20808512 is an even 8-digits composite number following 20808511
and preceding 20808513 . In scientific notation, it is written as 2.0808512 × 10^7.
The sum of its digits is 26. It has a total of 7 prime factors and 14 positive divisors.
There are 10404224 positive integers (up to 20808512) that are relatively prime to 20808512.
20808512 has 14 divisors, whose sum is 41292018
The reverse of 20808512 is 21580802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eight hundred eight thousand five hundred twelve
Scientific notation
2.0808512 × 10^7
Engineering notation
2.0808512 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 325133
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
650266
Product of the distinct prime numbers
The prime factorization of 20808512 is 2 × 2 × 2 × 2 × 2 × 2 × 325133.
Since it has a total of 7 prime factors.
8 , 10 , 58 , 99 , 415 , 980 , 4587 , 2749 , 30344 , 48472 , 669184 , 681919 , 7740245 , 3331515 , 54060779 , 86718125 , 386697500 , 456234953 , 7910909421 , 6297657264
n×2
41617024
n×3
62425536
n×4
83234048
n×5
104042560
n÷2
10404256
n÷3
6936170.6666667
n÷3
5202128
n÷5
4161702.4
n2
432994171654144
n3
9.0099644167953E+21
n4
1.8748395268646E+29
n5
3.9012620792836E+36
2 √n
4561.6347946761
3 √n
275.05128299795
4 √n
67.539875589729
5 √n
29.083602818751
1 , 2 , 4 , 8 , 16 , 32 , 64 , 325133 , 650266 , 1300532 , 2601064 , 5202128 , 10404256 , 20808512
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20808511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20808512 can be divided by 14 positive divisors.
The sum of these divisors (counting 20808512) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1001111011000001101000000
3
Ternary
1110011011220122
4
Quaternary
1033120031000
5
Quinary
20311333022
6
Senary
2021555412
8
Octal
117301500
10
Decimal
20808512
12
Duodecimal
6b75b68
16
Hexadecimal
13d8340
20
Vigesimal
6a115c
36
Base36
cdzy8
md5
7435f8c24b1a13749609c4310cb732a0
sha1
33cb0d50ac35eba7963a10831fc21c7c9a5a8861
sha256
20427c7e520ec6a654abcd4bed5cc78d8faf3d6050857c6e5b5e2c3e8420fc88
sha512
ecb06a3045323f1d47f1c64c023a92a4de63b736bc72a04714761de70077852df8417b40b534a88aed91e4307791d956e529ae47acf79adcfafb4d0eb243c873
ripemd-160
1024124e81762502fdf7e196c3d0129604e3c616
Diameter
41617024
Circumference
130743736.86267
Area
1.3602913087159E+15
Volume
3.7740850694546E+22
Surface area
5.4411652348634E+15
Circumference
130743736.86267
Perimeter
83234048
Area
432994171654144
Diagonal
29427679.883203
Surface area
2597965029924864
Volume
9.0099644167953E+21
Space diagonal
36041400.013907
Perimeter
62425536
Area
1.8749197617154E+14
Altitude
18020700.006953
Surface area
1.8749197617154E+14
Volume
1.0618344895609E+21
Height
9809226.6277344