20787542 (number)

20787542 is an even 8-digits composite number following 20787541 and preceding 20787543. In scientific notation, it is written as 2.0787542 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10387000 positive integers (up to 20787542) that are relatively prime to 20787542.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand five hundred forty-two

Notation

Scientific notation 2.0787542 × 10^7
Engineering notation 2.0787542 × 10^6

Prime Factorization of 20787542

Prime Factorization 2 × 2351 × 4421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20787542
Product of the distinct prime numbers

The prime factorization of 20787542 is 2 × 2351 × 4421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20787542)

Multiplication

n×y
n×2 41575084
n×3 62362626
n×4 83150168
n×5 103937710

Division

n÷y
n÷2 10393771
n÷3 6929180.6666667
n÷3 5196885.5
n÷5 4157508.4

Exponentiation

ny
n2 432121902401764
n3 8.9827521952966E+21
n4 1.8672933853532E+29
n5 3.8816439674352E+36

Nth Root

y√n
2√n 4559.3356972261
3√n 274.95885665468
4√n 67.52285314785
5√n 29.077738592165

Divisors of 20787542

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 -20787541
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 20787542 can be divided by 8 positive divisors. The sum of these divisors (counting 20787542) is 1, the average is 0.125.

Base conversion 20787542

Base System Value
2 Binary 1001111010011000101010110
3 Ternary 1110010010010222
4 Quaternary 1033103011112
5 Quinary 20310200132
6 Senary 2021314342
8 Octal 117230526
10 Decimal 20787542
12 Duodecimal 6b659b2
16 Hexadecimal 13d3156
20 Vigesimal 69i8h2
36 Base36 cdjrq

Cryptographic Hash Functions

md5 2bb9c6086b9f5e23b68df760ddcbf822
sha1 a4d0634fef758fec11b8e5769d789014d5b04837
sha256 2611e3698cd68d046a982ef6eceafea3523c1b6c7f010417c9306e471aa26f51
sha512 8ed328641319d2a24fc9ead3010b1e477ba20c3fbedf7904129de3ae717d04afe4ea1d1e261ae47eba464aa786cabc176fad58ad4fb50190509de8b803254d3a
ripemd-160 63dfdc95aa15ed8c326e5cc1a73c224a9d2a32f4

20787542 as geometric shapes

Circle

Radius = n
Diameter 41575084
Circumference 130611978.46678
Area 1.3575509940406E+15

Sphere

Radius = n
Volume 3.7626864407682E+22
Surface area 5.4302039761625E+15
Circumference 130611978.46678

Square

Length = n
Perimeter 83150168
Area 432121902401764
Diagonal 29398023.8248

Cube

Length = n
Surface area 2592731414410584
Volume 8.9827521952966E+21
Space diagonal 36005078.908472

Equilateral Triangle

Length = n
Perimeter 62362626
Area 1.8711427250579E+14
Altitude 18002539.454236

Triangular Pyramid

Length = n
Surface area 1.8711427250579E+14
Volume 1.0586274985021E+21
Height 9799341.2749334