20105305 is an odd 8-digits composite number following 20105304
and preceding 20105306 . In scientific notation, it is written as 2.0105305 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors.
There are 13761280 positive integers (up to 20105305) that are relatively prime to 20105305.
20105305 has 16 divisors, whose sum is 27869184
The reverse of 20105305 is 50350102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred five thousand three hundred five
Scientific notation
2.0105305 × 10^7
Engineering notation
2.0105305 × 10^6
Prime Factorization
5 × 11 × 17 × 21503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20105305
Product of the distinct prime numbers
The prime factorization of 20105305 is 5 × 11 × 17 × 21503.
Since it has a total of 4 prime factors.
5 , 10 , 18 , 45 , 734 , 5 , 295 , 1775 , 47528 , 38133 , 68334 , 831429 , 5903817 , 4987022 , 61383202 , 36728806 , 687692265 , 755027468 , 4679842944 , 7702955092
n×2
40210610
n×3
60315915
n×4
80421220
n×5
100526525
n÷2
10052652.5
n÷3
6701768.3333333
n÷3
5026326.25
n÷5
4021061
n2
404223289143025
n3
8.1270325163237E+21
n4
1.6339646748561E+29
n5
3.2851358147207E+36
2 √n
4483.8939550351
3 √n
271.91733088177
4 √n
66.961884345014
5 √n
28.884319029062
1 , 5 , 11 , 17 , 55 , 85 , 187 , 935 , 21503 , 107515 , 236533 , 365551 , 1182665 , 1827755 , 4021061 , 20105305
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20105304
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20105305 can be divided by 16 positive divisors.
The sum of these divisors (counting 20105305) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101100100001011001
3
Ternary
1101211110021221
4
Quaternary
1030230201121
5
Quinary
20121332210
6
Senary
1554532041
8
Octal
114544131
10
Decimal
20105305
12
Duodecimal
6897021
16
Hexadecimal
132c859
20
Vigesimal
65d355
36
Base36
byxcp
md5
f758983ad35f885bc4b68be870e9442a
sha1
4334c529a1485ff0d792254267fe7795ddb1c6d9
sha256
ee2c47a69796eda74cdb14b13fca6bff202ada50ad530c5b7c63fc9fc09b9dde
sha512
28fdf577a06e5265c2288ed94b31ff5d47aaada6beb3c2128b750a7eba8b7364a1d02f341dfaba4ff1053f625de919c6538a7cf1a89af35caa93f6df5ad4d859
ripemd-160
410ea1f21276976767210cf3607e04ea07acfe75
Diameter
40210610
Circumference
126325356.97236
Area
1.2699049155816E+15
Volume
3.4042434198357E+22
Surface area
5.0796196623265E+15
Circumference
126325356.97236
Perimeter
80421220
Area
404223289143025
Diagonal
28433195.006648
Surface area
2425339734858150
Volume
8.1270325163237E+21
Space diagonal
34823409.761669
Perimeter
60315915
Area
1.7503381859958E+14
Altitude
17411704.880834
Surface area
1.7503381859958E+14
Volume
9.5777996720268E+20
Height
9477731.6688825