20408506 is an even 8-digits composite number following 20408505
and preceding 20408507 . In scientific notation, it is written as 2.0408506 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 10034928 positive integers (up to 20408506) that are relatively prime to 20408506.
20408506 has 8 divisors, whose sum is 30672864
The reverse of 20408506 is 60580402
Previous prime number is 19511
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 six
Scientific notation
2.0408506 × 10^7
Engineering notation
2.0408506 × 10^6
Prime Factorization
2 × 19511 × 523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20408506
Product of the distinct prime numbers
The prime factorization of 20408506 is 2 × 19511 × 523.
Since it has a total of 3 prime factors.
8 , 2 , 92 , 73 , 444 , 543 , 4808 , 9401 , 22705 , 38175 , 22452 , 393878 , 2035546 , 3057769 , 13311088 , 73450875 , 335931370 , 725455738 , 7324614613 , 6352755272
n×2
40817012
n×3
61225518
n×4
81634024
n×5
102042530
n÷2
10204253
n÷3
6802835.3333333
n÷3
5102126.5
n÷5
4081701.2
n2
416507117152036
n3
8.50028799944E+21
n4
1.734781786383E+29
n5
3.5404304496088E+36
2 √n
4517.5774481463
3 √n
273.27741304303
4 √n
67.212926198361
5 √n
28.970917052845
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
-20408505
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 20408506 can be divided by 8 positive divisors.
The sum of these divisors (counting 20408506) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110100010111010
3
Ternary
1102101212012121
4
Quaternary
1031312202322
5
Quinary
20211033011
6
Senary
2005231454
8
Octal
115664272
10
Decimal
20408506
12
Duodecimal
6a0258a
16
Hexadecimal
13768ba
20
Vigesimal
67b156
36
Base36
c5fay
md5
d30482f7ffdffd44bea255b1ae7a52ed
sha1
643f6d9d2e317ea715d6198697c24b56b6673df1
sha256
9537754884d97fda752dd7fb15a4279a730663174554e9d8ef036483f2903cd7
sha512
1e281d516c8a00b6072ee2884da34498267b337af6534a7cef5b40bc2ed2768927052eb03e3354c3218ace0c347eeede7ec291541dc83c359b29868f3958057e
ripemd-160
8efb0232df45756779c62e2b12f44fa9553fdd6e
Diameter
40817012
Circumference
128230425.04069
Area
1.3084956994127E+15
Volume
3.5605923109918E+22
Surface area
5.2339827976508E+15
Circumference
128230425.04069
Perimeter
81634024
Area
416507117152036
Diagonal
28861985.972973
Surface area
2499042702912216
Volume
8.50028799944E+21
Space diagonal
35348569.298574
Perimeter
61225518
Area
1.8035287215534E+14
Altitude
17674284.649287
Surface area
1.8035287215534E+14
Volume
1.0017685477404E+21
Height
9620661.9909909