20402445 (number)

20402445 is an odd 8-digits composite number following 20402444 and preceding 20402446. In scientific notation, it is written as 2.0402445 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 9326784 positive integers (up to 20402445) that are relatively prime to 20402445.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand four hundred forty-five

Notation

Scientific notation 2.0402445 × 10^7
Engineering notation 2.0402445 × 10^6

Prime Factorization of 20402445

Prime Factorization 21 × 5 × 194309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402445
Product of the distinct prime numbers

The prime factorization of 20402445 is 21 × 5 × 194309. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402445)

Multiplication

n×y
n×2 40804890
n×3 61207335
n×4 81609780
n×5 102012225

Division

n÷y
n÷2 10201222.5
n÷3 6800815
n÷3 5100611.25
n÷5 4080489

Exponentiation

ny
n2 416259761978025
n3 8.4927168994697E+21
n4 1.73272189442E+29
n5 3.53517631512E+36

Nth Root

y√n
2√n 4516.9065741943
3√n 273.25035735694
4√n 67.207935351373
5√n 28.969196068553

Divisors of 20402445

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20402444
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20402445 can be divided by 8 positive divisors. The sum of these divisors (counting 20402445) is 1, the average is 0.125.

Base conversion 20402445

Base System Value
2 Binary 1001101110101000100001101
3 Ternary 1102101112220010
4 Quaternary 1031311010031
5 Quinary 20210334240
6 Senary 2005143433
8 Octal 115650415
10 Decimal 20402445
12 Duodecimal 69bab79
16 Hexadecimal 137510d
20 Vigesimal 67a625
36 Base36 c5aml

Cryptographic Hash Functions

md5 a77d0e047154e9468fc1d869ae72004c
sha1 69b2b71c38d00cf34352b7556732f18b1b8ef058
sha256 ce23abb7d343c353da915a3016a34d4f7f2df696f0e0bf4585a85c71fbceaa39
sha512 d3144e51bfc9ad8e8f70a8b50c07e6c065909993c5c5a50e5f03fc8311ae9d92f8361992129c8b1ccae05b4b470b58891b245cab1e1608b6d222c778b66024f7
ripemd-160 eb8d2cb00800fb1b6471b7cabf0866d20680e032

20402445 as geometric shapes

Circle

Radius = n
Diameter 40804890
Circumference 128192342.65454
Area 1.3077186102152E+15

Sphere

Radius = n
Volume 3.5574209360523E+22
Surface area 5.2308744408608E+15
Circumference 128192342.65454

Square

Length = n
Perimeter 81609780
Area 416259761978025
Diagonal 28853414.424571

Cube

Length = n
Surface area 2497558571868150
Volume 8.4927168994697E+21
Space diagonal 35338071.33863

Equilateral Triangle

Length = n
Perimeter 61207335
Area 1.8024576422312E+14
Altitude 17669035.669315

Triangular Pyramid

Length = n
Surface area 1.8024576422312E+14
Volume 1.0008762850521E+21
Height 9617804.8081904