20784730 is an even 8-digits composite number following 20784729
and preceding 20784731 . In scientific notation, it is written as 2.0784730 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8313888 positive integers (up to 20784730) that are relatively prime to 20784730.
20784730 has 8 divisors, whose sum is 37412532
The reverse of 20784730 is 03748702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred eighty-four thousand seven hundred thirty
Scientific notation
2.0784730 × 10^7
Engineering notation
2.0784730 × 10^6
Prime Factorization
2 × 5 × 2078473
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20784730
Product of the distinct prime numbers
The prime factorization of 20784730 is 2 × 5 × 2078473.
Since it has a total of 3 prime factors.
9 , 7 , 9 , 4 , 964 , 616 , 5863 , 5009 , 56808 , 3276 , 229264 , 223898 , 9618758 , 8020744 , 4412964 , 36313216 , 259247364 , 716392709 , 7519222530 , 3132199993
n×2
41569460
n×3
62354190
n×4
83138920
n×5
103923650
n÷2
10392365
n÷3
6928243.3333333
n÷3
5196182.5
n÷5
4156946
n2
432005001172900
n3
8.9791073080284E+21
n4
1.866283210384E+29
n5
3.8790192631364E+36
2 √n
4559.0273085385
3 √n
274.94645789566
4 √n
67.520569521728
5 √n
29.076951861097
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20784729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20784730 can be divided by 8 positive divisors.
The sum of these divisors (counting 20784730) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010011001011010
3
Ternary
1110002222021211
4
Quaternary
1033102121122
5
Quinary
20310102410
6
Senary
2021253334
8
Octal
117223132
10
Decimal
20784730
12
Duodecimal
6b6424a
16
Hexadecimal
13d265a
20
Vigesimal
69i1ga
36
Base36
cdhlm
md5
74f5e8d123e302f5b23f1492465aa569
sha1
4996a74f75b8b39f168b8d8ea3b495beb6b64f05
sha256
96582e977ff942fdf1d7078a81bb03762378739657e2e50ba5fd38fbf3623782
sha512
e3b4ed6fcc4edf4ca90b5b7aacf9257d1137a9c6a1f3cd314504e6da0f77768954eac74c4260f4ee5915eed5fc23f72647dd3bb07a01db9357ee32498628b2c4
ripemd-160
2ffae08d481f62870787cecb2774555160e9a0ba
Diameter
41569460
Circumference
130594310.14969
Area
1.3571837379988E+15
Volume
3.7611596739595E+22
Surface area
5.4287349519953E+15
Circumference
130594310.14969
Perimeter
83138920
Area
432005001172900
Diagonal
29394047.056263
Surface area
2592030007037400
Volume
8.9791073080284E+21
Space diagonal
36000208.381601
Perimeter
62354190
Area
1.8706365278883E+14
Altitude
18000104.190801
Surface area
1.8706365278883E+14
Volume
1.0581979444181E+21
Height
9798015.685421