20681730 is an even 8-digits composite number following 20681729
and preceding 20681731 . In scientific notation, it is written as 2.0681730 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5513184 positive integers (up to 20681730) that are relatively prime to 20681730.
20681730 has 16 divisors, whose sum is 37291320
The reverse of 20681730 is 03718602
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six hundred eighty-one thousand seven hundred thirty
Scientific notation
2.0681730 × 10^7
Engineering notation
2.0681730 × 10^6
Prime Factorization
2 × 729 × 5 × 2837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20681730
Product of the distinct prime numbers
The prime factorization of 20681730 is 2 × 729 × 5 × 2837.
Since it has a total of 4 prime factors.
8 , 5 , 3 , 67 , 679 , 572 , 9113 , 4903 , 68660 , 64638 , 627736 , 597035 , 32340 , 2470783 , 17300129 , 45965503 , 333006753 , 113559303 , 2186240811 , 4818059675
n×2
41363460
n×3
62045190
n×4
82726920
n×5
103408650
n÷2
10340865
n÷3
6893910
n÷3
5170432.5
n÷5
4136346
n2
427733955792900
n3
8.8462781855407E+21
n4
1.8295633693824E+29
n5
3.7838535623458E+36
2 √n
4547.7170096654
3 √n
274.49153427264
4 √n
67.436763042612
5 √n
29.048076043414
1 , 2 , 5 , 10 , 729 , 1458 , 2837 , 3645 , 5674 , 7290 , 14185 , 28370 , 2068173 , 4136346 , 10340865 , 20681730
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
-20681729
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 20681730 can be divided by 16 positive divisors.
The sum of these divisors (counting 20681730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111001010000000010
3
Ternary
1102220202000000
4
Quaternary
1032321100002
5
Quinary
20243303410
6
Senary
2015140430
8
Octal
116712002
10
Decimal
20681730
12
Duodecimal
6b14716
16
Hexadecimal
13b9402
20
Vigesimal
69546a
36
Base36
cba4i
md5
2cc96bb29062f8a4aab36b571c017173
sha1
c18e3af2de8e64603bf7c30276fa6af1d30b49f2
sha256
e23dfde5ddf9c13b53cc23535ed79b8808f1338645e6e15206b55b15e5df1542
sha512
a39f7eb8d498f53c7db406d10b18a4d7a66ebf740d9793df91b0dfa1a89f387086b8623a2c4d37d42acbdfbaf180265e368d51d0377e0f0575b9a2823f07f5cb
ripemd-160
e89d9da0dab1882602f1d0026f7e44ba7cd90ce9
Diameter
41363460
Circumference
129947142.06306
Area
1.3437658532099E+15
Volume
3.7055203412408E+22
Surface area
5.3750634128395E+15
Circumference
129947142.06306
Perimeter
82726920
Area
427733955792900
Diagonal
29248383.059339
Surface area
2566403734757400
Volume
8.8462781855407E+21
Space diagonal
35821807.148421
Perimeter
62045190
Area
1.8521423588893E+14
Altitude
17910903.574211
Surface area
1.8521423588893E+14
Volume
1.0425438822097E+21
Height
9749461.0197795