20808835 is an odd 8-digits composite number following 20808834
and preceding 20808836 . In scientific notation, it is written as 2.0808835 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 16647064 positive integers (up to 20808835) that are relatively prime to 20808835.
20808835 has 4 divisors, whose sum is 24970608
The reverse of 20808835 is 53880802
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred eight thousand eight hundred thirty-five
Scientific notation
2.0808835 × 10^7
Engineering notation
2.0808835 × 10^6
Prime Factorization
5 × 4161767
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20808835
Product of the distinct prime numbers
The prime factorization of 20808835 is 5 × 4161767.
Since it has a total of 2 prime factors.
2 , 8 , 53 , 17 , 425 , 604 , 3546 , 1890 , 15270 , 42593 , 634547 , 676080 , 3770308 , 2636565 , 15934447 , 39383257 , 512516213 , 352070514 , 1821729671 , 9985671637
n×2
41617670
n×3
62426505
n×4
83235340
n×5
104044175
n÷2
10404417.5
n÷3
6936278.3333333
n÷3
5202208.75
n÷5
4161767
n2
433007614057225
n3
9.0103839946605E+21
n4
1.8749559383153E+29
n5
3.9015648752673E+36
2 √n
4561.6701985128
3 √n
275.0527061512
4 √n
67.54013768503
5 √n
29.0836931082
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
-20808834
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 20808835 can be divided by 4 positive divisors.
The sum of these divisors (counting 20808835) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000010010000011
3
Ternary
1110011012100121
4
Quaternary
1033120102003
5
Quinary
20311340320
6
Senary
2022001111
8
Octal
117302203
10
Decimal
20808835
12
Duodecimal
6b76197
16
Hexadecimal
13d8483
20
Vigesimal
6a121f
36
Base36
ce077
md5
9a5b33969282be0588f17edea8b7d48b
sha1
520d42e77b0762b01f96e78e68fe8ff1d938545e
sha256
ff4082807d44af9bf3060d7ead35342676166b7cf2ba31e41212d5f1894ce0e2
sha512
b75410ff57f8c2e3ccc0edc934a7d118b4d4949c26884050e466c7559a61c0089fc5ece7435b5ca04180a6786e97b2ebe2fc41912461b49fd71d69f59fc4125c
ripemd-160
02e12078193a2285641c3ca1d65deacefe40650e
Diameter
41617670
Circumference
130745766.33152
Area
1.3603335392706E+15
Volume
3.7742608218198E+22
Surface area
5.4413341570825E+15
Circumference
130745766.33152
Perimeter
83235340
Area
433007614057225
Diagonal
29428136.674184
Surface area
2598045684343350
Volume
9.0103839946605E+21
Space diagonal
36041959.466318
Perimeter
62426505
Area
1.8749779690282E+14
Altitude
18020979.733159
Surface area
1.8749779690282E+14
Volume
1.0618839372865E+21
Height
9809378.8913946