20129312 (number)
20129312 is an even 8-digits composite number following 20129311 and preceding 20129313. In scientific notation, it is written as 2.0129312 × 10^7. The sum of its digits is 20. It has a total of 8 prime factors and 48 positive divisors. There are 8501760 positive integers (up to 20129312) that are relatively prime to 20129312.
Interesting facts
- 20129312 has 48 divisors, whose sum is 45948672
- The reverse of 20129312 is 21392102
- Previous prime number is 73
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 20
- Digital Root 2
Name
Name | twenty million one hundred twenty-nine thousand three hundred twelve |
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Notation
Scientific notation | 2.0129312 × 10^7 |
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Engineering notation | 2.0129312 × 10^6 |
Prime Factorization of 20129312
Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 73 × 1231
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1258082 | Product of the distinct prime numbers |
The prime factorization of 20129312 is 2 × 2 × 2 × 2 × 2 × 7 × 73 × 1231. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20129312)
Multiplication
n×yn×2 | 40258624 |
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n×3 | 60387936 |
n×4 | 80517248 |
n×5 | 100646560 |
Division
n÷yn÷2 | 10064656 |
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n÷3 | 6709770.6666667 |
n÷3 | 5032328 |
n÷5 | 4025862.4 |
Exponentiation
nyn2 | 405189201593344 |
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n3 | 8.1561798579033E+21 |
n4 | 1.6417828908785E+29 |
n5 | 3.3047960046756E+36 |
Nth Root
y√n2√n | 4486.5701822216 |
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3√n | 272.02551663732 |
4√n | 66.981864577075 |
5√n | 28.891213675887 |
Divisors of 20129312
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 | -20129311 | 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 20129312 can be divided by 48 positive divisors. The sum of these divisors (counting 20129312) is 1, the average is 0.020833333333333.
Base conversion 20129312
Base | System | Value |
---|---|---|
2 | Binary | 1001100110010011000100000 |
3 | Ternary | 1101212200020002 |
4 | Quaternary | 1030302120200 |
5 | Quinary | 20123114222 |
6 | Senary | 1555235132 |
8 | Octal | 114623040 |
10 | Decimal | 20129312 |
12 | Duodecimal | 68a8aa8 |
16 | Hexadecimal | 1332620 |
20 | Vigesimal | 65g35c |
36 | Base36 | bzfvk |
Cryptographic Hash Functions
md5 | cdfe88f55d177954b03d1a114a74e720 |
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sha1 | 357b7dbd5015c3500d276cbb538d11b85659e4f2 |
sha256 | 469363c67c33031418e65ac5e4fa9d9e43a93ac3b47502ee40ea17bb0ec4c36d |
sha512 | 10163d01023bfb83db71f65f4ae414fda57e890e4eb1b02b961be373b2c3f79272aec4005406528db86ea0d624ca7422a849961f3c9b6e456775c52083531ccc |
ripemd-160 | 433bcfef7c754a0afdc2748d4fa337c8edb8629e |
20129312 as geometric shapes
Circle
Radius = nDiameter | 40258624 |
---|---|
Circumference | 126476197.40203 |
Area | 1.2729394190396E+15 |
Sphere
Radius = nVolume | 3.4164526297261E+22 |
---|---|
Surface area | 5.0917576761583E+15 |
Circumference | 126476197.40203 |
Square
Length = nPerimeter | 80517248 |
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Area | 405189201593344 |
Diagonal | 28467146.031639 |
Cube
Length = nSurface area | 2431135209560064 |
---|---|
Volume | 8.1561798579033E+21 |
Space diagonal | 34864991.105406 |
Equilateral Triangle
Length = nPerimeter | 60387936 |
---|---|
Area | 1.7545207095948E+14 |
Altitude | 17432495.552703 |
Triangular Pyramid
Length = nSurface area | 1.7545207095948E+14 |
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Volume | 9.6121501435009E+20 |
Height | 9489048.6772132 |