20506789 is an odd 8-digits prime number following 20506788
and preceding 20506790 . In scientific notation, it is written as 2.0506789 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20506788 positive integers (up to 20506789) that are relatively prime to 20506789.
20506789 has 2 divisors, whose sum is 20506790
The reverse of 20506789 is 98760502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million five hundred six thousand seven hundred eighty-nine
Scientific notation
2.0506789 × 10^7
Engineering notation
2.0506789 × 10^6
Prime Factorization
20506789
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20506789
Product of the distinct prime numbers
The prime factorization of 20506789 is 20506789.
Since it has a total of 1 prime factors.
10 , 7 , 49 , 84 , 689 , 160 , 1530 , 3500 , 26402 , 93252 , 908045 , 620636 , 2397078 , 7942313 , 40749526 , 68389722 , 734470997 , 217255830 , 9424272748 , 500222985
n×2
41013578
n×3
61520367
n×4
82027156
n×5
102533945
n÷2
10253394.5
n÷3
6835596.3333333
n÷3
5126697.25
n÷5
4101357.8
n2
420528395090521
n3
8.62368706663E+21
n4
1.7684413107741E+29
n5
3.6265052818928E+36
2 √n
4528.4422266382
3 √n
273.71539257959
4 √n
67.293701240445
5 √n
28.998767004694
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20506790
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10253395
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4528.4423370515
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999024713
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20506789 can be divided by 2 positive divisors.
The sum of these divisors (counting 20506789) is 20506790, the average is 10253395.
Base
System
Value
2
Binary
1001110001110100010100101
3
Ternary
1102120212000201
4
Quaternary
1032032202211
5
Quinary
20222204124
6
Senary
2011310501
8
Octal
116164245
10
Decimal
20506789
12
Duodecimal
6a4b431
16
Hexadecimal
138e8a5
20
Vigesimal
6836j9
36
Base36
c7j51
md5
437bd77b11f67f0632dbce193c204462
sha1
68ea842ff9cdd52191065a8d5fc3af1ed419b81d
sha256
57a5cb88e43f9807455eba58d762ae46ec25d383b248bf9cf5aad0c507919521
sha512
d4014a486341c9ffd44a76c49920da15c44251bd12a8b66a7e938204c46d9cb62da14315fda0938828a8e5c5e8eb589a7c1f4e1781cedf483afbf431c25487d5
ripemd-160
c1027c6fad22e3adf5514824fb72554731d7c096
Diameter
41013578
Circumference
128847955.34223
Area
1.3211289166423E+15
Volume
3.6122815913843E+22
Surface area
5.2845156665691E+15
Circumference
128847955.34223
Perimeter
82027156
Area
420528395090521
Diagonal
29000979.124523
Surface area
2523170370543126
Volume
8.62368706663E+21
Space diagonal
35518800.448095
Perimeter
61520367
Area
1.8209413658055E+14
Altitude
17759400.224047
Surface area
1.8209413658055E+14
Volume
1.0163112672741E+21
Height
9666993.0415078