20201561 (number)

20201561 is an odd 8-digits composite number following 20201560 and preceding 20201562. In scientific notation, it is written as 2.0201561 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 19708800 positive integers (up to 20201561) that are relatively prime to 20201561.

Interesting facts

Basic properties

Name

Name twenty million two hundred one thousand five hundred sixty-one

Notation

Scientific notation 2.0201561 × 10^7
Engineering notation 2.0201561 × 10^6

Prime Factorization of 20201561

Prime Factorization 41 × 492721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20201561
Product of the distinct prime numbers

The prime factorization of 20201561 is 41 × 492721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20201561)

Multiplication

n×y
n×2 40403122
n×3 60604683
n×4 80806244
n×5 101007805

Division

n÷y
n÷2 10100780.5
n÷3 6733853.6666667
n÷3 5050390.25
n÷5 4040312.2

Exponentiation

ny
n2 408103066836721
n3 8.2443189989891E+21
n4 1.6654811316154E+29
n5 3.3645318674677E+36

Nth Root

y√n
2√n 4494.6146664647
3√n 272.35058329483
4√n 67.041887402315
5√n 28.911923483707

Divisors of 20201561

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20201560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20201561 can be divided by 4 positive divisors. The sum of these divisors (counting 20201561) is 1, the average is 0.25.

Base conversion 20201561

Base System Value
2 Binary 1001101000100000001011001
3 Ternary 1102000100022222
4 Quaternary 1031010001121
5 Quinary 20132422221
6 Senary 2000553425
8 Octal 115040131
10 Decimal 20201561
12 Duodecimal 6922875
16 Hexadecimal 1344059
20 Vigesimal 6653i1
36 Base36 c0zmh

Cryptographic Hash Functions

md5 e2838054c5df34d083b8c1765c31bc59
sha1 66fc8d0ac12692ed701a668c70a4cc3e10b7fbd8
sha256 0fd7b275a1923dfecc46934fd6b4d3eef2e1ba484bc5ee89c5dcdf016d754815
sha512 121889900bb829b5874b40984cba998162ac31204e3cfe08fc17c3f1667f71c1896338cb65ab71532df02ba619371eddefaf3756ed5abb05e0e1a39fae8d4211
ripemd-160 00b8af23c3126b9b846a7bdbbb271fd5bbaefd97

20201561 as geometric shapes

Circle

Radius = n
Diameter 40403122
Circumference 126930151.25729
Area 1.2820935966817E+15

Sphere

Radius = n
Volume 3.45337226681E+22
Surface area 5.1283743867268E+15
Circumference 126930151.25729

Square

Length = n
Perimeter 80806244
Area 408103066836721
Diagonal 28569321.547307

Cube

Length = n
Surface area 2448618401020326
Volume 8.2443189989891E+21
Space diagonal 34990130.044202

Equilateral Triangle

Length = n
Perimeter 60604683
Area 1.7671381162147E+14
Altitude 17495065.022101

Triangular Pyramid

Length = n
Surface area 1.7671381162147E+14
Volume 9.7160231174171E+20
Height 9523107.1824358