20138790 (number)
20138790 is an even 8-digits composite number following 20138789 and preceding 20138791. In scientific notation, it is written as 2.0138790 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 64 positive divisors. There are 4488960 positive integers (up to 20138790) that are relatively prime to 20138790.
Interesting facts
- 20138790 has 64 divisors, whose sum is 56609280
- The reverse of 20138790 is 09783102
- Previous prime number is 41
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | twenty million one hundred thirty-eight thousand seven hundred ninety |
---|
Notation
Scientific notation | 2.0138790 × 10^7 |
---|---|
Engineering notation | 2.0138790 × 10^6 |
Prime Factorization of 20138790
Prime Factorization 2 × 3 × 5 × 7 × 41 × 2339
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 20138790 | Product of the distinct prime numbers |
The prime factorization of 20138790 is 2 × 3 × 5 × 7 × 41 × 2339. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20138790)
Multiplication
n×yn×2 | 40277580 |
---|---|
n×3 | 60416370 |
n×4 | 80555160 |
n×5 | 100693950 |
Division
n÷yn÷2 | 10069395 |
---|---|
n÷3 | 6712930 |
n÷3 | 5034697.5 |
n÷5 | 4027758 |
Exponentiation
nyn2 | 405570862664100 |
---|---|
n3 | 8.1677064333112E+21 |
n4 | 1.644877246421E+29 |
n5 | 3.3125837441451E+36 |
Nth Root
y√n2√n | 4487.6263213418 |
---|---|
3√n | 272.06820485389 |
4√n | 66.989747882358 |
5√n | 28.893933881762 |
Divisors of 20138790
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 | -20138789 | 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 20138790 can be divided by 64 positive divisors. The sum of these divisors (counting 20138790) is 1, the average is 0.015625.
Base conversion 20138790
Base | System | Value |
---|---|---|
2 | Binary | 1001100110100101100100110 |
3 | Ternary | 1101220011020010 |
4 | Quaternary | 1030310230212 |
5 | Quinary | 20123420130 |
6 | Senary | 1555351050 |
8 | Octal | 114645446 |
10 | Decimal | 20138790 |
12 | Duodecimal | 68b2486 |
16 | Hexadecimal | 1334b26 |
20 | Vigesimal | 65h6ja |
36 | Base36 | bzn6u |
Cryptographic Hash Functions
md5 | d31a9c7ace83d2ad6754bee5ef43aeda |
---|---|
sha1 | 70898c87326644357e46668e0740c87b8ecabe21 |
sha256 | 1e2d4cae7c803532f288f4c0b1506f3e6ba463ea1314471e48de6d12d8166f71 |
sha512 | e5a6304c10b5ab953d6a0f8ac86525f4c9d97bc413584f4b57ead83663e00ad04af4ad7091e35d63a2af0dd28c46637182dc7a5050ed98b6cc315fc3959cb13c |
ripemd-160 | 32d509a54037ff7c951b72fc405a5067fc58bbe9 |
20138790 as geometric shapes
Circle
Radius = nDiameter | 40277580 |
---|---|
Circumference | 126535749.43238 |
Area | 1.2741384426556E+15 |
Sphere
Radius = nVolume | 3.4212808703425E+22 |
---|---|
Surface area | 5.0965537706224E+15 |
Circumference | 126535749.43238 |
Square
Length = nPerimeter | 80555160 |
---|---|
Area | 405570862664100 |
Diagonal | 28480549.947784 |
Cube
Length = nSurface area | 2433425175984600 |
---|---|
Volume | 8.1677064333112E+21 |
Space diagonal | 34881407.48296 |
Equilateral Triangle
Length = nPerimeter | 60416370 |
---|---|
Area | 1.7561733505094E+14 |
Altitude | 17440703.74148 |
Triangular Pyramid
Length = nSurface area | 1.7561733505094E+14 |
---|---|
Volume | 9.6257343428922E+20 |
Height | 9493516.6492612 |