128112816
128,112,816 is an even composite number composed of five prime numbers multiplied together.
128112816 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 128112816:
24 × 3 × 132 × 17 × 929
(2 × 2 × 2 × 2 × 3 × 13 × 13 × 17 × 929)See below for interesting mathematical facts about the number 128112816 from the Numbermatics database.
Names of 128112816
- Cardinal: 128112816 can be written as One hundred twenty-eight million, one hundred twelve thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 1.28112816 × 108
Factors of 128112816
Divisors of 128112816
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 8 12 13 16 17 24 26 34 39 48 51 52 68 78 102 104 136 156 169 204 208 221 272 312 338 408 442 507 624 663 676 816 884 929 1014 1326 1352 1768 1858 2028 2652 2704 2787 2873 3536 3716 4056 5304 5574 5746 7432 8112 8619 10608 11148 11492 12077 14864 15793 17238 22296 22984 24154 31586 34476 36231 44592 45968 47379 48308 63172 68952 72462 94758 96616 126344 137904 144924 157001 189516 193232 205309 252688 289848 314002 379032 410618 471003 579696 615927 628004 758064 821236 942006 1231854 1256008 1642472 1884012 2463708 2512016 2669017 3284944 3768024 4927416 5338034 7536048 8007051 9854832 10676068 16014102 21352136 32028204 42704272 64056408 128112816
- Sum of all divisors σ(n): 379864080
- Sum of proper divisors (its aliquot sum) s(n): 251751264
- 128112816 is an abundant number, because the sum of its proper divisors (251751264) is greater than itself. Its abundance is 123638448
Bases of 128112816
- Binary: 1111010001011011000101100002
- Hexadecimal: 0x7A2D8B0
- Base-36: 249WHC
Squares and roots of 128112816
- 128112816 squared (1281128162) is 16412893623449856
- 128112816 cubed (1281128163) is 2102702020808604686954496
-
The
square root of 128112816 is 11318.6932107907 -
The
cube root of 128112816 is 504.1164382019
Scales and comparisons
How big is 128112816?- 128,112,816 seconds is equal to 4 years, 3 weeks, 5 days, 18 hours, 53 minutes, 36 seconds.
-
To count from 1 to 128,112,816 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 128112816 cubic inches would be around 42 feet tall.
Recreational maths with 128112816
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