21552405 (number)
21552405 is an odd 8-digits composite number following 21552404 and preceding 21552406. In scientific notation, it is written as 2.1552405 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 64 positive divisors. There are 9549120 positive integers (up to 21552405) that are relatively prime to 21552405.
Interesting facts
- 21552405 has 64 divisors, whose sum is 41472000
- The reverse of 21552405 is 50425512
- Previous prime number is 59
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million five hundred fifty-two thousand four hundred five |
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Notation
Scientific notation | 2.1552405 × 10^7 |
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Engineering notation | 2.1552405 × 10^6 |
Prime Factorization of 21552405
Prime Factorization 7 × 7 × 5 × 3 × 7 × 59 × 71
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 439845 | Product of the distinct prime numbers |
The prime factorization of 21552405 is 7 × 7 × 5 × 3 × 7 × 59 × 71. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21552405)
Multiplication
n×yn×2 | 43104810 |
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n×3 | 64657215 |
n×4 | 86209620 |
n×5 | 107762025 |
Division
n÷yn÷2 | 10776202.5 |
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n÷3 | 7184135 |
n÷3 | 5388101.25 |
n÷5 | 4310481 |
Exponentiation
nyn2 | 464506161284025 |
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n3 | 1.0011224912989E+22 |
n4 | 2.1576597387082E+29 |
n5 | 4.6502756540833E+36 |
Nth Root
y√n2√n | 4642.4567849362 |
---|---|
3√n | 278.29062734961 |
4√n | 68.135576499625 |
5√n | 29.288636084426 |
Divisors of 21552405
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21552404 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21552405 can be divided by 64 positive divisors. The sum of these divisors (counting 21552405) is 1, the average is 0.015625.
Base conversion 21552405
Base | System | Value |
---|---|---|
2 | Binary | 1010010001101110100010101 |
3 | Ternary | 1111112222100020 |
4 | Quaternary | 1102031310111 |
5 | Quinary | 21004134110 |
6 | Senary | 2045535353 |
8 | Octal | 122156425 |
10 | Decimal | 21552405 |
12 | Duodecimal | 7274559 |
16 | Hexadecimal | 148dd15 |
20 | Vigesimal | 6ee105 |
36 | Base36 | ctxxx |
Cryptographic Hash Functions
md5 | ed144de7abf82e162f106e10759829b1 |
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sha1 | fbb5d442b8f103614bfc04fe38d871ef387eef02 |
sha256 | 0eee964b494562fcf2ecc35564721979f8a6ae1eed2c2c70b0b0a74732a43eac |
sha512 | 36f12c3bfc10677b68343e3f187186e9bdfda442f31a398197d662bbfaf24254a409c70247f91be25705824fc4b52948cc695eaaddcf34c9e44be968118f2025 |
ripemd-160 | 6c79ea5ce10e195a3ca1779e3bedf8dba0cabcd3 |
21552405 as geometric shapes
Circle
Radius = nDiameter | 43104810 |
---|---|
Circumference | 135417754.43038 |
Area | 1.4592891438371E+15 |
Sphere
Radius = nVolume | 4.193492085344E+22 |
---|---|
Surface area | 5.8371565753484E+15 |
Circumference | 135417754.43038 |
Square
Length = nPerimeter | 86209620 |
---|---|
Area | 464506161284025 |
Diagonal | 30479703.452758 |
Cube
Length = nSurface area | 2787036967704150 |
---|---|
Volume | 1.0011224912989E+22 |
Space diagonal | 37329860.485302 |
Equilateral Triangle
Length = nPerimeter | 64657215 |
---|---|
Area | 2.0113706794318E+14 |
Altitude | 18664930.242651 |
Triangular Pyramid
Length = nSurface area | 2.0113706794318E+14 |
---|---|
Volume | 1.1798341706597E+21 |
Height | 10159901.150919 |