128988768
128,988,768 is an even composite number composed of five prime numbers multiplied together.
128988768 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 128988768:
25 × 3 × 31 × 89 × 487
(2 × 2 × 2 × 2 × 2 × 3 × 31 × 89 × 487)See below for interesting mathematical facts about the number 128988768 from the Numbermatics database.
Names of 128988768
- Cardinal: 128988768 can be written as One hundred twenty-eight million, nine hundred eighty-eight thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.28988768 × 108
Factors of 128988768
Divisors of 128988768
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 31 32 48 62 89 93 96 124 178 186 248 267 356 372 487 496 534 712 744 974 992 1068 1424 1461 1488 1948 2136 2759 2848 2922 2976 3896 4272 5518 5844 7792 8277 8544 11036 11688 15097 15584 16554 22072 23376 30194 33108 43343 44144 45291 46752 60388 66216 86686 88288 90582 120776 130029 132432 173372 181164 241552 260058 264864 346744 362328 483104 520116 693488 724656 1040232 1343633 1386976 1449312 2080464 2687266 4030899 4160928 5374532 8061798 10749064 16123596 21498128 32247192 42996256 64494384 128988768
- Sum of all divisors σ(n): 354170880
- Sum of proper divisors (its aliquot sum) s(n): 225182112
- 128988768 is an abundant number, because the sum of its proper divisors (225182112) is greater than itself. Its abundance is 96193344
Bases of 128988768
- Binary: 1111011000000110110011000002
- Hexadecimal: 0x7B03660
- Base-36: 24SODC
Squares and roots of 128988768
- 128988768 squared (1289887682) is 16638102270157824
- 128988768 cubed (1289887683) is 2146128313685660883320832
-
The
square root of 128988768 is 11357.3222196081 -
The
cube root of 128988768 is 505.2627694989
Scales and comparisons
How big is 128988768?- 128,988,768 seconds is equal to 4 years, 5 weeks, 1 day, 22 hours, 12 minutes, 48 seconds.
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To count from 1 to 128,988,768 would take you about 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 128988768 cubic inches would be around 42.1 feet tall.
Recreational maths with 128988768
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The information we have on file for 128988768 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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