21136472 (number)
21136472 is an even 8-digits composite number following 21136471 and preceding 21136473. In scientific notation, it is written as 2.1136472 × 10^7. The sum of its digits is 26. It has a total of 7 prime factors and 48 positive divisors. There are 8726400 positive integers (up to 21136472) that are relatively prime to 21136472.
Interesting facts
- 21136472 has 48 divisors, whose sum is 46981680
- The reverse of 21136472 is 27463112
- Previous prime number is 101
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 26
- Digital Root 8
Name
Name | twenty-one million one hundred thirty-six thousand four hundred seventy-two |
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Notation
Scientific notation | 2.1136472 × 10^7 |
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Engineering notation | 2.1136472 × 10^6 |
Prime Factorization of 21136472
Prime Factorization 2 × 2 × 2 × 7 × 37 × 101 × 101
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 52318 | Product of the distinct prime numbers |
The prime factorization of 21136472 is 2 × 2 × 2 × 7 × 37 × 101 × 101. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21136472)
Multiplication
n×yn×2 | 42272944 |
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n×3 | 63409416 |
n×4 | 84545888 |
n×5 | 105682360 |
Division
n÷yn÷2 | 10568236 |
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n÷3 | 7045490.6666667 |
n÷3 | 5284118 |
n÷5 | 4227294.4 |
Exponentiation
nyn2 | 446750448606784 |
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n3 | 9.4427283479647E+21 |
n4 | 1.9958596333036E+29 |
n5 | 4.2185431255252E+36 |
Nth Root
y√n2√n | 4597.4418974034 |
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3√n | 276.48877194775 |
4√n | 67.804438626121 |
5√n | 29.174706770544 |
Divisors of 21136472
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 | -21136471 | 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 21136472 can be divided by 48 positive divisors. The sum of these divisors (counting 21136472) is 1, the average is 0.020833333333333.
Base conversion 21136472
Base | System | Value |
---|---|---|
2 | Binary | 1010000101000010001011000 |
3 | Ternary | 1110202211210022 |
4 | Quaternary | 1100220101120 |
5 | Quinary | 20402331342 |
6 | Senary | 2033010012 |
8 | Octal | 120502130 |
10 | Decimal | 21136472 |
12 | Duodecimal | 70b3908 |
16 | Hexadecimal | 1428458 |
20 | Vigesimal | 6c213c |
36 | Base36 | cl108 |
Cryptographic Hash Functions
md5 | 2c7146bc1e30a62a971fca074522b85b |
---|---|
sha1 | 25c0413a4b602a4d5079c89638569a84cfe9ca3b |
sha256 | 48d950aa648c1ff99e23555f5f766a319fd9cf28299b4e3cc133947089c1ea31 |
sha512 | 98a0c5a4de9fdb617a322a7f7330baad440f25d4db79837f2b974df6e5ba1d1356b5718a862fae80f071eb0f596ee27d9e28ca8e48e69c9ce18cd208af6e4d36 |
ripemd-160 | c84f4da782b983d8ed09bdef980abab631c963ab |
21136472 as geometric shapes
Circle
Radius = nDiameter | 42272944 |
---|---|
Circumference | 132804370.31601 |
Area | 1.403507927331E+15 |
Sphere
Radius = nVolume | 3.9553608010413E+22 |
---|---|
Surface area | 5.6140317093241E+15 |
Circumference | 132804370.31601 |
Square
Length = nPerimeter | 84545888 |
---|---|
Area | 446750448606784 |
Diagonal | 29891485.363119 |
Cube
Length = nSurface area | 2680502691640704 |
---|---|
Volume | 9.4427283479647E+21 |
Space diagonal | 36609443.396757 |
Equilateral Triangle
Length = nPerimeter | 63409416 |
---|---|
Area | 1.9344861882278E+14 |
Altitude | 18304721.698378 |
Triangular Pyramid
Length = nSurface area | 1.9344861882278E+14 |
---|---|
Volume | 1.1128362079581E+21 |
Height | 9963828.4543731 |