20398909 is an odd 8-digits prime number following 20398908
and preceding 20398910 . In scientific notation, it is written as 2.0398909 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 20398908 positive integers (up to 20398909) that are relatively prime to 20398909.
20398909 has 2 divisors, whose sum is 20398910
The reverse of 20398909 is 90989302
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million three hundred ninety-eight thousand nine hundred nine
Scientific notation
2.0398909 × 10^7
Engineering notation
2.0398909 × 10^6
Prime Factorization
20398909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20398909
Product of the distinct prime numbers
The prime factorization of 20398909 is 20398909.
Since it has a total of 1 prime factors.
5 , 1 , 19 , 18 , 355 , 696 , 9383 , 4920 , 53092 , 56282 , 467428 , 991870 , 3933165 , 4925185 , 78525042 , 53053452 , 261017397 , 68446241 , 2570871388 , 7122787540
n×2
40797818
n×3
61196727
n×4
81595636
n×5
101994545
n÷2
10199454.5
n÷3
6799636.3333333
n÷3
5099727.25
n÷5
4079781.8
n2
416115488390281
n3
8.4883019811639E+21
n4
1.7315209967828E+29
n5
3.5321139244962E+36
2 √n
4516.5151389096
3 √n
273.23457053845
4 √n
67.205023167243
5 √n
28.968191853819
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20398910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10199455
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4516.5152496145
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019555
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20398909 can be divided by 2 positive divisors.
The sum of these divisors (counting 20398909) is 20398910, the average is 10199455.
Base
System
Value
2
Binary
1001101110100001100111101
3
Ternary
1102101101001011
4
Quaternary
1031310030331
5
Quinary
20210231114
6
Senary
2005115221
8
Octal
115641475
10
Decimal
20398909
12
Duodecimal
69b8b11
16
Hexadecimal
137433d
20
Vigesimal
679h59
36
Base36
c57wd
md5
de2508b6c66fe1c83c944099be4b663a
sha1
62557b1f729e2592c25785f49b8df20e6fe9bb4b
sha256
4e0066546d0ee1bb1510d6e247bdff3bf794efeb23d7aa47ce84279da2100681
sha512
e47ee005847d8412052ce1d6c2c257246f42ea0badff040f1a3d2c7e1a14c077fb48ee18e971d1a83725d692dca8df74fb750d5102b1fce8ea5f563ebd8c6a7b
ripemd-160
a1919118610cc07d3241232c00984e52f260be54
Diameter
40797818
Circumference
128170125.31129
Area
1.3072653613718E+15
Volume
3.5555716193968E+22
Surface area
5.2290614454873E+15
Circumference
128170125.31129
Perimeter
81595636
Area
416115488390281
Diagonal
28848413.765415
Surface area
2496692930341686
Volume
8.4883019811639E+21
Space diagonal
35331946.806974
Perimeter
61196727
Area
1.8018329192708E+14
Altitude
17665973.403487
Surface area
1.8018329192708E+14
Volume
1.00035598194E+21
Height
9616137.9218049