20408946 is an even 8-digits composite number following 20408945
and preceding 20408947 . In scientific notation, it is written as 2.0408946 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6726368 positive integers (up to 20408946) that are relatively prime to 20408946.
20408946 has 16 divisors, whose sum is 41277600
The reverse of 20408946 is 64980402
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred eight thousand nine hundred forty-six
Scientific notation
2.0408946 × 10^7
Engineering notation
2.0408946 × 10^6
Prime Factorization
2 × 3 × 89 × 38219
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20408946
Product of the distinct prime numbers
The prime factorization of 20408946 is 2 × 3 × 89 × 38219.
Since it has a total of 4 prime factors.
2 , 1 , 30 , 13 , 400 , 642 , 4774 , 8243 , 92923 , 9576 , 962721 , 809100 , 6261028 , 6377398 , 7752333 , 43635574 , 380393443 , 702214483 , 2189336181 , 6073237722
n×2
40817892
n×3
61226838
n×4
81635784
n×5
102044730
n÷2
10204473
n÷3
6802982
n÷3
5102236.5
n÷5
4081789.2
n2
416525076830916
n3
8.500837800688E+21
n4
1.73493139629E+29
n5
3.5408121180587E+36
2 √n
4517.6261465509
3 √n
273.27937694961
4 √n
67.21328846702
5 √n
28.971041972264
1 , 2 , 3 , 6 , 89 , 178 , 267 , 534 , 38219 , 76438 , 114657 , 229314 , 3401491 , 6802982 , 10204473 , 20408946
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20408945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20408946 can be divided by 16 positive divisors.
The sum of these divisors (counting 20408946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110110101001110010
3
Ternary
1102101212210220
4
Quaternary
1031312221302
5
Quinary
20211041241
6
Senary
2005233510
8
Octal
115665162
10
Decimal
20408946
12
Duodecimal
6a02896
16
Hexadecimal
1376a72
20
Vigesimal
67b276
36
Base36
c5fn6
md5
f537d8d19131a5a8ae4ce4cca40a0e59
sha1
90c5595e37a62adbf7118bf14ca5df404a635b9b
sha256
6d4b2593913eb4b7833a260ed786e2021a6f5146d08adb9c83d5fb76c0ee0b28
sha512
4285de0ae647725dc5a103194c1e9ec0a9c70db19d52ce87c77abb7a87a6de6c9c300a78a2d0451d640955a3f117f798717153ff33496ad6f69f57acbb5794e4
ripemd-160
fadffa8c1d2e1db7a95bb515d75f47877040f6c3
Diameter
40817892
Circumference
128233189.64222
Area
1.3085521214079E+15
Volume
3.5608226112E+22
Surface area
5.2342084856317E+15
Circumference
128233189.64222
Perimeter
81635784
Area
416525076830916
Diagonal
28862608.22694
Surface area
2499150460985496
Volume
8.500837800688E+21
Space diagonal
35349331.40093
Perimeter
61226838
Area
1.8036064892442E+14
Altitude
17674665.700465
Surface area
1.8036064892442E+14
Volume
1.0018333424389E+21
Height
9620869.40898