20745984 (number)
20745984 is an even 8-digits composite number following 20745983 and preceding 20745985. In scientific notation, it is written as 2.0745984 × 10^7. The sum of its digits is 39. It has a total of 12 prime factors and 144 positive divisors. There are 5554176 positive integers (up to 20745984) that are relatively prime to 20745984.
Interesting facts
- 20745984 has 144 divisors, whose sum is 67108608
- The reverse of 20745984 is 48954702
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | twenty million seven hundred forty-five thousand nine hundred eighty-four |
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Notation
Scientific notation | 2.0745984 × 10^7 |
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Engineering notation | 2.0745984 × 10^6 |
Prime Factorization of 20745984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 17 × 227
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 12 | Total number of prime factors |
rad | Radical | 162078 | Product of the distinct prime numbers |
The prime factorization of 20745984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 17 × 227. Since it has a total of 12 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20745984)
Multiplication
n×yn×2 | 41491968 |
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n×3 | 62237952 |
n×4 | 82983936 |
n×5 | 103729920 |
Division
n÷yn÷2 | 10372992 |
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n÷3 | 6915328 |
n÷3 | 5186496 |
n÷5 | 4149196.8 |
Exponentiation
nyn2 | 430395852128256 |
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n3 | 8.9289854619192E+21 |
n4 | 1.8524058952921E+29 |
n5 | 3.8429983065235E+36 |
Nth Root
y√n2√n | 4554.775954973 |
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3√n | 274.77550383484 |
4√n | 67.489080264684 |
5√n | 29.06610296777 |
Divisors of 20745984
144 divisors
τ | Total Divisors | 144 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20745983 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0069444444444444 | 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 | 144 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20745984 can be divided by 144 positive divisors. The sum of these divisors (counting 20745984) is 1, the average is 0.0069444444444444.
Base conversion 20745984
Base | System | Value |
---|---|---|
2 | Binary | 1001111001000111100000000 |
3 | Ternary | 1110001000010210 |
4 | Quaternary | 1033020330000 |
5 | Quinary | 20302332414 |
6 | Senary | 2020354120 |
8 | Octal | 117107400 |
10 | Decimal | 20745984 |
12 | Duodecimal | 6b45940 |
16 | Hexadecimal | 13c8f00 |
20 | Vigesimal | 69d4j4 |
36 | Base36 | ccnpc |
Cryptographic Hash Functions
md5 | d8d01cd4bde6c76560ed236152f50451 |
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sha1 | e0a0aa542c379e5fbe5c21675236467507cabd31 |
sha256 | 323ba9299f0c1cb4fcdf56a365d4dccba28d476e8f2e1809dd7eff32ea657e0b |
sha512 | c078fe10b9d7eeb1f5d7c57df291182a52b4801f4d53500aa3b830c12fd1b2236650b417bac8672a14f3318b0e784b29767c83f06df84ffff6b240701488c723 |
ripemd-160 | e01745be6a695d288e300bdd5c5791fed31321f5 |
20745984 as geometric shapes
Circle
Radius = nDiameter | 41491968 |
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Circumference | 130350861.85178 |
Area | 1.3521284471816E+15 |
Sphere
Radius = nVolume | 3.7401646841567E+22 |
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Surface area | 5.4085137887266E+15 |
Circumference | 130350861.85178 |
Square
Length = nPerimeter | 82983936 |
---|---|
Area | 430395852128256 |
Diagonal | 29339251.937575 |
Cube
Length = nSurface area | 2582375112769536 |
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Volume | 8.9289854619192E+21 |
Space diagonal | 35933098.341011 |
Equilateral Triangle
Length = nPerimeter | 62237952 |
---|---|
Area | 1.8636687081326E+14 |
Altitude | 17966549.170506 |
Triangular Pyramid
Length = nSurface area | 1.8636687081326E+14 |
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Volume | 1.0522910282065E+21 |
Height | 9779750.6458584 |