20115865 (number)

20115865 is an odd 8-digits composite number following 20115864 and preceding 20115866. In scientific notation, it is written as 2.0115865 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 12539520 positive integers (up to 20115865) that are relatively prime to 20115865.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0115865 × 10^7
Engineering notation 2.0115865 × 10^6

Prime Factorization of 20115865

Prime Factorization 7 × 5 × 11 × 52249

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20115865
Product of the distinct prime numbers

The prime factorization of 20115865 is 7 × 5 × 11 × 52249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 11, 75, 247, 465, 2969, 608, 47941, 63246, 436448, 671687, 6152775, 2271734, 42514017, 63637253, 705258210, 21262986, 1240203475, 1818444589

Basic calculations (n = 20115865)

Multiplication

n×y
n×2 40231730
n×3 60347595
n×4 80463460
n×5 100579325

Division

n÷y
n÷2 10057932.5
n÷3 6705288.3333333
n÷3 5028966.25
n÷5 4023173

Exponentiation

ny
n2 404648024698225
n3 8.1398450373462E+21
n4 1.6374002389218E+29
n5 3.2937722157118E+36

Nth Root

y√n
2√n 4485.0713483734
3√n 271.96492933789
4√n 66.970675286825
5√n 28.887352600019

Divisors of 20115865

1, 5, 7, 11, 35, 55, 77, 385, 52249, 261245, 365743, 574739, 1828715, 2873695, 4023173, 20115865

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 -20115864
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 20115865 can be divided by 16 positive divisors. The sum of these divisors (counting 20115865) is 1, the average is 0.0625.

Base conversion 20115865

Base System Value
2 Binary 1001100101111000110011001
3 Ternary 1101211222210001
4 Quaternary 1030233012121
5 Quinary 20122201430
6 Senary 1555053001
8 Octal 114570631
10 Decimal 20115865
12 Duodecimal 68a1161
16 Hexadecimal 132f199
20 Vigesimal 65e9d5
36 Base36 bz5i1

Cryptographic Hash Functions

md5 9bc9be491d3d6c09eb2a09efc62c8165
sha1 f9b6496877aaca783b296037ac515d0a2f1a377b
sha256 4733dd348a273ae7c2da095bf934779845d3b3d316760f9c85ca3bc53d18f912
sha512 c0832a233f171cf95bfb931ee8d3234b6932f6dc79de8d2433107c0011c8b0f206fef7c132a7c0a1abf4363e4544ee06e7912aafb2fad2178b40d20915be1c79
ripemd-160 7d0ee1f7c9f92689277c52c35ec2949ff6c3fe66

20115865 as geometric shapes

Circle

Radius = n
Diameter 40231730
Circumference 126391707.40921
Area 1.2712392616816E+15

Sphere

Radius = n
Volume 3.4096103160915E+22
Surface area 5.0849570467263E+15
Circumference 126391707.40921

Square

Length = n
Perimeter 80463460
Area 404648024698225
Diagonal 28448129.101866

Cube

Length = n
Surface area 2427888148189350
Volume 8.1398450373462E+21
Space diagonal 34841700.218197

Equilateral Triangle

Length = n
Perimeter 60347595
Area 1.7521773448993E+14
Altitude 17420850.109098

Triangular Pyramid

Length = n
Surface area 1.7521773448993E+14
Volume 9.5928993728586E+20
Height 9482709.7006221