20402542 (number)

20402542 is an even 8-digits composite number following 20402541 and preceding 20402543. In scientific notation, it is written as 2.0402542 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 9664344 positive integers (up to 20402542) that are relatively prime to 20402542.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0402542 × 10^7
Engineering notation 2.0402542 × 10^6

Prime Factorization of 20402542

Prime Factorization 2 × 19 × 536909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402542
Product of the distinct prime numbers

The prime factorization of 20402542 is 2 × 19 × 536909. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402542)

Multiplication

n×y
n×2 40805084
n×3 61207626
n×4 81610168
n×5 102012710

Division

n÷y
n÷2 10201271
n÷3 6800847.3333333
n÷3 5100635.5
n÷5 4080508.4

Exponentiation

ny
n2 416263720061764
n3 8.4928380316364E+21
n4 1.7327548463966E+29
n5 3.535260352931E+36

Nth Root

y√n
2√n 4516.9173116186
3√n 273.25079039724
4√n 67.208015233442
5√n 28.969223614336

Divisors of 20402542

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20402541
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20402542 can be divided by 8 positive divisors. The sum of these divisors (counting 20402542) is 1, the average is 0.125.

Base conversion 20402542

Base System Value
2 Binary 1001101110101000101101110
3 Ternary 1102101120000201
4 Quaternary 1031311011232
5 Quinary 20210340132
6 Senary 2005144114
8 Octal 115650556
10 Decimal 20402542
12 Duodecimal 69bb03a
16 Hexadecimal 137516e
20 Vigesimal 67a672
36 Base36 c5apa

Cryptographic Hash Functions

md5 69bb294e6a6c5c6042945d5ede275a63
sha1 c1fa93c05d442f0c80fdbd0fe8336b0c9e01f13d
sha256 09d0f29bb8a4bc8eb7f20e635b552969cc76d7d2564406a3a2696777984583af
sha512 265712eec632aff4e2d9d23703f8340ab0161fd012b6dafc7d7435d0feac465d10101e1199ce8b43d08cfc0cd62d1a9cb72fee84de59e1b1514f4a5888f2f8b3
ripemd-160 464c9a7b54a4b5e42a7a74882cf41a3406836454

20402542 as geometric shapes

Circle

Radius = n
Diameter 40805084
Circumference 128192952.12351
Area 1.307731044902E+15

Sphere

Radius = n
Volume 3.5574716757756E+22
Surface area 5.230924179608E+15
Circumference 128192952.12351

Square

Length = n
Perimeter 81610168
Area 416263720061764
Diagonal 28853551.603287

Cube

Length = n
Surface area 2497582320370584
Volume 8.4928380316364E+21
Space diagonal 35338239.347558

Equilateral Triangle

Length = n
Perimeter 61207626
Area 1.8024747812365E+14
Altitude 17669119.673779

Triangular Pyramid

Length = n
Surface area 1.8024747812365E+14
Volume 1.0008905606148E+21
Height 9617850.5344289