128648512
128,648,512 is an even composite number composed of four prime numbers multiplied together.
128648512 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.
Prime factorization of 128648512:
26 × 31 × 61 × 1063
(2 × 2 × 2 × 2 × 2 × 2 × 31 × 61 × 1063)See below for interesting mathematical facts about the number 128648512 from the Numbermatics database.
Names of 128648512
- Cardinal: 128648512 can be written as One hundred twenty-eight million, six hundred forty-eight thousand, five hundred twelve.
Scientific notation
- Scientific notation: 1.28648512 × 108
Factors of 128648512
Divisors of 128648512
- Number of divisors d(n): 56
-
Complete list of divisors:
1 2 4 8 16 31 32 61 62 64 122 124 244 248 488 496 976 992 1063 1891 1952 1984 2126 3782 3904 4252 7564 8504 15128 17008 30256 32953 34016 60512 64843 65906 68032 121024 129686 131812 259372 263624 518744 527248 1037488 1054496 2010133 2074976 2108992 4020266 4149952 8040532 16081064 32162128 64324256 128648512
- Sum of all divisors σ(n): 268093952
- Sum of proper divisors (its aliquot sum) s(n): 139445440
- 128648512 is an abundant number, because the sum of its proper divisors (139445440) is greater than itself. Its abundance is 10796928
Bases of 128648512
- Binary: 1111010101100000101010000002
- Hexadecimal: 0x7AB0540
- Base-36: 24LDTS
Squares and roots of 128648512
- 128648512 squared (1286485122) is 16550439639814144
- 128648512 cubed (1286485123) is 2129189432607905582153728
-
The
square root of 128648512 is 11342.3327406667 -
The
cube root of 128648512 is 504.8181052593
Scales and comparisons
How big is 128648512?- 128,648,512 seconds is equal to 4 years, 4 weeks, 4 days, 23 hours, 41 minutes, 52 seconds.
-
To count from 1 to 128,648,512 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 128648512 cubic inches would be around 42.1 feet tall.
Recreational maths with 128648512
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