821490243 (number)
821490243 is an odd 9-digits composite number following 821490242 and preceding 821490244. In scientific notation, it is written as 8.21490243 × 10^8. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 450261504 positive integers (up to 821490243) that are relatively prime to 821490243.
Interesting facts
- 821490243 has 48 divisors, whose sum is 1327151520
- The reverse of 821490243 is 342094128
- Previous prime number is 73
Basic properties
- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 33
- Digital Root 6
Name
Name | eight hundred twenty-one million four hundred ninety thousand two hundred forty-three |
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Notation
Scientific notation | 8.21490243 × 10^8 |
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Engineering notation | 8.21490243 × 10^6 |
Prime Factorization of 821490243
Prime Factorization 3 × 7 × 7 × 37 × 73 × 2069
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 117355749 | Product of the distinct prime numbers |
The prime factorization of 821490243 is 3 × 7 × 7 × 37 × 73 × 2069. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 821490243)
Multiplication
n×yn×2 | 1642980486 |
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n×3 | 2464470729 |
n×4 | 3285960972 |
n×5 | 4107451215 |
Division
n÷yn÷2 | 410745121.5 |
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n÷3 | 273830081 |
n÷3 | 205372560.75 |
n÷5 | 164298048.6 |
Exponentiation
nyn2 | 674846219344199049 |
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n3 | 5.543795847167E+26 |
n4 | 4.5541741976316E+35 |
n5 | 3.7412096682767E+44 |
Nth Root
y√n2√n | 28661.651086426 |
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3√n | 936.55683249782 |
4√n | 169.29752238714 |
5√n | 60.662524806845 |
Divisors of 821490243
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 | -821490242 | 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 821490243 can be divided by 48 positive divisors. The sum of these divisors (counting 821490243) is 1, the average is 0.020833333333333.
Base conversion 821490243
Base | System | Value |
---|---|---|
2 | Binary | 110000111101101111001001000011 |
3 | Ternary | 2010020210000202120 |
4 | Quaternary | 300331233021003 |
5 | Quinary | 3140300141433 |
6 | Senary | 213303215323 |
8 | Octal | 6075571103 |
10 | Decimal | 821490243 |
12 | Duodecimal | 1ab147543 |
16 | Hexadecimal | 30f6f243 |
20 | Vigesimal | cge65c3 |
36 | Base36 | dl3dxf |
Cryptographic Hash Functions
md5 | b17c41129efabad251a3ecfe51f40f72 |
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sha1 | 3bb8a5dc157f6aa9e455bde3e6255a343190e3ee |
sha256 | cb79a00f4e020ac5f3610c353e88657a06af379949f1555672bdc73237c6afb9 |
sha512 | 2d6e3fdfa5e90812c9f3f09f38c3afd2bac944a00a520ef7154c541a9fa2f548acdc8fd8741f2c51dc17eabfdcd511a8ac1a5a65ac770f30ca7a009889c15507 |
ripemd-160 | e735e6e251d4472d72cbe4183b8fbec25c8b3e8a |
821490243 as geometric shapes
Circle
Radius = nDiameter | 1642980486 |
---|---|
Circumference | 5161575424.809 |
Area | 2.1200919249946E+18 |
Sphere
Radius = nVolume | 2.3221797741948E+27 |
---|---|
Surface area | 8.4803676999783E+18 |
Circumference | 5161575424.809 |
Square
Length = nPerimeter | 3285960972 |
---|---|
Area | 674846219344199049 |
Diagonal | 1161762643.0078 |
Cube
Length = nSurface area | 4049077316065194294 |
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Volume | 5.543795847167E+26 |
Space diagonal | 1422862838.7981 |
Equilateral Triangle
Length = nPerimeter | 2464470729 |
---|---|
Area | 2.9221698479998E+17 |
Altitude | 711431419.39905 |
Triangular Pyramid
Length = nSurface area | 2.9221698479998E+17 |
---|---|
Volume | 6.5334260617426E+25 |
Height | 387254214.33592 |