20405941 is an odd 8-digits prime number following 20405940
and preceding 20405942 . In scientific notation, it is written as 2.0405941 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20405940 positive integers (up to 20405941) that are relatively prime to 20405941.
20405941 has 2 divisors, whose sum is 20405942
The reverse of 20405941 is 14950402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred five thousand nine hundred forty-one
Scientific notation
2.0405941 × 10^7
Engineering notation
2.0405941 × 10^6
Prime Factorization
20405941
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20405941
Product of the distinct prime numbers
The prime factorization of 20405941 is 20405941.
Since it has a total of 1 prime factors.
9 , 8 , 94 , 5 , 407 , 386 , 9363 , 4210 , 5178 , 23817 , 846040 , 647862 , 7621936 , 7136576 , 29464985 , 50516127 , 95132175 , 923099001 , 3040487353 , 5010761580
n×2
40811882
n×3
61217823
n×4
81623764
n×5
102029705
n÷2
10202970.5
n÷3
6801980.3333333
n÷3
5101485.25
n÷5
4081188.2
n2
416402428095481
n3
8.4970833799731E+21
n4
1.7339098212381E+29
n5
3.5382061511506E+36
2 √n
4517.2935481326
3 √n
273.26596379841
4 √n
67.210814220128
5 √n
28.97018878652
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20405942
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10202971
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4517.2936588183
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019893
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405941 can be divided by 2 positive divisors.
The sum of these divisors (counting 20405941) is 20405942, the average is 10202971.
Base
System
Value
2
Binary
1001101110101111010110101
3
Ternary
1102101201200121
4
Quaternary
1031311322311
5
Quinary
20210442231
6
Senary
2005211541
8
Octal
115657265
10
Decimal
20405941
12
Duodecimal
6a00bb1
16
Hexadecimal
1375eb5
20
Vigesimal
67aeh1
36
Base36
c5dbp
md5
98280d542ac544fdd3bfdf852e4aab37
sha1
eedfce8be5c3295d3aca11b149b6c86582acfffd
sha256
dc019b592f3c8389d19a8a6fd017d3c7befaccbd91df2475fe45eaec4e7130a9
sha512
fa262de7489c6ff0595cbd9676b3359dee8048eb3f808de74f250a1296d808de48e07c65d316b1392915eb6517d580db0c8ebc346a883f12ad80f7b7663f0dbb
ripemd-160
c8c1a6f5fe6e267db96fd02d1b9893099ea6883a
Diameter
40811882
Circumference
128214308.67037
Area
1.3081668090417E+15
Volume
3.5592499631285E+22
Surface area
5.2326672361669E+15
Circumference
128214308.67037
Perimeter
81623764
Area
416402428095481
Diagonal
28858358.515185
Surface area
2498414568572886
Volume
8.4970833799731E+21
Space diagonal
35344126.588253
Perimeter
61217823
Area
1.803075404641E+14
Altitude
17672063.294126
Surface area
1.803075404641E+14
Volume
1.0013908797144E+21
Height
9619452.8383951