20512245 is an odd 8-digits composite number following 20512244
and preceding 20512246 . In scientific notation, it is written as 2.0512245 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 9821952 positive integers (up to 20512245) that are relatively prime to 20512245.
20512245 has 16 divisors, whose sum is 25937280
The reverse of 20512245 is 54221502
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million five hundred twelve thousand two hundred forty-five
Scientific notation
2.0512245 × 10^7
Engineering notation
2.0512245 × 10^6
Prime Factorization
39 × 5 × 37 × 2843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20512245
Product of the distinct prime numbers
The prime factorization of 20512245 is 39 × 5 × 37 × 2843.
Since it has a total of 4 prime factors.
8 , 1 , 83 , 2 , 861 , 892 , 4487 , 8824 , 96979 , 3850 , 674035 , 336233 , 4781811 , 1246227 , 82011876 , 29334093 , 6248259 , 113654215 , 1098831824 , 4561637726
n×2
41024490
n×3
61536735
n×4
82048980
n×5
102561225
n÷2
10256122.5
n÷3
6837415
n÷3
5128061.25
n÷5
4102449
n2
420752194940025
n3
8.6305721068976E+21
n4
1.7703240954685E+29
n5
3.6313321575653E+36
2 √n
4529.0446012377
3 √n
273.73966517144
4 √n
67.298176804707
5 √n
29.00030991263
1 , 5 , 37 , 39 , 185 , 195 , 1443 , 2843 , 7215 , 14215 , 105191 , 110877 , 525955 , 554385 , 4102449 , 20512245
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
-20512244
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 20512245 can be divided by 16 positive divisors.
The sum of these divisors (counting 20512245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001111110111110101
3
Ternary
1102121010111210
4
Quaternary
1032033313311
5
Quinary
20222342440
6
Senary
2011352033
8
Octal
116176765
10
Decimal
20512245
12
Duodecimal
6a52619
16
Hexadecimal
138fdf5
20
Vigesimal
6840c5
36
Base36
c7ncl
md5
f9193512a04ec69bef6f649cb819167b
sha1
c6d1f5ffaf524551324ab8954872a90108a698d5
sha256
740bbb3c394823e0ccda023e8f7e9cfda53bc12f2fc56cf5bceb3f2170a86d28
sha512
6400e9faa35d0bfe7f45d23758ac723809bbfb0675b3db19bb4d489112543cd4276706c26f4ef0f41098201f68f80bde56b52c3c8a776a63d88ffa9ff57fe5c2
ripemd-160
778d58dedabee5ccadbfda0a7dd66bf547116fab
Diameter
41024490
Circumference
128882236.40127
Area
1.3218320046054E+15
Volume
3.6151655903075E+22
Surface area
5.2873280184215E+15
Circumference
128882236.40127
Perimeter
82048980
Area
420752194940025
Diagonal
29008695.07372
Surface area
2524513169640150
Volume
8.6305721068976E+21
Space diagonal
35528250.517301
Perimeter
61536735
Area
1.8219104475806E+14
Altitude
17764125.25865
Surface area
1.8219104475806E+14
Volume
1.0171226770511E+21
Height
9669565.0245732