61561444 (number)
61561444 is an even 8-digits composite number following 61561443 and preceding 61561445. In scientific notation, it is written as 6.1561444 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 72 positive divisors. There are 24494400 positive integers (up to 61561444) that are relatively prime to 61561444.
Interesting facts
- 61561444 has 72 divisors, whose sum is 134574720
- The reverse of 61561444 is 44416516
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 31
- Digital Root 4
Name
Name | sixty-one million five hundred sixty-one thousand four hundred forty-four |
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Notation
Scientific notation | 6.1561444 × 10^7 |
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Engineering notation | 6.1561444 × 10^6 |
Prime Factorization of 61561444
Prime Factorization 2 × 2 × 7 × 7 × 19 × 61 × 271
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 4397246 | Product of the distinct prime numbers |
The prime factorization of 61561444 is 2 × 2 × 7 × 7 × 19 × 61 × 271. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 61561444)
Multiplication
n×yn×2 | 123122888 |
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n×3 | 184684332 |
n×4 | 246245776 |
n×5 | 307807220 |
Division
n÷yn÷2 | 30780722 |
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n÷3 | 20520481.333333 |
n÷3 | 15390361 |
n÷5 | 12312288.8 |
Exponentiation
nyn2 | 3789811387365136 |
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n3 | 2.3330626149384E+23 |
n4 | 1.4362670351802E+31 |
n5 | 8.8418672655295E+38 |
Nth Root
y√n2√n | 7846.1101190335 |
---|---|
3√n | 394.85374920005 |
4√n | 88.578271144979 |
5√n | 36.129484050319 |
Divisors of 61561444
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -61561443 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 61561444 can be divided by 72 positive divisors. The sum of these divisors (counting 61561444) is 1, the average is 0.013888888888889.
Base conversion 61561444
Base | System | Value |
---|---|---|
2 | Binary | 11101010110101101001100100 |
3 | Ternary | 11021211122102111 |
4 | Quaternary | 3222311221210 |
5 | Quinary | 111224431234 |
6 | Senary | 10035250404 |
8 | Octal | 352655144 |
10 | Decimal | 61561444 |
12 | Duodecimal | 18749a04 |
16 | Hexadecimal | 3ab5a64 |
20 | Vigesimal | j4f3c4 |
36 | Base36 | 10nh44 |
Cryptographic Hash Functions
md5 | 2de71bceba7b7146f50df816d06fe628 |
---|---|
sha1 | 499e7a528330007874364e75e578d1891294b2d3 |
sha256 | 9f305bc8ad93815cde3ec3d5d6eb0063bf5dd5fdc1d88d8faa7cb67cf3052723 |
sha512 | b3fa6c9634db624f8ab8d3061dbdb5382f5d10fd116cb63b3a866ab4dac996f04f7c297ada1ba05dc0614f1dbf714323c89305e6591d44d31a21a8bf40114119 |
ripemd-160 | eba5fba3540327a66e7938504b40a61c74864818 |
61561444 as geometric shapes
Circle
Radius = nDiameter | 123122888 |
---|---|
Circumference | 386801960.42956 |
Area | 1.1906043613037E+16 |
Sphere
Radius = nVolume | 9.7727098286073E+23 |
---|---|
Surface area | 4.7624174452149E+16 |
Circumference | 386801960.42956 |
Square
Length = nPerimeter | 246245776 |
---|---|
Area | 3789811387365136 |
Diagonal | 87061029.024072 |
Cube
Length = nSurface area | 22738868324190816 |
---|---|
Volume | 2.3330626149384E+23 |
Space diagonal | 106627548.79531 |
Equilateral Triangle
Length = nPerimeter | 184684332 |
---|---|
Area | 1.6410364685049E+15 |
Altitude | 53313774.397653 |
Triangular Pyramid
Length = nSurface area | 1.6410364685049E+15 |
---|---|
Volume | 2.7495406599263E+22 |
Height | 29020343.008024 |