20123561 (number)

20123561 is an odd 8-digits composite number following 20123560 and preceding 20123562. In scientific notation, it is written as 2.0123561 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20039124 positive integers (up to 20123561) that are relatively prime to 20123561.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0123561 × 10^7
Engineering notation 2.0123561 × 10^6

Prime Factorization of 20123561

Prime Factorization 239 × 84199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20123561
Product of the distinct prime numbers

The prime factorization of 20123561 is 239 × 84199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123561)

Multiplication

n×y
n×2 40247122
n×3 60370683
n×4 80494244
n×5 100617805

Division

n÷y
n÷2 10061780.5
n÷3 6707853.6666667
n÷3 5030890.25
n÷5 4024712.2

Exponentiation

ny
n2 404957707320721
n3 8.1491911256887E+21
n4 1.6399074471845E+29
n5 3.3000777547773E+36

Nth Root

y√n
2√n 4485.9292236949
3√n 271.99960802279
4√n 66.977079838516
5√n 28.889562627294

Divisors of 20123561

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 -20123560
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 20123561 can be divided by 4 positive divisors. The sum of these divisors (counting 20123561) is 1, the average is 0.25.

Base conversion 20123561

Base System Value
2 Binary 1001100110000111110101001
3 Ternary 1101212101100002
4 Quaternary 1030300332221
5 Quinary 20122423221
6 Senary 1555152345
8 Octal 114607651
10 Decimal 20123561
12 Duodecimal 68a56b5
16 Hexadecimal 1330fa9
20 Vigesimal 65f8i1
36 Base36 bzbft

Cryptographic Hash Functions

md5 328d6aa1bb9504624140ecbaaae7c064
sha1 2912c81fae4f1abced2e8232d37d1f6d95ba3235
sha256 a272a0ab9ab9bc5314e8b68e4de78308ae430ffdb05207119866bcede0dff301
sha512 dc2f3f749ce27e270f89c592b900f985f2c8a97773621367f4faaa669dc575fbef375b98e1f31b009b11f08a835540179b08942e6eb50f78b2ad677b82c8e1bf
ripemd-160 aa90b44708e88987e8e69965be231f8a88b15e86

20123561 as geometric shapes

Circle

Radius = n
Diameter 40247122
Circumference 126440062.80333
Area 1.2722121583333E+15

Sphere

Radius = n
Volume 3.4135251964217E+22
Surface area 5.0888486333334E+15
Circumference 126440062.80333

Square

Length = n
Perimeter 80494244
Area 404957707320721
Diagonal 28459012.889442

Cube

Length = n
Surface area 2429746243924326
Volume 8.1491911256887E+21
Space diagonal 34855030.081212

Equilateral Triangle

Length = n
Perimeter 60370683
Area 1.7535183099902E+14
Altitude 17427515.040606

Triangular Pyramid

Length = n
Surface area 1.7535183099902E+14
Volume 9.6039138435995E+20
Height 9486337.6298141