128488968 (number)
128488968 is an even 9-digits composite number following 128488967 and preceding 128488969. In scientific notation, it is written as 1.28488968 × 10^8. The sum of its digits is 54. It has a total of 7 prime factors and 48 positive divisors. There are 42403200 positive integers (up to 128488968) that are relatively prime to 128488968.
Interesting facts
- 128488968 has 48 divisors, whose sum is 351456300
- The reverse of 128488968 is 869884821
- Previous prime number is 101
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 54
- Digital Root 9
Name
Name | one hundred twenty-eight million four hundred eighty-eight thousand nine hundred sixty-eight |
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Notation
Scientific notation | 1.28488968 × 10^8 |
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Engineering notation | 1.28488968 × 10^6 |
Prime Factorization of 128488968
Prime Factorization 2 × 2 × 2 × 3 × 3 × 101 × 17669
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 10707414 | Product of the distinct prime numbers |
The prime factorization of 128488968 is 2 × 2 × 2 × 3 × 3 × 101 × 17669. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 128488968)
Multiplication
n×yn×2 | 256977936 |
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n×3 | 385466904 |
n×4 | 513955872 |
n×5 | 642444840 |
Division
n÷yn÷2 | 64244484 |
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n÷3 | 42829656 |
n÷3 | 32122242 |
n÷5 | 25697793.6 |
Exponentiation
nyn2 | 16509414897705024 |
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n3 | 2.1212776824899E+24 |
n4 | 2.7256078026456E+32 |
n5 | 3.5021053373469E+40 |
Nth Root
y√n2√n | 11335.29743765 |
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3√n | 504.60933482523 |
4√n | 106.46735385859 |
5√n | 41.857488654368 |
Divisors of 128488968
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -128488967 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
G | Geometric Mean | 1 | Returns the nth root of the product of n divisors |
H | Harmonic Mean | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 128488968 can be divided by 48 positive divisors. The sum of these divisors (counting 128488968) is 1, the average is 0.020833333333333.
Base conversion 128488968
Base | System | Value |
---|---|---|
2 | Binary | 111101010001001011000001000 |
3 | Ternary | 22221202220201200 |
4 | Quaternary | 13222021120020 |
5 | Quinary | 230343121333 |
6 | Senary | 20425544200 |
8 | Octal | 752113010 |
10 | Decimal | 128488968 |
12 | Duodecimal | 37045060 |
16 | Hexadecimal | 7a89608 |
20 | Vigesimal | 2031288 |
36 | Base36 | 24hyq0 |
Cryptographic Hash Functions
md5 | f88f473aaaeae2dbdc1a8586828f5904 |
---|---|
sha1 | 002c433d7bde761983ee5a90e184f33be7803b3f |
sha256 | c721f94809d06480c29743160564a8fbcea363f15754f84e193c8a49a279271d |
sha512 | fcbc576d421f1ec2c5eef0f7ae5b46ae86cac608cac81aee99b276d69470377a1f37d1452aa1310d6e343ab355b272892da76d72214a69c795527b3cb932bb9d |
ripemd-160 | 56f6707a668b6ae7c97319da09b6d57bc920dbe0 |
128488968 as geometric shapes
Circle
Radius = nDiameter | 256977936 |
---|---|
Circumference | 807319995.87227 |
Area | 5.1865856557696E+16 |
Sphere
Radius = nVolume | 8.8855871780459E+24 |
---|---|
Surface area | 2.0746342623078E+17 |
Circumference | 807319995.87227 |
Square
Length = nPerimeter | 513955872 |
---|---|
Area | 16509414897705024 |
Diagonal | 181710841.16092 |
Cube
Length = nSurface area | 99056489386230144 |
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Volume | 2.1212776824899E+24 |
Space diagonal | 222549420.78809 |
Equilateral Triangle
Length = nPerimeter | 385466904 |
---|---|
Area | 7.1487863515149E+15 |
Altitude | 111274710.39405 |
Triangular Pyramid
Length = nSurface area | 7.1487863515149E+15 |
---|---|
Volume | 2.4999497234472E+23 |
Height | 60570280.386974 |