.
1389401728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 1389401728:
27 × 11 × 132 × 5839
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 13 × 13 × 5839)See below for interesting mathematical facts about the number 1389401728 from the Numbermatics database.
Names of 1389401728
- Cardinal: 1389401728 can be written as One billion, three hundred eighty-nine million, four hundred one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.389401728 × 109
Factors of 1389401728
Divisors of 1389401728
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 128 143 169 176 208 286 338 352 416 572 676 704 832 1144 1352 1408 1664 1859 2288 2704 3718 4576 5408 5839 7436 9152 10816 11678 14872 18304 21632 23356 29744 46712 59488 64229 75907 93424 118976 128458 151814 186848 237952 256916 303628 373696 513832 607256 747392 834977 986791 1027664 1214512 1669954 1973582 2055328 2429024 3339908 3947164 4110656 4858048 6679816 7894328 8221312 9716096 10854701 13359632 15788656 21709402 26719264 31577312 43418804 53438528 63154624 86837608 106877056 126309248 173675216 347350432 694700864 1389401728
- Sum of all divisors σ(n): 3270283200
- Sum of proper divisors (its aliquot sum) s(n): 1880881472
- 1389401728 is an abundant number, because the sum of its proper divisors (1880881472) is greater than itself. Its abundance is 491479744
Bases of 1389401728
- Binary: 10100101101000010010110100000002
- Hexadecimal: 0x52D09680
- Base-36: MZ7P8G
Squares and roots of 1389401728
- 1389401728 squared (13894017282) is 1930437161769385984
- 1389401728 cubed (13894017283) is 2682152728357800423668580352
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The
square root of 1389401728 is 37274.6794486553 -
The
cube root of 1389401728 is 1115.8588911313
Scales and comparisons
How big is 1389401728?- 1,389,401,728 seconds is equal to 44 years, 9 weeks, 2 days, 55 minutes, 28 seconds.
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To count from 1 to 1,389,401,728 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 1389401728 cubic inches would be around 93 feet tall.
Recreational maths with 1389401728
- 1389401728 backwards is 8271049831
- The number of decimal digits it has is: 10
- The sum of 1389401728's digits is 43
- More coming soon!
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The information we have on file for 1389401728 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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