20531818 (number)

20531818 is an even 8-digits composite number following 20531817 and preceding 20531819. In scientific notation, it is written as 2.0531818 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 8895744 positive integers (up to 20531818) that are relatively prime to 20531818.

Interesting facts

Basic properties

Name

Name twenty million five hundred thirty-one thousand eight hundred eighteen

Notation

Scientific notation 2.0531818 × 10^7
Engineering notation 2.0531818 × 10^6

Prime Factorization of 20531818

Prime Factorization 2 × 17 × 37 × 19 × 859

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20531818
Product of the distinct prime numbers

The prime factorization of 20531818 is 2 × 17 × 37 × 19 × 859. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 75, 58, 206, 945, 4767, 7575, 48451, 11660, 94943, 722829, 5185111, 3576847, 51501044, 32770603, 849486921, 573242039, 7716317104, 4266631512

Basic calculations (n = 20531818)

Multiplication

n×y
n×2 41063636
n×3 61595454
n×4 82127272
n×5 102659090

Division

n÷y
n÷2 10265909
n÷3 6843939.3333333
n÷3 5132954.5
n÷5 4106363.6

Exponentiation

ny
n2 421555550385124
n3 8.6553018373972E+21
n4 1.777090820605E+29
n5 3.6486905298133E+36

Nth Root

y√n
2√n 4531.2049170171
3√n 273.82670591513
4√n 67.314225220358
5√n 29.005842281585

Divisors of 20531818

1, 2, 17, 19, 34, 37, 38, 74, 323, 629, 646, 703, 859, 1258, 1406, 1718, 11951, 14603, 16321, 23902, 29206, 31783, 32642, 63566, 277457, 540311, 554914, 603877, 1080622, 1207754, 10265909, 20531818

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20531817
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20531818 can be divided by 32 positive divisors. The sum of these divisors (counting 20531818) is 1, the average is 0.03125.

Base conversion 20531818

Base System Value
2 Binary 1001110010100101001101010
3 Ternary 1102122010100201
4 Quaternary 1032110221222
5 Quinary 20224004233
6 Senary 2012022414
8 Octal 116245152
10 Decimal 20531818
12 Duodecimal 6a61a0a
16 Hexadecimal 1394a6a
20 Vigesimal 6869ai
36 Base36 c82ga

Cryptographic Hash Functions

md5 dd0017fa2187d7290461768fe99e2278
sha1 7ba56cfd7c7e36ca5c77bb0ab150adb2516f6f91
sha256 0c857ad51b0ec1f7308fcd64d7b028637125841ee2e7b022d881f1417f629372
sha512 877a41d0ec53223fec33e752fd354ea4d92b95c674921f72144fbfa51e6fc9a3e0e05587812a1e1c60a8a1279da0445927298c57dc9be0618e9369d92bb435ae
ripemd-160 d81e8575a4373bb852637d81cc65e415537c61d7

20531818 as geometric shapes

Circle

Radius = n
Diameter 41063636
Circumference 129005217.18729
Area 1.3243558201699E+15

Sphere

Radius = n
Volume 3.6255243555959E+22
Surface area 5.2974232806796E+15
Circumference 129005217.18729

Square

Length = n
Perimeter 82127272
Area 421555550385124
Diagonal 29036375.475776

Cube

Length = n
Surface area 2529333302310744
Volume 8.6553018373972E+21
Space diagonal 35562151.947757

Equilateral Triangle

Length = n
Perimeter 61595454
Area 1.8253890786992E+14
Altitude 17781075.973879

Triangular Pyramid

Length = n
Surface area 1.8253890786992E+14
Volume 1.02003710374E+21
Height 9678791.8252587