20512708 is an even 8-digits composite number following 20512707
and preceding 20512709 . In scientific notation, it is written as 2.0512708 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 10115712 positive integers (up to 20512708) that are relatively prime to 20512708.
20512708 has 12 divisors, whose sum is 36389500
The reverse of 20512708 is 80721502
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million five hundred twelve thousand seven hundred eight
Scientific notation
2.0512708 × 10^7
Engineering notation
2.0512708 × 10^6
Prime Factorization
2 × 2 × 73 × 70249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10256354
Product of the distinct prime numbers
The prime factorization of 20512708 is 2 × 2 × 73 × 70249.
Since it has a total of 4 prime factors.
1 , 7 , 54 , 16 , 32 , 971 , 1909 , 7283 , 32361 , 22219 , 919757 , 197475 , 5040039 , 1715894 , 41940405 , 24485121 , 306620842 , 353714192 , 4847586502 , 8941565673
n×2
41025416
n×3
61538124
n×4
82050832
n×5
102563540
n÷2
10256354
n÷3
6837569.3333333
n÷3
5128177
n÷5
4102541.6
n2
420771189493264
n3
8.631156544888E+21
n4
1.7704839390758E+29
n5
3.6317420060951E+36
2 √n
4529.0957154823
3 √n
273.74172476253
4 √n
67.298556563141
5 √n
29.00044082977
1 , 2 , 4 , 73 , 146 , 292 , 70249 , 140498 , 280996 , 5128177 , 10256354 , 20512708
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
-20512707
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 20512708 can be divided by 12 positive divisors.
The sum of these divisors (counting 20512708) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110001111111111000100
3
Ternary
1102121011010221
4
Quaternary
1032033333010
5
Quinary
20222401313
6
Senary
2011354124
8
Octal
116177704
10
Decimal
20512708
12
Duodecimal
6a52944
16
Hexadecimal
138ffc4
20
Vigesimal
6841f8
36
Base36
c7npg
md5
ec1cf62c32168ca990f25bdee7a16c8e
sha1
097f2c36bfe851f7a7529ecbb2d3b9c83d32d943
sha256
17bb76e9aac4fc1ff86c0700b1fc8ed89626d835672e29c7c503f3c8732bfb0d
sha512
b6d462f9ba0382f374f24e7faa138f55383c5b8e96bab9e4764ba76a04c402f654a1209896d65b2f96a4d68b58f10f7cc76101bc5759d4e6a9be7798147621b9
ripemd-160
0faeb79d5233e57628ac6c04330475245b24f44e
Diameter
41025416
Circumference
128885145.51607
Area
1.3218916777543E+15
Volume
3.6154103991205E+22
Surface area
5.2875667110171E+15
Circumference
128885145.51607
Perimeter
82050832
Area
420771189493264
Diagonal
29009349.854599
Surface area
2524627136959584
Volume
8.631156544888E+21
Space diagonal
35529052.456825
Perimeter
61538124
Area
1.8219926964088E+14
Altitude
17764526.228412
Surface area
1.8219926964088E+14
Volume
1.0171915537288E+21
Height
9669783.2848664