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.
20421609 has 4 divisors, whose sum is 20945280
The reverse of 20421609 is 90612402
Previous prime number is 39
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million four hundred twenty-one thousand six hundred nine
Scientific notation
2.0421609 × 10^7
Engineering notation
2.0421609 × 10^6
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.
1 , 4 , 37 , 60 , 932 , 137 , 8359 , 3473 , 26387 , 97567 , 149393 , 815244 , 2989655 , 6842454 , 75904917 , 67331247 , 879612821 , 316634713 , 1878846487 , 2821455431
n×2
40843218
n×3
61264827
n×4
81686436
n×5
102108045
n÷2
10210804.5
n÷3
6807203
n÷3
5105402.25
n÷5
4084321.8
n2
417042114148881
n3
8.5166709916818E+21
n4
1.7392412497377E+29
n5
3.5518104758814E+36
2 √n
4519.0274396157
3 √n
273.33588519661
4 √n
67.223711885136
5 √n
28.974636173445
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
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
md5
c3403a9cb8ad63f0949405fc24158ed4
sha1
ccdd7ac3ccd552431eca9d5fc1a031883b7c819d
sha256
06ab1404cb2b2ba5b4a927081498910972d33655c35f995c8ca1ffacc616f62f
sha512
58956ca02de2ec138fbdc59899447dfd9398786a51674901da3723bf10630693b34a43a9de6b24c644618e032a2241868d2378fddb9a996cec7efbf2ad7dceac
ripemd-160
dee7cb7147c990fa1fbc65f1beb02e30c418e942
Diameter
40843218
Circumference
128312753.61777
Area
1.3101764420477E+15
Volume
3.5674548027345E+22
Surface area
5.2407057681907E+15
Circumference
128312753.61777
Perimeter
81686436
Area
417042114148881
Diagonal
28880516.41328
Surface area
2502252684893286
Volume
8.5166709916818E+21
Space diagonal
35371264.360306
Perimeter
61264827
Area
1.8058453265045E+14
Altitude
17685632.180153
Surface area
1.8058453265045E+14
Volume
1.0036993018922E+21
Height
9626838.8044268