21087948 (number)
21087948 is an even 8-digits composite number following 21087947 and preceding 21087949. In scientific notation, it is written as 2.1087948 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 96 positive divisors. There are 5598720 positive integers (up to 21087948) that are relatively prime to 21087948.
Interesting facts
- 21087948 has 96 divisors, whose sum is 60336640
- The reverse of 21087948 is 84978012
- Previous prime number is 73
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | twenty-one million eighty-seven thousand nine hundred forty-eight |
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Notation
Scientific notation | 2.1087948 × 10^7 |
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Engineering notation | 2.1087948 × 10^6 |
Prime Factorization of 21087948
Prime Factorization 2 × 2 × 3 × 7 × 19 × 73 × 181
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 10543974 | Product of the distinct prime numbers |
The prime factorization of 21087948 is 2 × 2 × 3 × 7 × 19 × 73 × 181. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21087948)
Multiplication
n×yn×2 | 42175896 |
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n×3 | 63263844 |
n×4 | 84351792 |
n×5 | 105439740 |
Division
n÷yn÷2 | 10543974 |
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n÷3 | 7029316 |
n÷3 | 5271987 |
n÷5 | 4217589.6 |
Exponentiation
nyn2 | 444701550850704 |
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n3 | 9.377843179859E+21 |
n4 | 1.9775946932902E+29 |
n5 | 4.170341405718E+36 |
Nth Root
y√n2√n | 4592.161582523 |
---|---|
3√n | 276.27702703706 |
4√n | 67.765489613246 |
5√n | 29.161298901185 |
Divisors of 21087948
96 divisors
τ | Total Divisors | 96 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21087947 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.010416666666667 | 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 | 96 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21087948 can be divided by 96 positive divisors. The sum of these divisors (counting 21087948) is 1, the average is 0.010416666666667.
Base conversion 21087948
Base | System | Value |
---|---|---|
2 | Binary | 1010000011100011011001100 |
3 | Ternary | 1110200101020010 |
4 | Quaternary | 1100130123030 |
5 | Quinary | 20344303243 |
6 | Senary | 2031553220 |
8 | Octal | 120343314 |
10 | Decimal | 21087948 |
12 | Duodecimal | 708b810 |
16 | Hexadecimal | 141c6cc |
20 | Vigesimal | 6bfjh8 |
36 | Base36 | cjzkc |
Cryptographic Hash Functions
md5 | 30c528a442c12612635ac7fea24fedc9 |
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sha1 | f304b87c2ad5e815b42d1ba2357bba345858b91f |
sha256 | 8913277d02df769c95a8ba988208d393ed45230295d51c401e879b55dad4fddc |
sha512 | 2f657f4e8428ead37bcc7a201980a4a292ac4439bb71f3948f544776cf5744045ef9ae6554dd99055e7076a771c1706b4decbf863ce7d5b07cb75e7b89d868d0 |
ripemd-160 | 0a3b6645bc2673ef5445fae8643dc3f4b4fd2503 |
21087948 as geometric shapes
Circle
Radius = nDiameter | 42175896 |
---|---|
Circumference | 132499485.03217 |
Area | 1.3970711251926E+15 |
Sphere
Radius = nVolume | 3.9281817653816E+22 |
---|---|
Surface area | 5.5882845007702E+15 |
Circumference | 132499485.03217 |
Square
Length = nPerimeter | 84351792 |
---|---|
Area | 444701550850704 |
Diagonal | 29822862.064219 |
Cube
Length = nSurface area | 2668209305104224 |
---|---|
Volume | 9.377843179859E+21 |
Space diagonal | 36525397.36337 |
Equilateral Triangle
Length = nPerimeter | 63263844 |
---|---|
Area | 1.9256142006952E+14 |
Altitude | 18262698.681685 |
Triangular Pyramid
Length = nSurface area | 1.9256142006952E+14 |
---|---|
Volume | 1.1051894175637E+21 |
Height | 9940954.0214062 |