20784939 (number)

20784939 is an odd 8-digits composite number following 20784938 and preceding 20784940. In scientific notation, it is written as 2.0784939 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11354640 positive integers (up to 20784939) that are relatively prime to 20784939.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-four thousand nine hundred thirty-nine

Notation

Scientific notation 2.0784939 × 10^7
Engineering notation 2.0784939 × 10^6

Prime Factorization of 20784939

Prime Factorization 69 × 161 × 1871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20784939
Product of the distinct prime numbers

The prime factorization of 20784939 is 69 × 161 × 1871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20784939)

Multiplication

n×y
n×2 41569878
n×3 62354817
n×4 83139756
n×5 103924695

Division

n÷y
n÷2 10392469.5
n÷3 6928313
n÷3 5196234.75
n÷5 4156987.8

Exponentiation

ny
n2 432013689233721
n3 8.9793781778878E+21
n4 1.8663582768533E+29
n5 3.8792142936541E+36

Nth Root

y√n
2√n 4559.050230037
3√n 274.94737946352
4√n 67.520739258667
5√n 29.077010337281

Divisors of 20784939

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 -20784938
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 20784939 can be divided by 8 positive divisors. The sum of these divisors (counting 20784939) is 1, the average is 0.125.

Base conversion 20784939

Base System Value
2 Binary 1001111010010011100101011
3 Ternary 1110002222120120
4 Quaternary 1033102130223
5 Quinary 20310104224
6 Senary 2021254323
8 Octal 117223453
10 Decimal 20784939
12 Duodecimal 6b643a3
16 Hexadecimal 13d272b
20 Vigesimal 69i26j
36 Base36 cdhrf

Cryptographic Hash Functions

md5 3a033408e3e940382a2ebf2d030d27a2
sha1 a7891a7e3045c5de049f9e6a11524b8b5e24fbe2
sha256 46f438caa3c1f420790dbd761851170bac97f275c31c0d60ec6fce8c74e46710
sha512 e1c368a492622b48361d9e59c1f8835ca1132d2f2d4148c680b85eef39489fd37a1999c5326285a20c99d369b9ffc33a306646447f116fbbfc530b679d87dfcd
ripemd-160 f9f2432de1ca3261316f94ac45efffdc112a1b6d

20784939 as geometric shapes

Circle

Radius = n
Diameter 41569878
Circumference 130595623.33542
Area 1.3572110323469E+15

Sphere

Radius = n
Volume 3.7612731356609E+22
Surface area 5.4288441293875E+15
Circumference 130595623.33542

Square

Length = n
Perimeter 83139756
Area 432013689233721
Diagonal 29394342.626897

Cube

Length = n
Surface area 2592082135402326
Volume 8.9793781778878E+21
Space diagonal 36000570.38022

Equilateral Triangle

Length = n
Perimeter 62354817
Area 1.8706741482952E+14
Altitude 18000285.19011

Triangular Pyramid

Length = n
Surface area 1.8706741482952E+14
Volume 1.0582298667372E+21
Height 9798114.2089658