20408542 is an even 8-digits composite number following 20408541
and preceding 20408543 . In scientific notation, it is written as 2.0408542 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 7951320 positive integers (up to 20408542) that are relatively prime to 20408542.
20408542 has 8 divisors, whose sum is 31010616
The reverse of 20408542 is 24580402
Previous prime number is 77
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred eight thousand five hundred forty-two
Scientific notation
2.0408542 × 10^7
Engineering notation
2.0408542 × 10^6
Prime Factorization
2 × 77 × 132523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20408542
Product of the distinct prime numbers
The prime factorization of 20408542 is 2 × 77 × 132523.
Since it has a total of 3 prime factors.
5 , 7 , 3 , 83 , 401 , 80 , 6023 , 6645 , 30633 , 28940 , 627565 , 996527 , 2019435 , 348170 , 32826181 , 51963188 , 887818898 , 852454810 , 5004999136 , 8316458496
n×2
40817084
n×3
61225626
n×4
81634168
n×5
102042710
n÷2
10204271
n÷3
6802847.3333333
n÷3
5102135.5
n÷5
4081708.4
n2
416508586565764
n3
8.500332982288E+21
n4
1.7347940268301E+29
n5
3.5404616757911E+36
2 √n
4517.5814325809
3 √n
273.27757372735
4 √n
67.212955838744
5 √n
28.970927273606
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20408541
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20408542 can be divided by 8 positive divisors.
The sum of these divisors (counting 20408542) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110100011011110
3
Ternary
1102101212020221
4
Quaternary
1031312203132
5
Quinary
20211033132
6
Senary
2005231554
8
Octal
115664336
10
Decimal
20408542
12
Duodecimal
6a025ba
16
Hexadecimal
13768de
20
Vigesimal
67b172
36
Base36
c5fby
md5
87c36a12a99c710e5c0789140a3cfc36
sha1
a07ba434b0f70b567df43da46f72538782defcc2
sha256
0e2eda5d4d723a03539539c5e4cf5f7e0f9c8689ad9e9e95b4a0876100e2bd95
sha512
890005740e9ea478a8aeacec902fedfc928620a67de50d4cb385cbd21f7a2294e42b0ab1cea8dfbc259e44d486187b9e0a02f6371acb6af4e6dbc2a095456b85
ripemd-160
55e36ebfe94e0c1385c4ac21191165820e42e032
Diameter
40817084
Circumference
128230651.23536
Area
1.3085003157121E+15
Volume
3.5606111533631E+22
Surface area
5.2340012628483E+15
Circumference
128230651.23536
Perimeter
81634168
Area
416508586565764
Diagonal
28862036.884661
Surface area
2499051519394584
Volume
8.500332982288E+21
Space diagonal
35348631.652403
Perimeter
61225626
Area
1.8035350843015E+14
Altitude
17674315.826202
Surface area
1.8035350843015E+14
Volume
1.0017738490199E+21
Height
9620678.9615536