20646910 is an even 8-digits composite number following 20646909
and preceding 20646911 . In scientific notation, it is written as 2.0646910 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8195200 positive integers (up to 20646910) that are relatively prime to 20646910.
20646910 has 16 divisors, whose sum is 37450512
The reverse of 20646910 is 01964602
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million six hundred forty-six thousand nine hundred ten
Scientific notation
2.0646910 × 10^7
Engineering notation
2.0646910 × 10^6
Prime Factorization
2 × 5 × 131 × 15761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20646910
Product of the distinct prime numbers
The prime factorization of 20646910 is 2 × 5 × 131 × 15761.
Since it has a total of 4 prime factors.
8 , 8 , 72 , 26 , 533 , 91 , 4252 , 6445 , 55158 , 18697 , 234183 , 170862 , 6724989 , 3485581 , 12619682 , 19413 , 858058465 , 919149215 , 4997746267 , 8446310227
n×2
41293820
n×3
61940730
n×4
82587640
n×5
103234550
n÷2
10323455
n÷3
6882303.3333333
n÷3
5161727.5
n÷5
4129382
n2
426294892548100
n3
8.8016722799003E+21
n4
1.817273354126E+29
n5
3.7521079388037E+36
2 √n
4543.8871024707
3 √n
274.33740203262
4 √n
67.408360775728
5 √n
29.038288314293
1 , 2 , 5 , 10 , 131 , 262 , 655 , 1310 , 15761 , 31522 , 78805 , 157610 , 2064691 , 4129382 , 10323455 , 20646910
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
-20646909
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 20646910 can be divided by 16 positive divisors.
The sum of these divisors (counting 20646910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110110000101111111110
3
Ternary
1102211222020101
4
Quaternary
1032300233332
5
Quinary
20241200120
6
Senary
2014311314
8
Octal
116605776
10
Decimal
20646910
12
Duodecimal
6ab853a
16
Hexadecimal
13b0bfe
20
Vigesimal
690h5a
36
Base36
caj9a
md5
c4f50a2b3c9da382dee4ebbc9366a189
sha1
935040ad2b359f8b764a0bcdc8fef266da2e32c1
sha256
5df95200f4c720a66e7b93ca03997b90804c9a2a8fd98101ea6888aeb94326b1
sha512
40b9b971bd9a2b2286edc8eebb74481c67a85f9fb7703f9c3a304d392dacb940fddc41d2728330a21a7620e5aa51a2d2d9bd2ce4ec3f477237732024d699e29a
ripemd-160
2ca38f23e5cc30bd195849b2254e8cdb009a589a
Diameter
41293820
Circumference
129728361.55066
Area
1.339244902692E+15
Volume
3.6868358631786E+22
Surface area
5.3569796107678E+15
Circumference
129728361.55066
Perimeter
82587640
Area
426294892548100
Diagonal
29199140.143097
Surface area
2557769355288600
Volume
8.8016722799003E+21
Space diagonal
35761497.139302
Perimeter
61940730
Area
1.8459110322511E+14
Altitude
17880748.569651
Surface area
1.8459110322511E+14
Volume
1.0372870258165E+21
Height
9733046.7143656