20145642 (number)

20145642 is an even 8-digits composite number following 20145641 and preceding 20145643. In scientific notation, it is written as 2.0145642 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6104720 positive integers (up to 20145642) that are relatively prime to 20145642.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand six hundred forty-two

Notation

Scientific notation 2.0145642 × 10^7
Engineering notation 2.0145642 × 10^6

Prime Factorization of 20145642

Prime Factorization 2 × 3 × 11 × 305237

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145642
Product of the distinct prime numbers

The prime factorization of 20145642 is 2 × 3 × 11 × 305237. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 89, 62, 599, 492, 3525, 1439, 42871, 84321, 829548, 192793, 8428777, 8912219, 64994275, 51105449, 580680414, 471446525, 2032248162, 7503328233

Basic calculations (n = 20145642)

Multiplication

n×y
n×2 40291284
n×3 60436926
n×4 80582568
n×5 100728210

Division

n÷y
n÷2 10072821
n÷3 6715214
n÷3 5036410.5
n÷5 4029128.4

Exponentiation

ny
n2 405846891592164
n3 8.1760461848285E+21
n4 1.6471169941502E+29
n5 3.3182229296266E+36

Nth Root

y√n
2√n 4488.3896889642
3√n 272.09905741842
4√n 66.995445285215
5√n 28.895899782356

Divisors of 20145642

1, 2, 3, 6, 11, 22, 33, 66, 305237, 610474, 915711, 1831422, 3357607, 6715214, 10072821, 20145642

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145642 can be divided by 16 positive divisors. The sum of these divisors (counting 20145642) is 1, the average is 0.0625.

Base conversion 20145642

Base System Value
2 Binary 1001100110110010111101010
3 Ternary 1101220111121220
4 Quaternary 1030312113222
5 Quinary 20124130032
6 Senary 1555442510
8 Octal 114662752
10 Decimal 20145642
12 Duodecimal 68b6436
16 Hexadecimal 13365ea
20 Vigesimal 65i422
36 Base36 bzsh6

Cryptographic Hash Functions

md5 3b5b30629e306acbafb1987abdcb1c57
sha1 73e8894e68aa3b96969887b69cb9bbf7e0db237f
sha256 b0fcca0a421f80d7ead5374e5a6c8ce90945e805158a31e7b2477ad751e3b750
sha512 1eae75d0b465f323363d3dd8d991db2b870c5d569baf7a7ace3c084086e4a06f20a6736852d3a5c4ba54d994ea8ad5a3fcf6c22ec0c8ab88981273b57550dbe3
ripemd-160 d03e0f62df82179100241f0ecb59358d79686982

20145642 as geometric shapes

Circle

Radius = n
Diameter 40291284
Circumference 126578801.8181
Area 1.2750056131082E+15

Sphere

Radius = n
Volume 3.4247742172891E+22
Surface area 5.1000224524328E+15
Circumference 126578801.8181

Square

Length = n
Perimeter 80582568
Area 405846891592164
Diagonal 28490240.139113

Cube

Length = n
Surface area 2435081349552984
Volume 8.1760461848285E+21
Space diagonal 34893275.495093

Equilateral Triangle

Length = n
Perimeter 60436926
Area 1.7573685908288E+14
Altitude 17446637.747547

Triangular Pyramid

Length = n
Surface area 1.7573685908288E+14
Volume 9.6355628343111E+20
Height 9496746.7130377