20129920 (number)
20129920 is an even 8-digits composite number following 20129919 and preceding 20129921. In scientific notation, it is written as 2.0129920 × 10^7. The sum of its digits is 25. It has a total of 10 prime factors and 64 positive divisors. There are 7920640 positive integers (up to 20129920) that are relatively prime to 20129920.
Interesting facts
- 20129920 has 64 divisors, whose sum is 48911040
- The reverse of 20129920 is 02992102
- Previous prime number is 71
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 25
- Digital Root 7
Name
Name | twenty million one hundred twenty-nine thousand nine hundred twenty |
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Notation
Scientific notation | 2.0129920 × 10^7 |
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Engineering notation | 2.0129920 × 10^6 |
Prime Factorization of 20129920
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 71 × 443
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 314530 | Product of the distinct prime numbers |
The prime factorization of 20129920 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 71 × 443. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20129920)
Multiplication
n×yn×2 | 40259840 |
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n×3 | 60389760 |
n×4 | 80519680 |
n×5 | 100649600 |
Division
n÷yn÷2 | 10064960 |
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n÷3 | 6709973.3333333 |
n÷3 | 5032480 |
n÷5 | 4025984 |
Exponentiation
nyn2 | 405213679206400 |
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n3 | 8.1569189453305E+21 |
n4 | 1.6419812581599E+29 |
n5 | 3.3052951368258E+36 |
Nth Root
y√n2√n | 4486.6379394821 |
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3√n | 272.02825542689 |
4√n | 66.982370363269 |
5√n | 28.891388203915 |
Divisors of 20129920
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 | -20129919 | 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 20129920 can be divided by 64 positive divisors. The sum of these divisors (counting 20129920) is 1, the average is 0.015625.
Base conversion 20129920
Base | System | Value |
---|---|---|
2 | Binary | 1001100110010100010000000 |
3 | Ternary | 1101212201001121 |
4 | Quaternary | 1030302202000 |
5 | Quinary | 20123124140 |
6 | Senary | 1555242024 |
8 | Octal | 114624200 |
10 | Decimal | 20129920 |
12 | Duodecimal | 68a9314 |
16 | Hexadecimal | 1332880 |
20 | Vigesimal | 65g4g0 |
36 | Base36 | bzgcg |
Cryptographic Hash Functions
md5 | 176425b4cc2f6353c7cddb1aa5eadce3 |
---|---|
sha1 | ce8769c403b14b83c0983f25f88282b056253719 |
sha256 | 3c71153fa043858ed3c9c1f8493efe4fdddd93da999d11393152b9b838e5d714 |
sha512 | e9d836a68eb425348b29d2f96e3558c9f639526f9be008a9efa9ea61eaea774859c0b72c40005e0dd9ae4bd42015370a0a38bf9c3cdc51911e759ea16b8ac203 |
ripemd-160 | 64fdafe6b5df46ba3f78bf6d111031459e9122f3 |
20129920 as geometric shapes
Circle
Radius = nDiameter | 40259840 |
---|---|
Circumference | 126480017.5787 |
Area | 1.2730163177289E+15 |
Sphere
Radius = nVolume | 3.4167622179437E+22 |
---|---|
Surface area | 5.0920652709157E+15 |
Circumference | 126480017.5787 |
Square
Length = nPerimeter | 80519680 |
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Area | 405213679206400 |
Diagonal | 28468005.873485 |
Cube
Length = nSurface area | 2431282075238400 |
---|---|
Volume | 8.1569189453305E+21 |
Space diagonal | 34866044.192297 |
Equilateral Triangle
Length = nPerimeter | 60389760 |
---|---|
Area | 1.7546267007685E+14 |
Altitude | 17433022.096148 |
Triangular Pyramid
Length = nSurface area | 1.7546267007685E+14 |
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Volume | 9.613021166387E+20 |
Height | 9489335.2911618 |