20808418 (number)

20808418 is an even 8-digits composite number following 20808417 and preceding 20808419. In scientific notation, it is written as 2.0808418 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10404208 positive integers (up to 20808418) that are relatively prime to 20808418.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand four hundred eighteen

Notation

Scientific notation 2.0808418 × 10^7
Engineering notation 2.0808418 × 10^6

Prime Factorization of 20808418

Prime Factorization 2 × 10404209

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20808418
Product of the distinct prime numbers

The prime factorization of 20808418 is 2 × 10404209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 9, 86, 410, 694, 5479, 8761, 5525, 14991, 113257, 141354, 8922071, 6061842, 91468406, 28751564, 774093195, 862224969, 732016079, 3678187255

Basic calculations (n = 20808418)

Multiplication

n×y
n×2 41616836
n×3 62425254
n×4 83233672
n×5 104042090

Division

n÷y
n÷2 10404209
n÷3 6936139.3333333
n÷3 5202104.5
n÷5 4161683.6

Exponentiation

ny
n2 432990259662724
n3 9.0098423129905E+21
n4 1.8748056496279E+29
n5 3.901173962622E+36

Nth Root

y√n
2√n 4561.6244913408
3√n 275.05086882674
4√n 67.539799313744
5√n 29.083576542354

Divisors of 20808418

1, 2, 10404209, 20808418

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 -20808417
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 20808418 can be divided by 4 positive divisors. The sum of these divisors (counting 20808418) is 1, the average is 0.25.

Base conversion 20808418

Base System Value
2 Binary 1001111011000001011100010
3 Ternary 1110011011210011
4 Quaternary 1033120023202
5 Quinary 20311332133
6 Senary 2021555134
8 Octal 117301342
10 Decimal 20808418
12 Duodecimal 6b75aaa
16 Hexadecimal 13d82e2
20 Vigesimal 6a110i
36 Base36 cdzvm

Cryptographic Hash Functions

md5 57fdeae0ceb371107254092a0140c062
sha1 5e1f96162edaf51fc222d1c53a2513f650c2f8ca
sha256 3a68bab2e9c0a6a71ac71dd78eee482e0385090e077c24968560bc12eca43e5f
sha512 0c31c9abb7e00bc2eeca4743b8b7b543f4ff6192d5998799f242d6a3b0702f506bdbf23ed49c84683848d0cd18ed4113bb354a4fec7cd2f7bb95f8e38438eb80
ripemd-160 88fa09c2e7ef77a6bbfa815342b86d1a70fcba3e

20808418 as geometric shapes

Circle

Radius = n
Diameter 41616836
Circumference 130743146.24325
Area 1.3602790188324E+15

Sphere

Radius = n
Volume 3.7740339227325E+22
Surface area 5.4411160753294E+15
Circumference 130743146.24325

Square

Length = n
Perimeter 83233672
Area 432990259662724
Diagonal 29427546.947128

Cube

Length = n
Surface area 2597941557976344
Volume 9.0098423129905E+21
Space diagonal 36041237.201131

Equilateral Triangle

Length = n
Perimeter 62425254
Area 1.8749028222957E+14
Altitude 18020618.600565

Triangular Pyramid

Length = n
Surface area 1.8749028222957E+14
Volume 1.0618200994895E+21
Height 9809182.3157095