1389428768
1,389,428,768 is an even composite number composed of five prime numbers multiplied together.
1389428768 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 1389428768:
25 × 7 × 132 × 172 × 127
(2 × 2 × 2 × 2 × 2 × 7 × 13 × 13 × 17 × 17 × 127)See below for interesting mathematical facts about the number 1389428768 from the Numbermatics database.
Names of 1389428768
- Cardinal: 1389428768 can be written as One billion, three hundred eighty-nine million, four hundred twenty-eight thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.389428768 × 109
Factors of 1389428768
Divisors of 1389428768
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 68 91 104 112 119 127 136 169 182 208 221 224 238 254 272 289 338 364 416 442 476 508 544 578 676 728 884 889 952 1016 1156 1183 1352 1456 1547 1651 1768 1778 1904 2023 2032 2159 2312 2366 2704 2873 2912 3094 3302 3536 3556 3757 3808 4046 4064 4318 4624 4732 5408 5746 6188 6604 7072 7112 7514 8092 8636 9248 9464 11492 11557 12376 13208 14224 15028 15113 16184 17272 18928 20111 21463 22984 23114 24752 26299 26416 28067 28448 30056 30226 32368 34544 36703 37856 40222 42926 45968 46228 48841 49504 52598 52832 56134 60112 60452 64736 69088 73406 80444 85852 91936 92456 97682 105196 112268 120224 120904 146812 150241 160888 171704 184912 195364 196469 210392 224536 241808 256921 293624 300482 321776 341887 343408 364871 369824 390728 392938 420784 449072 477139 483616 513842 587248 600964 643552 683774 686816 729742 781456 785876 841568 898144 954278 1027684 1174496 1201928 1367548 1459484 1562912 1571752 1908556 2055368 2403856 2554097 2735096 2918968 3143504 3339973 3817112 4110736 4807712 5108194 5470192 5837936 6202807 6287008 6679946 7634224 8221472 10216388 10940384 11675872 12405614 13359892 15268448 20432776 24811228 26719784 40865552 43419649 49622456 53439568 81731104 86839298 99244912 106879136 173678596 198489824 347357192 694714384 1389428768
- Sum of all divisors σ(n): 3624348672
- Sum of proper divisors (its aliquot sum) s(n): 2234919904
- 1389428768 is an abundant number, because the sum of its proper divisors (2234919904) is greater than itself. Its abundance is 845491136
Bases of 1389428768
- Binary: 10100101101000100000000001000002
- Hexadecimal: 0x52D10020
- Base-36: MZ8A3K
Squares and roots of 1389428768
- 1389428768 squared (13894287682) is 1930512301345997824
- 1389428768 cubed (13894287683) is 2682309328468014498331000832
-
The
square root of 1389428768 is 37275.0421596005 -
The
cube root of 1389428768 is 1115.8661298893
Scales and comparisons
How big is 1389428768?- 1,389,428,768 seconds is equal to 44 years, 9 weeks, 2 days, 8 hours, 26 minutes, 8 seconds.
-
To count from 1 to 1,389,428,768 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 1389428768 cubic inches would be around 93 feet tall.
Recreational maths with 1389428768
- 1389428768 backwards is 8678249831
- 1389428768 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1389428768's digits is 56
- More coming soon!
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The information we have on file for 1389428768 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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