21552642 (number)
21552642 is an even 8-digits composite number following 21552641 and preceding 21552643. In scientific notation, it is written as 2.1552642 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 7056720 positive integers (up to 21552642) that are relatively prime to 21552642.
Interesting facts
- 21552642 has 48 divisors, whose sum is 49288512
- The reverse of 21552642 is 24625512
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million five hundred fifty-two thousand six hundred forty-two |
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Notation
Scientific notation | 2.1552642 × 10^7 |
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Engineering notation | 2.1552642 × 10^6 |
Prime Factorization of 21552642
Prime Factorization 2 × 9 × 3 × 9 × 61 × 727
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 2394738 | Product of the distinct prime numbers |
The prime factorization of 21552642 is 2 × 9 × 3 × 9 × 61 × 727. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21552642)
Multiplication
n×yn×2 | 43105284 |
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n×3 | 64657926 |
n×4 | 86210568 |
n×5 | 107763210 |
Division
n÷yn÷2 | 10776321 |
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n÷3 | 7184214 |
n÷3 | 5388160.5 |
n÷5 | 4310528.4 |
Exponentiation
nyn2 | 464516377180164 |
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n3 | 1.0011555180501E+22 |
n4 | 2.1577546466858E+29 |
n5 | 4.6505313423856E+36 |
Nth Root
y√n2√n | 4642.482310144 |
---|---|
3√n | 278.29164741577 |
4√n | 68.135763811261 |
5√n | 29.288700498363 |
Divisors of 21552642
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 | -21552641 | 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 21552642 can be divided by 48 positive divisors. The sum of these divisors (counting 21552642) is 1, the average is 0.020833333333333.
Base conversion 21552642
Base | System | Value |
---|---|---|
2 | Binary | 1010010001101111000000010 |
3 | Ternary | 1111112222200000 |
4 | Quaternary | 1102031320002 |
5 | Quinary | 21004141032 |
6 | Senary | 2045540430 |
8 | Octal | 122157002 |
10 | Decimal | 21552642 |
12 | Duodecimal | 7274716 |
16 | Hexadecimal | 148de02 |
20 | Vigesimal | 6ee1c2 |
36 | Base36 | cty4i |
Cryptographic Hash Functions
md5 | d07f3ee829374d7f8ba0994dce5d9060 |
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sha1 | 382f0201104d0bbdd6d55a68e71c398d47804a5b |
sha256 | a752f0a814d8eef59dc0ccf01d21d46087fd33292b9510fa69b03c4bdff66801 |
sha512 | b98128e8815e6b8feab9ccb4a15e28b23c73eca6bd1ea430e8b1457be0fb286420c197bfd59bc3fef31bddc5c2992acd07ac07083463474a50cb8d6a6556a7d4 |
ripemd-160 | dbb7f4f68043fc84227325f2ab95ca5b5ea62d72 |
21552642 as geometric shapes
Circle
Radius = nDiameter | 43105284 |
---|---|
Circumference | 135419243.5453 |
Area | 1.4593212380213E+15 |
Sphere
Radius = nVolume | 4.1936304274761E+22 |
---|---|
Surface area | 5.8372849520854E+15 |
Circumference | 135419243.5453 |
Square
Length = nPerimeter | 86210568 |
---|---|
Area | 464516377180164 |
Diagonal | 30480038.621372 |
Cube
Length = nSurface area | 2787098263080984 |
---|---|
Volume | 1.0011555180501E+22 |
Space diagonal | 37330270.981343 |
Equilateral Triangle
Length = nPerimeter | 64657926 |
---|---|
Area | 2.0114149155597E+14 |
Altitude | 18665135.490671 |
Triangular Pyramid
Length = nSurface area | 2.0114149155597E+14 |
---|---|
Volume | 1.1798730930593E+21 |
Height | 10160012.873791 |