20808618 (number)

20808618 is an even 8-digits composite number following 20808617 and preceding 20808619. In scientific notation, it is written as 2.0808618 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6920240 positive integers (up to 20808618) that are relatively prime to 20808618.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand six hundred eighteen

Notation

Scientific notation 2.0808618 × 10^7
Engineering notation 2.0808618 × 10^6

Prime Factorization of 20808618

Prime Factorization 2 × 3 × 461 × 7523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20808618
Product of the distinct prime numbers

The prime factorization of 20808618 is 2 × 3 × 461 × 7523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20808618)

Multiplication

n×y
n×2 41617236
n×3 62425854
n×4 83234472
n×5 104043090

Division

n÷y
n÷2 10404309
n÷3 6936206
n÷3 5202154.5
n÷5 4161723.6

Exponentiation

ny
n2 432998583069924
n3 9.0101021096433E+21
n4 1.8748777294056E+29
n5 3.9013614467909E+36

Nth Root

y√n
2√n 4561.646413303
3√n 275.05175004058
4√n 67.539961602765
5√n 29.083632449468

Divisors of 20808618

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808618 can be divided by 16 positive divisors. The sum of these divisors (counting 20808618) is 1, the average is 0.0625.

Base conversion 20808618

Base System Value
2 Binary 1001111011000001110101010
3 Ternary 1110011012001120
4 Quaternary 1033120032222
5 Quinary 20311333433
6 Senary 2022000110
8 Octal 117301652
10 Decimal 20808618
12 Duodecimal 6b76036
16 Hexadecimal 13d83aa
20 Vigesimal 6a11ai
36 Base36 ce016

Cryptographic Hash Functions

md5 7fae7fdffdf8b641202d78f88e55155a
sha1 63225abc14dc2b666120b6980c3b1dafea789f94
sha256 46753b025236ac89b7e7a759346f85e2710310f00833e1ab7134b0eccd0e2769
sha512 2ba7375396f14a770a6b121844ffdceaef34ca4df054bbe0fccefacdcb429ea57296ed95d83f4007981be8e488cde04f626f4d68bac5370907b90981a26b88e3
ripemd-160 a127e080f8f406c2ef007713b6ca668d74e7553f

20808618 as geometric shapes

Circle

Radius = n
Diameter 41617236
Circumference 130744402.88031
Area 1.3603051675873E+15

Sphere

Radius = n
Volume 3.7741427460999E+22
Surface area 5.4412206703491E+15
Circumference 130744402.88031

Square

Length = n
Perimeter 83234472
Area 432998583069924
Diagonal 29427829.789841

Cube

Length = n
Surface area 2597991498419544
Volume 9.0101021096433E+21
Space diagonal 36041583.611292

Equilateral Triangle

Length = n
Perimeter 62425854
Area 1.8749388637061E+14
Altitude 18020791.805646

Triangular Pyramid

Length = n
Surface area 1.8749388637061E+14
Volume 1.0618507168187E+21
Height 9809276.5966136