20687618 (number)

20687618 is an even 8-digits composite number following 20687617 and preceding 20687619. In scientific notation, it is written as 2.0687618 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 8399376 positive integers (up to 20687618) that are relatively prime to 20687618.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand six hundred eighteen

Notation

Scientific notation 2.0687618 × 10^7
Engineering notation 2.0687618 × 10^6

Prime Factorization of 20687618

Prime Factorization 2 × 7 × 19 × 77773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20687618
Product of the distinct prime numbers

The prime factorization of 20687618 is 2 × 7 × 19 × 77773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 15, 13, 665, 861, 9186, 4797, 48415, 84241, 257164, 483038, 621856, 1991308, 83994558, 97356977, 193430356, 998363796, 9898376347, 852923138

Basic calculations (n = 20687618)

Multiplication

n×y
n×2 41375236
n×3 62062854
n×4 82750472
n×5 103438090

Division

n÷y
n÷2 10343809
n÷3 6895872.6666667
n÷3 5171904.5
n÷5 4137523.6

Exponentiation

ny
n2 427977538513924
n3 8.8538358293563E+21
n4 1.8316477347244E+29
n5 3.7892428646543E+36

Nth Root

y√n
2√n 4548.3643213797
3√n 274.51758065597
4√n 67.441562269714
5√n 29.049729827676

Divisors of 20687618

1, 2, 7, 14, 19, 38, 133, 266, 77773, 155546, 544411, 1088822, 1477687, 2955374, 10343809, 20687618

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 -20687617
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 20687618 can be divided by 16 positive divisors. The sum of these divisors (counting 20687618) is 1, the average is 0.0625.

Base conversion 20687618

Base System Value
2 Binary 1001110111010101100000010
3 Ternary 1102221001002002
4 Quaternary 1032322230002
5 Quinary 20244000433
6 Senary 2015224002
8 Octal 116725402
10 Decimal 20687618
12 Duodecimal 6b18002
16 Hexadecimal 13bab02
20 Vigesimal 695j0i
36 Base36 cbeo2

Cryptographic Hash Functions

md5 963acfdc78ee7f4d2e5baa7a9e09a1d0
sha1 eabeba99ccaabd39dd4ab6034be77be68f8411e3
sha256 e3e08d9c44c39b08ac70ceeb6bbd0448b34780182248d7911493ecd2edcb039d
sha512 09a234071852363e64cb8e256a0885e28db7e94ea51ad0fd768e572bfb1155bd241d04b764b6e4fe259d0ca58a5f3cab7cc03805a2a3687928e319e0945f0be2
ripemd-160 0350587de0e043fb63070c71ac12d948974e4697

20687618 as geometric shapes

Circle

Radius = n
Diameter 41375236
Circumference 129984137.45814
Area 1.3445310908968E+15

Sphere

Radius = n
Volume 3.7086860796795E+22
Surface area 5.3781243635871E+15
Circumference 129984137.45814

Square

Length = n
Perimeter 82750472
Area 427977538513924
Diagonal 29256709.948794

Cube

Length = n
Surface area 2567865231083544
Volume 8.8538358293563E+21
Space diagonal 35832005.463576

Equilateral Triangle

Length = n
Perimeter 62062854
Area 1.853197103011E+14
Altitude 17916002.731788

Triangular Pyramid

Length = n
Surface area 1.853197103011E+14
Volume 1.043434559075E+21
Height 9752236.6495979