20730405 is an odd 8-digits composite number following 20730404
and preceding 20730406 . In scientific notation, it is written as 2.0730405 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 11035200 positive integers (up to 20730405) that are relatively prime to 20730405.
20730405 has 16 divisors, whose sum is 33231744
The reverse of 20730405 is 50403702
Previous prime number is 1901
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million seven hundred thirty thousand four hundred five
Scientific notation
2.0730405 × 10^7
Engineering notation
2.0730405 × 10^6
Prime Factorization
3 × 5 × 1901 × 727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20730405
Product of the distinct prime numbers
The prime factorization of 20730405 is 3 × 5 × 1901 × 727.
Since it has a total of 4 prime factors.
10 , 2 , 13 , 55 , 874 , 953 , 863 , 8111 , 7126 , 12122 , 896065 , 981396 , 1477168 , 3809584 , 69134045 , 31430778 , 666762294 , 242011056 , 2897421879 , 7362545255
n×2
41460810
n×3
62191215
n×4
82921620
n×5
103652025
n÷2
10365202.5
n÷3
6910135
n÷3
5182601.25
n÷5
4146081
n2
429749691464025
n3
8.9088851526743E+21
n4
1.8468479731342E+29
n5
3.8285906456502E+36
2 √n
4553.0654508803
3 √n
274.70670659123
4 √n
67.476406623948
5 √n
29.06173627303
1 , 3 , 5 , 15 , 727 , 1901 , 2181 , 3635 , 5703 , 9505 , 10905 , 28515 , 1382027 , 4146081 , 6910135 , 20730405
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
-20730404
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 20730405 can be divided by 16 positive divisors.
The sum of these divisors (counting 20730405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000101001000100101
3
Ternary
1110000012202210
4
Quaternary
1033011020211
5
Quinary
20301333110
6
Senary
2020154033
8
Octal
117051045
10
Decimal
20730405
12
Duodecimal
6b38919
16
Hexadecimal
13c5225
20
Vigesimal
69b605
36
Base36
ccbol
md5
bbe54ec8065678de7bcea4e43569eef1
sha1
7348d30f8f0505508d15057b6f1acdc94860f87e
sha256
f4c81cb01ea7b0da58c700fa12363268f3a330c372825d3ac6d929a60b7b3eb4
sha512
1d13500062aaa8bda429891dd3e96a13cb81fce07e535524b1821986fb090828ea4a8b3ae11cdee3916b88c82d408e5f75d1bfa0c63519303334405b414a3d6e
ripemd-160
7c4bf921ae230a6c59d09e8dfcaf70e56f5d4b4a
Diameter
41460810
Circumference
130252976.10788
Area
1.3500984735859E+15
Volume
3.7317450863089E+22
Surface area
5.4003938943434E+15
Circumference
130252976.10788
Perimeter
82921620
Area
429749691464025
Diagonal
29317219.904487
Surface area
2578498148784150
Volume
8.9088851526743E+21
Space diagonal
35906114.72148
Perimeter
62191215
Area
1.8608707503819E+14
Altitude
17953057.36074
Surface area
1.8608707503819E+14
Volume
1.0499221840447E+21
Height
9772406.634829