20404789 is an odd 8-digits composite number following 20404788
and preceding 20404790 . In scientific notation, it is written as 2.0404789 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 19746540 positive integers (up to 20404789) that are relatively prime to 20404789.
20404789 has 4 divisors, whose sum is 21063040
The reverse of 20404789 is 98740402
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million four hundred four thousand seven hundred eighty-nine
Scientific notation
2.0404789 × 10^7
Engineering notation
2.0404789 × 10^6
Prime Factorization
31 × 658219
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20404789
Product of the distinct prime numbers
The prime factorization of 20404789 is 31 × 658219.
Since it has a total of 2 prime factors.
7 , 10 , 45 , 16 , 974 , 935 , 8635 , 4078 , 47904 , 57898 , 371594 , 546852 , 5913113 , 9254010 , 42550544 , 93851841 , 330431670 , 342145119 , 1167817458 , 9308809696
n×2
40809578
n×3
61214367
n×4
81619156
n×5
102023945
n÷2
10202394.5
n÷3
6801596.3333333
n÷3
5101197.25
n÷5
4080957.8
n2
416355414134521
n3
8.4956443744225E+21
n4
1.7335183087913E+29
n5
3.5372075318523E+36
2 √n
4517.1660363551
3 √n
273.26082136931
4 √n
67.209865617743
5 √n
28.969861681672
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
-20404788
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 20404789 can be divided by 4 positive divisors.
The sum of these divisors (counting 20404789) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101101000110101
3
Ternary
1102101200002221
4
Quaternary
1031311220311
5
Quinary
20210423124
6
Senary
2005202341
8
Octal
115655065
10
Decimal
20404789
12
Duodecimal
6a003b1
16
Hexadecimal
1375a35
20
Vigesimal
67abj9
36
Base36
c5cfp
md5
c276afec627c65e9f9f72f60b8b3192c
sha1
9699bd1ddfe8084806dba276a2a44ea2d7c5f3fb
sha256
7968289db972eacf9b636168ae4e37f3802802ff7488fa30d288a9cd9fd50d78
sha512
2e9b5ad103e5e6d1e187efd7af2b8ccc18c10a614acbe929187c7b79a6adef6388393729013e2cc9a5e33d8c438f495e4af3642b2430ff7f739e2fc9833c20e1
ripemd-160
42f47b4fa2cb30ac2b032e6b91e78c32c88b5cb1
Diameter
40809578
Circumference
128207070.4409
Area
1.3080191103273E+15
Volume
3.558647193893E+22
Surface area
5.2320764413094E+15
Circumference
128207070.4409
Perimeter
81619156
Area
416355414134521
Diagonal
28856729.341161
Surface area
2498132484807126
Volume
8.4956443744225E+21
Space diagonal
35342131.265723
Perimeter
61214367
Area
1.8028718282184E+14
Altitude
17671065.632861
Surface area
1.8028718282184E+14
Volume
1.0012212912839E+21
Height
9618909.7803871