12821830 (number)
12821830 is an even 8-digits composite number following 12821829 and preceding 12821831. In scientific notation, it is written as 1.2821830 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 48 positive divisors. There are 4341120 positive integers (up to 12821830) that are relatively prime to 12821830.
Interesting facts
- 12821830 has 48 divisors, whose sum is 27184896
- The reverse of 12821830 is 03812821
- Previous prime number is 191
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 25
- Digital Root 7
Name
Name | twelve million eight hundred twenty-one thousand eight hundred thirty |
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Notation
Scientific notation | 1.2821830 × 10^7 |
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Engineering notation | 1.2821830 × 10^6 |
Prime Factorization of 12821830
Prime Factorization 2 × 7 × 7 × 5 × 191 × 137
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 1831690 | Product of the distinct prime numbers |
The prime factorization of 12821830 is 2 × 7 × 7 × 5 × 191 × 137. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12821830)
Multiplication
n×yn×2 | 25643660 |
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n×3 | 38465490 |
n×4 | 51287320 |
n×5 | 64109150 |
Division
n÷yn÷2 | 6410915 |
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n÷3 | 4273943.3333333 |
n÷3 | 3205457.5 |
n÷5 | 2564366 |
Exponentiation
nyn2 | 164399324548900 |
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n3 | 2.1079001914808E+21 |
n4 | 2.7027137912135E+28 |
n5 | 3.4653736769594E+35 |
Nth Root
y√n2√n | 3580.7582995785 |
---|---|
3√n | 234.05432541981 |
4√n | 59.839437660948 |
5√n | 26.39915359904 |
Divisors of 12821830
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 | -12821829 | 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 12821830 can be divided by 48 positive divisors. The sum of these divisors (counting 12821830) is 1, the average is 0.020833333333333.
Base conversion 12821830
Base | System | Value |
---|---|---|
2 | Binary | 110000111010010101000110 |
3 | Ternary | 220010102020121 |
4 | Quaternary | 300322111012 |
5 | Quinary | 11240244310 |
6 | Senary | 1134452154 |
8 | Octal | 60722506 |
10 | Decimal | 12821830 |
12 | Duodecimal | 436405a |
16 | Hexadecimal | c3a546 |
20 | Vigesimal | 402eba |
36 | Base36 | 7mtdy |
Cryptographic Hash Functions
md5 | d411f0af20236d74c3798a559e726e10 |
---|---|
sha1 | 96aa6f1054db1d9cb6da55e3f56607d24b4abacc |
sha256 | 38665576a55c7936bc55d04d5a6676988bb24ac8cc7f2e08db2e0addabc36194 |
sha512 | ee95448207653ff2adfd4122ddcea9c9160eee56c921b5fa67f0dce8e18331bca5659be75976918c5990acc3b0e8c6c05d7d0c1cd6c2ae1112dcd39354b50de2 |
ripemd-160 | 12e074363b20bc09134e949fd288689f7d7a882d |
12821830 as geometric shapes
Circle
Radius = nDiameter | 25643660 |
---|---|
Circumference | 80561933.867154 |
Area | 5.1647571025795E+14 |
Sphere
Radius = nVolume | 8.8295516747422E+21 |
---|---|
Surface area | 2.0659028410318E+15 |
Circumference | 80561933.867154 |
Square
Length = nPerimeter | 51287320 |
---|---|
Area | 164399324548900 |
Diagonal | 18132805.880442 |
Cube
Length = nSurface area | 986395947293400 |
---|---|
Volume | 2.1079001914808E+21 |
Space diagonal | 22208061.006011 |
Equilateral Triangle
Length = nPerimeter | 38465490 |
---|---|
Area | 71186995712175 |
Altitude | 11104030.503005 |
Triangular Pyramid
Length = nSurface area | 71186995712175 |
---|---|
Volume | 2.4841841991009E+20 |
Height | 6044268.6268141 |