12187890 (number)
12187890 is an even 8-digits composite number following 12187889 and preceding 12187891. In scientific notation, it is written as 1.2187890 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 96 positive divisors. There are 2724480 positive integers (up to 12187890) that are relatively prime to 12187890.
Interesting facts
- 12187890 has 96 divisors, whose sum is 37267776
- The reverse of 12187890 is 09878121
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | twelve million one hundred eighty-seven thousand eight hundred ninety |
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Notation
Scientific notation | 1.2187890 × 10^7 |
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Engineering notation | 1.2187890 × 10^6 |
Prime Factorization of 12187890
Prime Factorization 2 × 3 × 3 × 5 × 11 × 13 × 947
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 4062630 | Product of the distinct prime numbers |
The prime factorization of 12187890 is 2 × 3 × 3 × 5 × 11 × 13 × 947. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12187890)
Multiplication
n×yn×2 | 24375780 |
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n×3 | 36563670 |
n×4 | 48751560 |
n×5 | 60939450 |
Division
n÷yn÷2 | 6093945 |
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n÷3 | 4062630 |
n÷3 | 3046972.5 |
n÷5 | 2437578 |
Exponentiation
nyn2 | 148544662652100 |
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n3 | 1.8104460084909E+21 |
n4 | 2.2065516802426E+28 |
n5 | 2.6893209158112E+35 |
Nth Root
y√n2√n | 3491.1158674556 |
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3√n | 230.13155674714 |
4√n | 59.085665498965 |
5√n | 26.132785586158 |
Divisors of 12187890
96 divisors
τ | Total Divisors | 96 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -12187889 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.010416666666667 | 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 | 96 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12187890 can be divided by 96 positive divisors. The sum of these divisors (counting 12187890) is 1, the average is 0.010416666666667.
Base conversion 12187890
Base | System | Value |
---|---|---|
2 | Binary | 101110011111100011110010 |
3 | Ternary | 211221012122100 |
4 | Quaternary | 232133203302 |
5 | Quinary | 11110003030 |
6 | Senary | 1113121230 |
8 | Octal | 56374362 |
10 | Decimal | 12187890 |
12 | Duodecimal | 40b9216 |
16 | Hexadecimal | b9f8f2 |
20 | Vigesimal | 3g39ea |
36 | Base36 | 7988i |
Cryptographic Hash Functions
md5 | af48406157d596d74c9f544711bb8be4 |
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sha1 | 27241854e0d474a5abe9ee9c0b6531e39f739190 |
sha256 | 100754ab962a489935588c41c9b4a7666e1889fc1389115f1be473a900c56720 |
sha512 | 8a237813253aff6e5f2ce0a2f665512e31986340c3cde12f0c080f34141693b5730cdc9519b2aa2fca8267adc56483e42014b9260bbb97f0fbc270141d497ac5 |
ripemd-160 | 8e82a2a6e0a480bf70fb122630898e3b1943203e |
12187890 as geometric shapes
Circle
Radius = nDiameter | 24375780 |
---|---|
Circumference | 76578771.373521 |
Area | 4.6666682091781E+14 |
Sphere
Radius = nVolume | 7.5835785066613E+21 |
---|---|
Surface area | 1.8666672836712E+15 |
Circumference | 76578771.373521 |
Square
Length = nPerimeter | 48751560 |
---|---|
Area | 148544662652100 |
Diagonal | 17236279.334711 |
Cube
Length = nSurface area | 891267975912600 |
---|---|
Volume | 1.8104460084909E+21 |
Space diagonal | 21110044.717061 |
Equilateral Triangle
Length = nPerimeter | 36563670 |
---|---|
Area | 64321725726654 |
Altitude | 10555022.35853 |
Triangular Pyramid
Length = nSurface area | 64321725726654 |
---|---|
Volume | 2.1336310826267E+20 |
Height | 5745426.4449038 |