20408909 is an odd 8-digits prime number following 20408908
and preceding 20408910 . In scientific notation, it is written as 2.0408909 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 20408908 positive integers (up to 20408909) that are relatively prime to 20408909.
20408909 has 2 divisors, whose sum is 20408910
The reverse of 20408909 is 90980402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million four hundred eight thousand nine hundred nine
Scientific notation
2.0408909 × 10^7
Engineering notation
2.0408909 × 10^6
Prime Factorization
20408909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20408909
Product of the distinct prime numbers
The prime factorization of 20408909 is 20408909.
Since it has a total of 1 prime factors.
8 , 8 , 95 , 47 , 110 , 752 , 4654 , 9529 , 85808 , 91274 , 87709 , 773061 , 5084241 , 6442796 , 58071374 , 95591600 , 373656473 , 85663724 , 3994344618 , 4576919306
n×2
40817818
n×3
61226727
n×4
81635636
n×5
102044545
n÷2
10204454.5
n÷3
6802969.6666667
n÷3
5102227.25
n÷5
4081781.8
n2
416523566570281
n3
8.5007915664883E+21
n4
1.7349188150843E+29
n5
3.5407800219443E+36
2 √n
4517.622051478
3 √n
273.27921180401
4 √n
67.213258003745
5 √n
28.971031467759
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20408910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10204455
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4517.6221621557
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999020036
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20408909 can be divided by 2 positive divisors.
The sum of these divisors (counting 20408909) is 20408910, the average is 10204455.
Base
System
Value
2
Binary
1001101110110101001001101
3
Ternary
1102101212202112
4
Quaternary
1031312221031
5
Quinary
20211041114
6
Senary
2005233405
8
Octal
115665115
10
Decimal
20408909
12
Duodecimal
6a02865
16
Hexadecimal
1376a4d
20
Vigesimal
67b259
36
Base36
c5fm5
md5
504703f7ef0a26e6f4b1e99760458749
sha1
e58d2c03cd807b5647553778224b31e50eb3a15a
sha256
6a2103ae774226a6c182b56e69aebfff88d85e4716ddb7b9858bb05953275a6e
sha512
0ae75dee4bca47f0cd3e5d3d408c3c1842ee516d50cf2e61bf08fc96d972e1b4b10f61ff226de121bf1e538b876e51a87a4e042c091aef2303eecb67b5cc0214
ripemd-160
b63e27b62339997866489c5051ba48eceede33f2
Diameter
40817818
Circumference
128232957.16437
Area
1.3085473767842E+15
Volume
3.5608032446637E+22
Surface area
5.2341895071369E+15
Circumference
128232957.16437
Perimeter
81635636
Area
416523566570281
Diagonal
28862555.901038
Surface area
2499141399421686
Volume
8.5007915664883E+21
Space diagonal
35349267.31505
Perimeter
61226727
Area
1.8035999496238E+14
Altitude
17674633.657525
Surface area
1.8035999496238E+14
Volume
1.0018278936862E+21
Height
9620851.9670128