18221520 (number)
18221520 is an even 8-digits composite number following 18221519 and preceding 18221521. In scientific notation, it is written as 1.8221520 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 80 positive divisors. There are 4646400 positive integers (up to 18221520) that are relatively prime to 18221520.
Interesting facts
- 18221520 has 80 divisors, whose sum is 58960512
- The reverse of 18221520 is 02512281
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | eighteen million two hundred twenty-one thousand five hundred twenty |
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Notation
Scientific notation | 1.8221520 × 10^7 |
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Engineering notation | 1.8221520 × 10^6 |
Prime Factorization of 18221520
Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 23 × 3301
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2277690 | Product of the distinct prime numbers |
The prime factorization of 18221520 is 2 × 2 × 2 × 2 × 3 × 5 × 23 × 3301. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18221520)
Multiplication
n×yn×2 | 36443040 |
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n×3 | 54664560 |
n×4 | 72886080 |
n×5 | 91107600 |
Division
n÷yn÷2 | 9110760 |
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n÷3 | 6073840 |
n÷3 | 4555380 |
n÷5 | 3644304 |
Exponentiation
nyn2 | 332023791110400 |
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n3 | 6.049978150194E+21 |
n4 | 1.1023979786332E+29 |
n5 | 2.0087366815625E+36 |
Nth Root
y√n2√n | 4268.6672393149 |
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3√n | 263.14484544416 |
4√n | 65.335038373868 |
5√n | 28.321543634977 |
Divisors of 18221520
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -18221519 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 18221520 can be divided by 80 positive divisors. The sum of these divisors (counting 18221520) is 1, the average is 0.0125.
Base conversion 18221520
Base | System | Value |
---|---|---|
2 | Binary | 1000101100000100111010000 |
3 | Ternary | 1021021202020010 |
4 | Quaternary | 1011200213100 |
5 | Quinary | 14131042040 |
6 | Senary | 1450314520 |
8 | Octal | 105404720 |
10 | Decimal | 18221520 |
12 | Duodecimal | 6128a40 |
16 | Hexadecimal | 11609d0 |
20 | Vigesimal | 5dhdg0 |
36 | Base36 | aujtc |
Cryptographic Hash Functions
md5 | 883e47f9dd64eca95210a1ae8a9df530 |
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sha1 | 1dfe5619ac4ecd626c24bcbc906ae15b2798c573 |
sha256 | 437c0dc4d531d8bdbeaacd85ca717fa7d6622f689252bf3a8e55f6419933c86a |
sha512 | 282cc9b53dcdc352bb470389d117e7120a04014e2db94af0efc2783f80f5f34f83339014520306daa6160072fc46ce4b1b97c055db31f8a1a46de19fd168916f |
ripemd-160 | 5ec7908458c053597e2f8fd52b1655048c8ef16d |
18221520 as geometric shapes
Circle
Radius = nDiameter | 36443040 |
---|---|
Circumference | 114489186.73848 |
Area | 1.0430835029695E+15 |
Sphere
Radius = nVolume | 2.5342089214704E+22 |
---|---|
Surface area | 4.1723340118779E+15 |
Circumference | 114489186.73848 |
Square
Length = nPerimeter | 72886080 |
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Area | 332023791110400 |
Diagonal | 25769120.711053 |
Cube
Length = nSurface area | 1992142746662400 |
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Volume | 6.049978150194E+21 |
Space diagonal | 31560598.431132 |
Equilateral Triangle
Length = nPerimeter | 54664560 |
---|---|
Area | 1.4377051888121E+14 |
Altitude | 15780299.215566 |
Triangular Pyramid
Length = nSurface area | 1.4377051888121E+14 |
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Volume | 7.129967626721E+20 |
Height | 8589706.9036842 |