20129820 (number)
20129820 is an even 8-digits composite number following 20129819 and preceding 20129821. In scientific notation, it is written as 2.0129820 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5318656 positive integers (up to 20129820) that are relatively prime to 20129820.
Interesting facts
- 20129820 has 48 divisors, whose sum is 56881440
- The reverse of 20129820 is 02892102
- Previous prime number is 113
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty million one hundred twenty-nine thousand eight hundred twenty |
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Notation
Scientific notation | 2.0129820 × 10^7 |
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Engineering notation | 2.0129820 × 10^6 |
Prime Factorization of 20129820
Prime Factorization 2 × 2 × 5 × 3 × 113 × 2969
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10064910 | Product of the distinct prime numbers |
The prime factorization of 20129820 is 2 × 2 × 5 × 3 × 113 × 2969. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20129820)
Multiplication
n×yn×2 | 40259640 |
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n×3 | 60389460 |
n×4 | 80519280 |
n×5 | 100649100 |
Division
n÷yn÷2 | 10064910 |
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n÷3 | 6709940 |
n÷3 | 5032455 |
n÷5 | 4025964 |
Exponentiation
nyn2 | 405209653232400 |
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n3 | 8.1567973818306E+21 |
n4 | 1.6419486307272E+29 |
n5 | 3.3052130385785E+36 |
Nth Root
y√n2√n | 4486.6267952661 |
---|---|
3√n | 272.02780497187 |
4√n | 66.982287175537 |
5√n | 28.891359498937 |
Divisors of 20129820
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 | -20129819 | 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 20129820 can be divided by 48 positive divisors. The sum of these divisors (counting 20129820) is 1, the average is 0.020833333333333.
Base conversion 20129820
Base | System | Value |
---|---|---|
2 | Binary | 1001100110010100000011100 |
3 | Ternary | 1101212200220220 |
4 | Quaternary | 1030302200130 |
5 | Quinary | 20123123240 |
6 | Senary | 1555241340 |
8 | Octal | 114624034 |
10 | Decimal | 20129820 |
12 | Duodecimal | 68a9250 |
16 | Hexadecimal | 133281c |
20 | Vigesimal | 65g4b0 |
36 | Base36 | bzg9o |
Cryptographic Hash Functions
md5 | 197253e9eb874c3ea92663d6a29206fa |
---|---|
sha1 | 9bf24468ca480b7ca312854fdd53894df0d83a17 |
sha256 | 0f0c1595348bb6f481c5d2a5b21716af0ff516debd01228b387b54d14262ce8c |
sha512 | 8654ff918beed7c4ca4edd77dcd595605c8311be289ce215567670f444e88aa762bda3f05862fe699a202515dc0fcfc8ad8a182e9d3e502b6efbcfd8d0c0f1f6 |
ripemd-160 | 70268860e1b4705a82314a74987a6236564c7caa |
20129820 as geometric shapes
Circle
Radius = nDiameter | 40259640 |
---|---|
Circumference | 126479389.26017 |
Area | 1.2730036697586E+15 |
Sphere
Radius = nVolume | 3.4167112975439E+22 |
---|---|
Surface area | 5.0920146790343E+15 |
Circumference | 126479389.26017 |
Square
Length = nPerimeter | 80519280 |
---|---|
Area | 405209653232400 |
Diagonal | 28467864.452129 |
Cube
Length = nSurface area | 2431257919394400 |
---|---|
Volume | 8.1567973818306E+21 |
Space diagonal | 34865870.987216 |
Equilateral Triangle
Length = nPerimeter | 60389460 |
---|---|
Area | 1.7546092677897E+14 |
Altitude | 17432935.493608 |
Triangular Pyramid
Length = nSurface area | 1.7546092677897E+14 |
---|---|
Volume | 9.6128779024285E+20 |
Height | 9489288.1507097 |