20145142 (number)

20145142 is an even 8-digits composite number following 20145141 and preceding 20145143. In scientific notation, it is written as 2.0145142 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 10072570 positive integers (up to 20145142) that are relatively prime to 20145142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145142 × 10^7
Engineering notation 2.0145142 × 10^6

Prime Factorization of 20145142

Prime Factorization 2 × 10072571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145142
Product of the distinct prime numbers

The prime factorization of 20145142 is 2 × 10072571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145142)

Multiplication

n×y
n×2 40290284
n×3 60435426
n×4 80580568
n×5 100725710

Division

n÷y
n÷2 10072571
n÷3 6715047.3333333
n÷3 5036285.5
n÷5 4029028.4

Exponentiation

ny
n2 405826746200164
n3 8.1754374296003E+21
n4 1.6469534793141E+29
n5 3.3178111708177E+36

Nth Root

y√n
2√n 4488.3339893551
3√n 272.09680630038
4√n 66.995029586941
5√n 28.895756345941

Divisors of 20145142

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 -20145141
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 20145142 can be divided by 4 positive divisors. The sum of these divisors (counting 20145142) is 1, the average is 0.25.

Base conversion 20145142

Base System Value
2 Binary 1001100110110001111110110
3 Ternary 1101220110221101
4 Quaternary 1030312033312
5 Quinary 20124121032
6 Senary 1555440314
8 Octal 114661766
10 Decimal 20145142
12 Duodecimal 68b609a
16 Hexadecimal 13363f6
20 Vigesimal 65i2h2
36 Base36 bzs3a

Cryptographic Hash Functions

md5 66e913f64aa2052cfac7d5da89305efd
sha1 1f5fdfb26ee300f1f511105380d5c0ece053de79
sha256 64fe9d3171349b1f3e625f481570758bfd6e91d142b941ffb249a1a95dd75beb
sha512 5d2ad583b8a1bae8616091878d58cbfdff450dabaa749fdac6d2bee9e8611447fd86b5c4657872ed0cbc81bbd4e0a0dccf7caab6c4e0559375f21f03ad334293
ripemd-160 eefb72ab47da7903f1d749ac4ad0a9c859da04fd

20145142 as geometric shapes

Circle

Radius = n
Diameter 40290284
Circumference 126575660.22545
Area 1.2749423244927E+15

Sphere

Radius = n
Volume 3.4245192224954E+22
Surface area 5.0997692979707E+15
Circumference 126575660.22545

Square

Length = n
Perimeter 80580568
Area 405826746200164
Diagonal 28489533.032332

Cube

Length = n
Surface area 2434960477200984
Volume 8.1754374296003E+21
Space diagonal 34892409.46969

Equilateral Triangle

Length = n
Perimeter 60435426
Area 1.7572813587226E+14
Altitude 17446204.734845

Triangular Pyramid

Length = n
Surface area 1.7572813587226E+14
Volume 9.6348454093944E+20
Height 9496511.0107773