128964736
128,964,736 is an even composite number composed of four prime numbers multiplied together.
128964736 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 128964736:
27 × 61 × 83 × 199
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 61 × 83 × 199)See below for interesting mathematical facts about the number 128964736 from the Numbermatics database.
Names of 128964736
- Cardinal: 128964736 can be written as One hundred twenty-eight million, nine hundred sixty-four thousand, seven hundred thirty-six.
Scientific notation
- Scientific notation: 1.28964736 × 108
Factors of 128964736
Divisors of 128964736
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 16 32 61 64 83 122 128 166 199 244 332 398 488 664 796 976 1328 1592 1952 2656 3184 3904 5063 5312 6368 7808 10126 10624 12139 12736 16517 20252 24278 25472 33034 40504 48556 66068 81008 97112 132136 162016 194224 264272 324032 388448 528544 648064 776896 1007537 1057088 1553792 2015074 2114176 4030148 8060296 16120592 32241184 64482368 128964736
- Sum of all divisors σ(n): 265608000
- Sum of proper divisors (its aliquot sum) s(n): 136643264
- 128964736 is an abundant number, because the sum of its proper divisors (136643264) is greater than itself. Its abundance is 7678528
Bases of 128964736
- Binary: 1111010111111011000100000002
- Hexadecimal: 0x7AFD880
- Base-36: 24S5TS
Squares and roots of 128964736
- 128964736 squared (1289647362) is 16631903131549696
- 128964736 cubed (1289647363) is 2144928996537879815520256
-
The
square root of 128964736 is 11356.2641744545 -
The
cube root of 128964736 is 505.2313889139
Scales and comparisons
How big is 128964736?- 128,964,736 seconds is equal to 4 years, 5 weeks, 1 day, 15 hours, 32 minutes, 16 seconds.
-
To count from 1 to 128,964,736 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 128964736 cubic inches would be around 42.1 feet tall.
Recreational maths with 128964736
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