20121216 (number)
20121216 is an even 8-digits composite number following 20121215 and preceding 20121217. In scientific notation, it is written as 2.0121216 × 10^7. The sum of its digits is 15. It has a total of 10 prime factors and 64 positive divisors. There are 6589440 positive integers (up to 20121216) that are relatively prime to 20121216.
Interesting facts
- 20121216 has 64 divisors, whose sum is 54386400
- The reverse of 20121216 is 61212102
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 15
- Digital Root 6
Name
Name | twenty million one hundred twenty-one thousand two hundred sixteen |
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Notation
Scientific notation | 2.0121216 × 10^7 |
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Engineering notation | 2.0121216 × 10^6 |
Prime Factorization of 20121216
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 61 × 859
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 314394 | Product of the distinct prime numbers |
The prime factorization of 20121216 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 61 × 859. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20121216)
Multiplication
n×yn×2 | 40242432 |
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n×3 | 60363648 |
n×4 | 80484864 |
n×5 | 100606080 |
Division
n÷yn÷2 | 10060608 |
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n÷3 | 6707072 |
n÷3 | 5030304 |
n÷5 | 4024243.2 |
Exponentiation
nyn2 | 404863333318656 |
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n3 | 8.1463425801847E+21 |
n4 | 1.6391431866589E+29 |
n5 | 3.2981554113693E+36 |
Nth Root
y√n2√n | 4485.6678432537 |
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3√n | 271.98904223446 |
4√n | 66.975128542271 |
5√n | 28.888889295348 |
Divisors of 20121216
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 | -20121215 | 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 20121216 can be divided by 64 positive divisors. The sum of these divisors (counting 20121216) is 1, the average is 0.015625.
Base conversion 20121216
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000011010000000 |
3 | Ternary | 1101212021010020 |
4 | Quaternary | 1030300122000 |
5 | Quinary | 20122334331 |
6 | Senary | 1555133440 |
8 | Octal | 114603200 |
10 | Decimal | 20121216 |
12 | Duodecimal | 68a4280 |
16 | Hexadecimal | 1330680 |
20 | Vigesimal | 65f30g |
36 | Base36 | bz9mo |
Cryptographic Hash Functions
md5 | 5839a4a0943bb79efa10d66007ebbb1c |
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sha1 | bdbabad4b8dedaeeec4d8d11739eb163b9b5e6e4 |
sha256 | f394c185c159159867780c11b089696735803e11eb43d286255568f196775f39 |
sha512 | 056565a22e0d3c0c7f40d98db21d3d160ddbaf124427ddec91fad0428dc9269eb320af9469957a8d481a61c1e7f2bb6d51d6165ae1f4f4adc61940e96ced3b98 |
ripemd-160 | 936920201afd1f99ab71d60abee3d6671053a92f |
20121216 as geometric shapes
Circle
Radius = nDiameter | 40242432 |
---|---|
Circumference | 126425328.73379 |
Area | 1.2719156736618E+15 |
Sphere
Radius = nVolume | 3.4123320004712E+22 |
---|---|
Surface area | 5.0876626946471E+15 |
Circumference | 126425328.73379 |
Square
Length = nPerimeter | 80484864 |
---|---|
Area | 404863333318656 |
Diagonal | 28455696.558639 |
Cube
Length = nSurface area | 2429179999911936 |
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Volume | 8.1463425801847E+21 |
Space diagonal | 34850968.422068 |
Equilateral Triangle
Length = nPerimeter | 60363648 |
---|---|
Area | 1.753109658574E+14 |
Altitude | 17425484.211034 |
Triangular Pyramid
Length = nSurface area | 1.753109658574E+14 |
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Volume | 9.6005568005288E+20 |
Height | 9485232.1862128 |