20121660 (number)

20121660 is an even 8-digits composite number following 20121659 and preceding 20121661. In scientific notation, it is written as 2.0121660 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 72 positive divisors. There are 4952448 positive integers (up to 20121660) that are relatively prime to 20121660.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred sixty

Notation

Scientific notation 2.0121660 × 10^7
Engineering notation 2.0121660 × 10^6

Prime Factorization of 20121660

Prime Factorization 2 × 2 × 5 × 3 × 3 × 13 × 8599

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3353610
Product of the distinct prime numbers

The prime factorization of 20121660 is 2 × 2 × 5 × 3 × 3 × 13 × 8599. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 10, 17, 4, 786, 891, 5677, 3464, 95065, 28315, 492964, 672904, 3449682, 3344431, 7153688, 77562694, 224357532, 112434442, 7817707764, 3232686719

Basic calculations (n = 20121660)

Multiplication

n×y
n×2 40243320
n×3 60364980
n×4 80486640
n×5 100608300

Division

n÷y
n÷2 10060830
n÷3 6707220
n÷3 5030415
n÷5 4024332

Exponentiation

ny
n2 404881201155600
n3 8.1468818700446E+21
n4 1.639287870492E+29
n5 3.2985193172164E+36

Nth Root

y√n
2√n 4485.7173339389
3√n 271.99104281346
4√n 66.975498011877
5√n 28.889016788176

Divisors of 20121660

1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8599, 17198, 25797, 34396, 42995, 51594, 77391, 85990, 103188, 111787, 128985, 154782, 171980, 223574, 257970, 309564, 335361, 386955, 447148, 515940, 558935, 670722, 773910, 1006083, 1117870, 1341444, 1547820, 1676805, 2012166, 2235740, 3353610, 4024332, 5030415, 6707220, 10060830, 20121660

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121660 can be divided by 72 positive divisors. The sum of these divisors (counting 20121660) is 1, the average is 0.013888888888889.

Base conversion 20121660

Base System Value
2 Binary 1001100110000100000111100
3 Ternary 1101212021201200
4 Quaternary 1030300200330
5 Quinary 20122343120
6 Senary 1555135500
8 Octal 114604074
10 Decimal 20121660
12 Duodecimal 68a4590
16 Hexadecimal 133083c
20 Vigesimal 65f430
36 Base36 bz9z0

Cryptographic Hash Functions

md5 0cccaf4c53ae5d9f811a252e9fb785c2
sha1 efbfc7c96b1e4af9276b42a978947e8d749ce46a
sha256 c62f399b87859085eaea6fe001e84c84c1b5b6642cba22f5060ec51a62f24366
sha512 8fd1d1b9ef5f4fa5203b34a3f66d45da7d3edec129330e9f9ab041200db4a060d4246e9a1c0096552f97aa827cdb58bc158a26f239a0f9a6fe797c7bcb522157
ripemd-160 92060f264e44b00d9667c997278354f3872b8b4b

20121660 as geometric shapes

Circle

Radius = n
Diameter 40243320
Circumference 126428118.46806
Area 1.271971807127E+15

Sphere

Radius = n
Volume 3.4125578976795E+22
Surface area 5.0878872285082E+15
Circumference 126428118.46806

Square

Length = n
Perimeter 80486640
Area 404881201155600
Diagonal 28456324.46946

Cube

Length = n
Surface area 2429287206933600
Volume 8.1468818700446E+21
Space diagonal 34851737.452626

Equilateral Triangle

Length = n
Perimeter 60364980
Area 1.7531870285775E+14
Altitude 17425868.726313

Triangular Pyramid

Length = n
Surface area 1.7531870285775E+14
Volume 9.6011923597238E+20
Height 9485441.4898201