20421609 (number)

20421609 is an odd 8-digits composite number following 20421608 and preceding 20421610. In scientific notation, it is written as 2.0421609 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 12567120 positive integers (up to 20421609) that are relatively prime to 20421609.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand six hundred nine

Notation

Scientific notation 2.0421609 × 10^7
Engineering notation 2.0421609 × 10^6

Prime Factorization of 20421609

Prime Factorization 39 × 523631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20421609
Product of the distinct prime numbers

The prime factorization of 20421609 is 39 × 523631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421609)

Multiplication

n×y
n×2 40843218
n×3 61264827
n×4 81686436
n×5 102108045

Division

n÷y
n÷2 10210804.5
n÷3 6807203
n÷3 5105402.25
n÷5 4084321.8

Exponentiation

ny
n2 417042114148881
n3 8.5166709916818E+21
n4 1.7392412497377E+29
n5 3.5518104758814E+36

Nth Root

y√n
2√n 4519.0274396157
3√n 273.33588519661
4√n 67.223711885136
5√n 28.974636173445

Divisors of 20421609

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421608
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421609 can be divided by 4 positive divisors. The sum of these divisors (counting 20421609) is 1, the average is 0.25.

Base conversion 20421609

Base System Value
2 Binary 1001101111001101111101001
3 Ternary 1102102112011220
4 Quaternary 1031321233221
5 Quinary 20211442414
6 Senary 2005412253
8 Octal 115715751
10 Decimal 20421609
12 Duodecimal 6a0a089
16 Hexadecimal 1379be9
20 Vigesimal 67ce09
36 Base36 c5pex

Cryptographic Hash Functions

md5 c3403a9cb8ad63f0949405fc24158ed4
sha1 ccdd7ac3ccd552431eca9d5fc1a031883b7c819d
sha256 06ab1404cb2b2ba5b4a927081498910972d33655c35f995c8ca1ffacc616f62f
sha512 58956ca02de2ec138fbdc59899447dfd9398786a51674901da3723bf10630693b34a43a9de6b24c644618e032a2241868d2378fddb9a996cec7efbf2ad7dceac
ripemd-160 dee7cb7147c990fa1fbc65f1beb02e30c418e942

20421609 as geometric shapes

Circle

Radius = n
Diameter 40843218
Circumference 128312753.61777
Area 1.3101764420477E+15

Sphere

Radius = n
Volume 3.5674548027345E+22
Surface area 5.2407057681907E+15
Circumference 128312753.61777

Square

Length = n
Perimeter 81686436
Area 417042114148881
Diagonal 28880516.41328

Cube

Length = n
Surface area 2502252684893286
Volume 8.5166709916818E+21
Space diagonal 35371264.360306

Equilateral Triangle

Length = n
Perimeter 61264827
Area 1.8058453265045E+14
Altitude 17685632.180153

Triangular Pyramid

Length = n
Surface area 1.8058453265045E+14
Volume 1.0036993018922E+21
Height 9626838.8044268