128729118432
128,729,118,432 is an even composite number composed of four prime numbers multiplied together.
128729118432 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 128729118432:
25 × 3 × 653 × 14332
(2 × 2 × 2 × 2 × 2 × 3 × 653 × 1433 × 1433)See below for interesting mathematical facts about the number 128729118432 from the Numbermatics database.
Names of 128729118432
- Cardinal: 128729118432 can be written as One hundred twenty-eight billion, seven hundred twenty-nine million, one hundred eighteen thousand, four hundred thirty-two.
Scientific notation
- Scientific notation: 1.28729118432 × 1011
Factors of 128729118432
Divisors of 128729118432
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 96 653 1306 1433 1959 2612 2866 3918 4299 5224 5732 7836 8598 10448 11464 15672 17196 20896 22928 31344 34392 45856 62688 68784 137568 935749 1871498 2053489 2807247 3742996 4106978 5614494 6160467 7485992 8213956 11228988 12320934 14971984 16427912 22457976 24641868 29943968 32855824 44915952 49283736 65711648 89831904 98567472 197134944 1340928317 2681856634 4022784951 5363713268 8045569902 10727426536 16091139804 21454853072 32182279608 42909706144 64364559216 128729118432
- Sum of all divisors σ(n): 338667749784
- Sum of proper divisors (its aliquot sum) s(n): 209938631352
- 128729118432 is an abundant number, because the sum of its proper divisors (209938631352) is greater than itself. Its abundance is 81209512920
Bases of 128729118432
- Binary: 11101111110001101101001110110111000002
- Hexadecimal: 0x1DF8DA76E0
- Base-36: 1N4XZRHC
Squares and roots of 128729118432
- 128729118432 squared (1287291184322) is 16571185932279882138624
- 128729118432 cubed (1287291184323) is 2133194156435149279593930337517568
-
The
square root of 128729118432 is 358788.4034246369 -
The
cube root of 128729118432 is 5049.2351674041
Scales and comparisons
How big is 128729118432?- 128,729,118,432 seconds is equal to 4,093 years, 9 weeks, 5 days, 8 hours, 27 minutes, 12 seconds.
-
To count from 1 to 128,729,118,432 would take you about eight thousand, one hundred eighty-six 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 128729118432 cubic inches would be around 420.8 feet tall.
Recreational maths with 128729118432
- 128729118432 backwards is 234811927821
- 128729118432 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 128729118432's digits is 48
- More coming soon!
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The information we have on file for 128729118432 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!
Keywords: Divisors of 128729118432, math, Factors of 128729118432, curriculum, school, college, exams, university, Prime factorization of 128729118432, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-eight billion, seven hundred twenty-nine million, one hundred eighteen thousand, four hundred thirty-two.