20646906 is an even 8-digits composite number following 20646905
and preceding 20646907 . In scientific notation, it is written as 2.0646906 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 5899104 positive integers (up to 20646906) that are relatively prime to 20646906.
20646906 has 16 divisors, whose sum is 47193024
The reverse of 20646906 is 60964602
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million six hundred forty-six thousand nine hundred six
Scientific notation
2.0646906 × 10^7
Engineering notation
2.0646906 × 10^6
Prime Factorization
2 × 3 × 7 × 491593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20646906
Product of the distinct prime numbers
The prime factorization of 20646906 is 2 × 3 × 7 × 491593.
Since it has a total of 4 prime factors.
1 , 8 , 47 , 53 , 690 , 251 , 2611 , 6371 , 5345 , 32586 , 333045 , 614758 , 2783927 , 9478886 , 82015982 , 83809681 , 496717477 , 726501958 , 9207221030 , 8004046127
n×2
41293812
n×3
61940718
n×4
82587624
n×5
103234530
n÷2
10323453
n÷3
6882302
n÷3
5161726.5
n÷5
4129381.2
n2
426294727372836
n3
8.8016671643626E+21
n4
1.8172719458588E+29
n5
3.7521043042584E+36
2 √n
4543.8866623189
3 √n
274.33738431649
4 √n
67.408357510912
5 √n
29.038287189155
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 491593 , 983186 , 1474779 , 2949558 , 3441151 , 6882302 , 10323453 , 20646906
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
-20646905
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 20646906 can be divided by 16 positive divisors.
The sum of these divisors (counting 20646906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110110000101111111010
3
Ternary
1102211222020020
4
Quaternary
1032300233322
5
Quinary
20241200111
6
Senary
2014311310
8
Octal
116605772
10
Decimal
20646906
12
Duodecimal
6ab8536
16
Hexadecimal
13b0bfa
20
Vigesimal
690h56
36
Base36
caj96
md5
e848f30b934a329b7146e176e8d38f6b
sha1
14dd4c2172331c9f5a2a6efcfbc5a21614a679b5
sha256
93a3e67620be28728963d2664d9a00331d7051c9459f71d26b8db3233e5fcec0
sha512
93b4f3456f0949cfb92a62324bf093874a9ba1c91b2967ef228297af7ed6448010703077b954b9b49a90f950fe6dd937d87f63fe43d73de27ad70cb7086e233f
ripemd-160
52b64182493c7cdce12e3fad1cf48bd0d10ccf1a
Diameter
41293812
Circumference
129728336.41792
Area
1.3392443837786E+15
Volume
3.6868337203872E+22
Surface area
5.3569775351143E+15
Circumference
129728336.41792
Perimeter
82587624
Area
426294727372836
Diagonal
29199134.486242
Surface area
2557768364237016
Volume
8.8016671643626E+21
Space diagonal
35761490.211099
Perimeter
61940718
Area
1.8459103170212E+14
Altitude
17880745.105549
Surface area
1.8459103170212E+14
Volume
1.0372864229446E+21
Height
9733044.8287475