20121534 (number)
20121534 is an even 8-digits composite number following 20121533 and preceding 20121535. In scientific notation, it is written as 2.0121534 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 40 positive divisors. There are 6474384 positive integers (up to 20121534) that are relatively prime to 20121534.
Interesting facts
- 20121534 has 40 divisors, whose sum is 46652760
- The reverse of 20121534 is 43512102
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty million one hundred twenty-one thousand five hundred thirty-four |
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Notation
Scientific notation | 2.0121534 × 10^7 |
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Engineering notation | 2.0121534 × 10^6 |
Prime Factorization of 20121534
Prime Factorization 2 × 9 × 3 × 3 × 29 × 4283
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 6707178 | Product of the distinct prime numbers |
The prime factorization of 20121534 is 2 × 9 × 3 × 3 × 29 × 4283. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20121534)
Multiplication
n×yn×2 | 40243068 |
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n×3 | 60364602 |
n×4 | 80486136 |
n×5 | 100607670 |
Division
n÷yn÷2 | 10060767 |
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n÷3 | 6707178 |
n÷3 | 5030383.5 |
n÷5 | 4024306.8 |
Exponentiation
nyn2 | 404876130513156 |
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n3 | 8.1467288259089E+21 |
n4 | 1.6392468105931E+29 |
n5 | 3.298416043374E+36 |
Nth Root
y√n2√n | 4485.7032893405 |
---|---|
3√n | 271.99047508457 |
4√n | 66.975393163015 |
5√n | 28.888980608008 |
Divisors of 20121534
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20121533 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20121534 can be divided by 40 positive divisors. The sum of these divisors (counting 20121534) is 1, the average is 0.025.
Base conversion 20121534
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000011110111110 |
3 | Ternary | 1101212021120000 |
4 | Quaternary | 1030300132332 |
5 | Quinary | 20122342114 |
6 | Senary | 1555135130 |
8 | Octal | 114603676 |
10 | Decimal | 20121534 |
12 | Duodecimal | 68a44a6 |
16 | Hexadecimal | 13307be |
20 | Vigesimal | 65f3ge |
36 | Base36 | bz9vi |
Cryptographic Hash Functions
md5 | e1032a4c0d4e914d1373b2b650d90bfe |
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sha1 | a9fac76f8615ccff802b8ee4039b213d9517161e |
sha256 | 1ab6233f95799ddebf1fb8945251b2849826ff3b9580491371c05d1472dd5023 |
sha512 | 45991f7905490325b6a197499958029e1fb5e6ca51dbc99f81ff42d6f0f81e267fa4550fb8abdd8ae01c0bde708ce4e63ca6b07fe330f22a70804b16d3f107f4 |
ripemd-160 | 24e53822c590d13e2523469a8a0f653a8edfc85d |
20121534 as geometric shapes
Circle
Radius = nDiameter | 40243068 |
---|---|
Circumference | 126427326.78671 |
Area | 1.271955877234E+15 |
Sphere
Radius = nVolume | 3.4124937907018E+22 |
---|---|
Surface area | 5.087823508936E+15 |
Circumference | 126427326.78671 |
Square
Length = nPerimeter | 80486136 |
---|---|
Area | 404876130513156 |
Diagonal | 28456146.278551 |
Cube
Length = nSurface area | 2429256783078936 |
---|---|
Volume | 8.1467288259089E+21 |
Space diagonal | 34851519.214225 |
Equilateral Triangle
Length = nPerimeter | 60364602 |
---|---|
Area | 1.7531650720517E+14 |
Altitude | 17425759.607112 |
Triangular Pyramid
Length = nSurface area | 1.7531650720517E+14 |
---|---|
Volume | 9.6010119954802E+20 |
Height | 9485382.0928505 |