20808516 is an even 8-digits composite number following 20808515
and preceding 20808517 . In scientific notation, it is written as 2.0808516 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 6936168 positive integers (up to 20808516) that are relatively prime to 20808516.
20808516 has 12 divisors, whose sum is 48553232
The reverse of 20808516 is 61580802
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred eight thousand five hundred sixteen
Scientific notation
2.0808516 × 10^7
Engineering notation
2.0808516 × 10^6
Prime Factorization
2 × 2 × 3 × 1734043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10404258
Product of the distinct prime numbers
The prime factorization of 20808516 is 2 × 2 × 3 × 1734043.
Since it has a total of 4 prime factors.
1 , 8 , 35 , 26 , 848 , 297 , 8508 , 5967 , 47947 , 71017 , 361613 , 723308 , 2740944 , 2796110 , 84216488 , 30291433 , 598276396 , 189455223 , 153148711 , 9102167984
n×2
41617032
n×3
62425548
n×4
83234064
n×5
104042580
n÷2
10404258
n÷3
6936172
n÷3
5202129
n÷5
4161703.2
n2
432994338122256
n3
9.0099696127264E+21
n4
1.8748409684593E+29
n5
3.9012658289641E+36
2 √n
4561.6352331154
3 √n
275.05130062223
4 √n
67.53987883551
5 √n
29.083603936893
1 , 2 , 3 , 4 , 6 , 12 , 1734043 , 3468086 , 5202129 , 6936172 , 10404258 , 20808516
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20808515
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20808516 can be divided by 12 positive divisors.
The sum of these divisors (counting 20808516) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111011000001101000100
3
Ternary
1110011011220210
4
Quaternary
1033120031010
5
Quinary
20311333031
6
Senary
2021555420
8
Octal
117301504
10
Decimal
20808516
12
Duodecimal
6b75b70
16
Hexadecimal
13d8344
20
Vigesimal
6a115g
36
Base36
cdzyc
md5
eebd03dcdd0759ac8b5d506744fdd0ca
sha1
22bf0e4c824be9ee265f41a5b996be12aecd95c9
sha256
faf4f7f02ac7a3370c9345b971e2905360e14f16a98d0abd8375be8074e1fb8f
sha512
6e5c1ba4bef7be227e52372289ff34d9c4278a0f927bac3a73d4360df2d60444584bae14c1245746ae004ba7869015b8c4155c5fbd9d79b76b40a4eccd454224
ripemd-160
ad101589154eae93ed9cdd268b373993552cf754
Diameter
41617032
Circumference
130743761.99541
Area
1.3602918316909E+15
Volume
3.7740872459211E+22
Surface area
5.4411673267634E+15
Circumference
130743761.99541
Perimeter
83234064
Area
432994338122256
Diagonal
29427685.540058
Surface area
2597966028733536
Volume
9.0099696127264E+21
Space diagonal
36041406.94211
Perimeter
62425548
Area
1.8749204825435E+14
Altitude
18020703.471055
Surface area
1.8749204825435E+14
Volume
1.0618351019073E+21
Height
9809228.5133525