20646965 is an odd 8-digits composite number following 20646964
and preceding 20646966 . In scientific notation, it is written as 2.0646965 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 16517568 positive integers (up to 20646965) that are relatively prime to 20646965.
20646965 has 4 divisors, whose sum is 24776364
The reverse of 20646965 is 56964602
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred forty-six thousand nine hundred sixty-five
Scientific notation
2.0646965 × 10^7
Engineering notation
2.0646965 × 10^6
Prime Factorization
5 × 4129393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20646965
Product of the distinct prime numbers
The prime factorization of 20646965 is 5 × 4129393.
Since it has a total of 2 prime factors.
5 , 4 , 5 , 78 , 516 , 701 , 2015 , 1563 , 4256 , 63575 , 138322 , 39439 , 3179718 , 8079530 , 6150573 , 77709211 , 327243094 , 139048104 , 3200025405 , 6526462833
n×2
41293930
n×3
61940895
n×4
82587860
n×5
103234825
n÷2
10323482.5
n÷3
6882321.6666667
n÷3
5161741.25
n÷5
4129393
n2
426297163711225
n3
8.8017426187449E+21
n4
1.8172927178823E+29
n5
3.7521579140872E+36
2 √n
4543.8931545537
3 √n
274.33764562909
4 √n
67.408405666903
5 √n
29.038303784929
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20646964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20646965 can be divided by 4 positive divisors.
The sum of these divisors (counting 20646965) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110110000110000110101
3
Ternary
1102211222022102
4
Quaternary
1032300300311
5
Quinary
20241200330
6
Senary
2014311445
8
Octal
116606065
10
Decimal
20646965
12
Duodecimal
6ab8585
16
Hexadecimal
13b0c35
20
Vigesimal
690h85
36
Base36
cajat
md5
d48284962461719cb20155054d95bcdb
sha1
c7a5f350ae97269fa61fab3aad5853199b90e70f
sha256
665e49c927e6be5eff810144d55ed1a02201bc26b1a085961718e1b70af2e3ba
sha512
0135e493183f5d0a5cbafee658e08d0d041048bb94512749324e0e459b2d367e608b7f4640fd6e1ff8cae274d6bfe0aaa6177853a1d6305e8a4d309710636e77
ripemd-160
d7ca0906b91e4c9987304147c27cc88c5adaf823
Diameter
41293930
Circumference
129728707.12585
Area
1.3392520377613E+15
Volume
3.686865326645E+22
Surface area
5.3570081510454E+15
Circumference
129728707.12585
Perimeter
82587860
Area
426297163711225
Diagonal
29199217.924843
Surface area
2557782982267350
Volume
8.8017426187449E+21
Space diagonal
35761592.402096
Perimeter
61940895
Area
1.8459208666759E+14
Altitude
17880796.201048
Surface area
1.8459208666759E+14
Volume
1.0372953153289E+21
Height
9733072.6416142