20782406 is an even 8-digits composite number following 20782405
and preceding 20782407 . In scientific notation, it is written as 2.0782406 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10391202 positive integers (up to 20782406) that are relatively prime to 20782406.
20782406 has 4 divisors, whose sum is 31173612
The reverse of 20782406 is 60428702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million seven hundred eighty-two thousand four hundred six
Scientific notation
2.0782406 × 10^7
Engineering notation
2.0782406 × 10^6
Prime Factorization
2 × 10391203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20782406
Product of the distinct prime numbers
The prime factorization of 20782406 is 2 × 10391203.
Since it has a total of 2 prime factors.
5 , 4 , 4 , 78 , 253 , 578 , 331 , 685 , 27029 , 7443 , 403500 , 386366 , 9549273 , 3693033 , 96649130 , 86505257 , 229879293 , 441469004 , 22095714 , 5278283638
n×2
41564812
n×3
62347218
n×4
83129624
n×5
103912030
n÷2
10391203
n÷3
6927468.6666667
n÷3
5195601.5
n÷5
4156481.2
n2
431908399148836
n3
8.9760957059212E+21
n4
1.8654486525531E+29
n5
3.8768511269512E+36
2 √n
4558.7724224839
3 √n
274.93620999757
4 √n
67.518682025673
5 √n
29.076301596613
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20782405
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20782406 can be divided by 4 positive divisors.
The sum of these divisors (counting 20782406) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010001110101000110
3
Ternary
1110002212002202
4
Quaternary
1033101311012
5
Quinary
20310014111
6
Senary
2021234502
8
Octal
117216506
10
Decimal
20782406
12
Duodecimal
6b62a32
16
Hexadecimal
13d1d46
20
Vigesimal
69hg06
36
Base36
cdft2
md5
89d17d4c076ff7c19345888e188698a4
sha1
1b6796f0040f663027c61fc7324085f4be1dc66d
sha256
1efb306ddf4deb7af04f6636068b35cf08681793dc89af0b21109f8ff2a9234a
sha512
a8cb368d908ad3475c043d2ebf5fa05d246af1ec3b12854d81b329d6c0c328e4393a958643756536e7602b70741c7f8cad1d98ea8fa6256741a82a87fd9ed435
ripemd-160
09f980803b81fbe3fbe20f3b5f71f42d19f235f8
Diameter
41564812
Circumference
130579708.02704
Area
1.3568802537897E+15
Volume
3.7598981770188E+22
Surface area
5.4275210151588E+15
Circumference
130579708.02704
Perimeter
83129624
Area
431908399148836
Diagonal
29390760.423944
Surface area
2591450394893016
Volume
8.9760957059212E+21
Space diagonal
35996183.095524
Perimeter
62347218
Area
1.8702182288538E+14
Altitude
17998091.547762
Surface area
1.8702182288538E+14
Volume
1.0578430237061E+21
Height
9796920.1413147