20115864 (number)

20115864 is an even 8-digits composite number following 20115863 and preceding 20115865. In scientific notation, it is written as 2.0115864 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 6516288 positive integers (up to 20115864) that are relatively prime to 20115864.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand eight hundred sixty-four

Notation

Scientific notation 2.0115864 × 10^7
Engineering notation 2.0115864 × 10^6

Prime Factorization of 20115864

Prime Factorization 2 × 2 × 2 × 9 × 3 × 3 × 37 × 839

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1676322
Product of the distinct prime numbers

The prime factorization of 20115864 is 2 × 2 × 2 × 9 × 3 × 3 × 37 × 839. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115864)

Multiplication

n×y
n×2 40231728
n×3 60347592
n×4 80463456
n×5 100579320

Division

n÷y
n÷2 10057932
n÷3 6705288
n÷3 5028966
n÷5 4023172.8

Exponentiation

ny
n2 404647984466496
n3 8.1398438234021E+21
n4 1.637399913328E+29
n5 3.2937713970117E+36

Nth Root

y√n
2√n 4485.0712368925
3√n 271.96492483125
4√n 66.970674454514
5√n 28.88735231281

Divisors of 20115864

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20115863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20115864 can be divided by 80 positive divisors. The sum of these divisors (counting 20115864) is 1, the average is 0.0125.

Base conversion 20115864

Base System Value
2 Binary 1001100101111000110011000
3 Ternary 1101211222210000
4 Quaternary 1030233012120
5 Quinary 20122201424
6 Senary 1555053000
8 Octal 114570630
10 Decimal 20115864
12 Duodecimal 68a1160
16 Hexadecimal 132f198
20 Vigesimal 65e9d4
36 Base36 bz5i0

Cryptographic Hash Functions

md5 7b8c6c2e6769c3bef117499f83b5126e
sha1 12be43b536e8863b07b84e31e555f192315e3090
sha256 d5b88af9d5ffff8290a79d5f75be76edfaf56aca9f3ea2daec7b1461f3125418
sha512 890cedb51eeee2bd1205ce91468c2ee2ed321236f2616a0f8f587b27b8d43de569be3c5ae2746575d892e6cc2fcf3539b528b114b5cf90d0cd2a6d4778085f08
ripemd-160 d23a0fccef225df1a97d45707cf4b456bfc0dea2

20115864 as geometric shapes

Circle

Radius = n
Diameter 40231728
Circumference 126391701.12602
Area 1.2712391352899E+15

Sphere

Radius = n
Volume 3.4096098075958E+22
Surface area 5.0849565411594E+15
Circumference 126391701.12602

Square

Length = n
Perimeter 80463456
Area 404647984466496
Diagonal 28448127.687653

Cube

Length = n
Surface area 2427887906798976
Volume 8.1398438234021E+21
Space diagonal 34841698.486146

Equilateral Triangle

Length = n
Perimeter 60347592
Area 1.7521771706908E+14
Altitude 17420849.243073

Triangular Pyramid

Length = n
Surface area 1.7521771706908E+14
Volume 9.5928979422118E+20
Height 9482709.2292176