28689984 (number)
28689984 is an even 8-digits composite number following 28689983 and preceding 28689985. In scientific notation, it is written as 2.8689984 × 10^7. The sum of its digits is 54. It has a total of 9 prime factors and 56 positive divisors. There are 9562752 positive integers (up to 28689984) that are relatively prime to 28689984.
Interesting facts
- 28689984 has 56 divisors, whose sum is 84348320
- The reverse of 28689984 is 48998682
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 54
- Digital Root 9
Name
Name | twenty-eight million six hundred eighty-nine thousand nine hundred eighty-four |
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Notation
Scientific notation | 2.8689984 × 10^7 |
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Engineering notation | 2.8689984 × 10^6 |
Prime Factorization of 28689984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 3 × 16603
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 896562 | Product of the distinct prime numbers |
The prime factorization of 28689984 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 3 × 16603. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28689984)
Multiplication
n×yn×2 | 57379968 |
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n×3 | 86069952 |
n×4 | 114759936 |
n×5 | 143449920 |
Division
n÷yn÷2 | 14344992 |
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n÷3 | 9563328 |
n÷3 | 7172496 |
n÷5 | 5737996.8 |
Exponentiation
nyn2 | 823115181920256 |
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n3 | 2.3615161399449E+22 |
n4 | 6.7751860270762E+29 |
n5 | 1.9437997871384E+37 |
Nth Root
y√n2√n | 5356.3032027696 |
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3√n | 306.1329679716 |
4√n | 73.186769315018 |
5√n | 31.013162962429 |
Divisors of 28689984
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -28689983 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28689984 can be divided by 56 positive divisors. The sum of these divisors (counting 28689984) is 1, the average is 0.017857142857143.
Base conversion 28689984
Base | System | Value |
---|---|---|
2 | Binary | 1101101011100011001000000 |
3 | Ternary | 1222222121021000 |
4 | Quaternary | 1231130121000 |
5 | Quinary | 24321034414 |
6 | Senary | 2502532000 |
8 | Octal | 155343100 |
10 | Decimal | 28689984 |
12 | Duodecimal | 9737000 |
16 | Hexadecimal | 1b5c640 |
20 | Vigesimal | 8j64j4 |
36 | Base36 | h2xc0 |
Cryptographic Hash Functions
md5 | 2ff6fffcd358c329a42a435ddcccf687 |
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sha1 | ecee08ea041bd45b1037196777c9cef7dd759b62 |
sha256 | 557e131395bc210d3a14b5a6e0d6520907a9f65ddf737e2649728285ab3ec3af |
sha512 | f2da19a55acfd501164e288cea8a2658e687287be6067f730a6eb40b798e8e79b783e471d2dd11395945a790dfa2c3271dcae45120ba24d867dc02fb4468cea8 |
ripemd-160 | dca564eff8d56f4e21d46b4a13a754ec10aa24b1 |
28689984 as geometric shapes
Circle
Radius = nDiameter | 57379968 |
---|---|
Circumference | 180264485.93202 |
Area | 2.5858926085789E+15 |
Sphere
Radius = nVolume | 9.8918956754463E+22 |
---|---|
Surface area | 1.0343570434316E+16 |
Circumference | 180264485.93202 |
Square
Length = nPerimeter | 114759936 |
---|---|
Area | 823115181920256 |
Diagonal | 40573764.477067 |
Cube
Length = nSurface area | 4938691091521536 |
---|---|
Volume | 2.3615161399449E+22 |
Space diagonal | 49692509.956338 |
Equilateral Triangle
Length = nPerimeter | 86069952 |
---|---|
Area | 3.564193288918E+14 |
Altitude | 24846254.978169 |
Triangular Pyramid
Length = nSurface area | 3.564193288918E+14 |
---|---|
Volume | 2.7830734607276E+21 |
Height | 13524588.159022 |