20391623 is an odd 8-digits composite number following 20391622
and preceding 20391624 . In scientific notation, it is written as 2.0391623 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 17450136 positive integers (up to 20391623) that are relatively prime to 20391623.
20391623 has 8 divisors, whose sum is 23342592
The reverse of 20391623 is 32619302
Previous prime number is 727
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million three hundred ninety-one thousand six hundred twenty-three
Scientific notation
2.0391623 × 10^7
Engineering notation
2.0391623 × 10^6
Prime Factorization
7 × 727 × 4007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20391623
Product of the distinct prime numbers
The prime factorization of 20391623 is 7 × 727 × 4007.
Since it has a total of 3 prime factors.
1 , 9 , 7 , 24 , 119 , 29 , 5897 , 5242 , 6250 , 50804 , 311198 , 426713 , 3152714 , 1784864 , 21721457 , 81923974 , 980832157 , 225595817 , 9594689957 , 5502335329
n×2
40783246
n×3
61174869
n×4
81566492
n×5
101958115
n÷2
10195811.5
n÷3
6797207.6666667
n÷3
5097905.75
n÷5
4078324.6
n2
415818288574129
n3
8.4792097771088E+21
n4
1.7290484911272E+29
n5
3.5258104979784E+36
2 √n
4515.7084715469
3 √n
273.20203572415
4 √n
67.19902135855
5 √n
28.966122209733
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20391622
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20391623 can be divided by 8 positive divisors.
The sum of these divisors (counting 20391623) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110010011011000111
3
Ternary
1102101000001022
4
Quaternary
1031302123013
5
Quinary
20210012443
6
Senary
2005021355
8
Octal
115623307
10
Decimal
20391623
12
Duodecimal
69b485b
16
Hexadecimal
13726c7
20
Vigesimal
678j13
36
Base36
c529z
md5
864b5aaaaa6ec0d2e7b3f7a209fb93b2
sha1
6b7cf5a42519d7d7dac466555341196ae9f8caa7
sha256
b6304e2089ffe4369631244172490ed1700c59c695352e6e4e679ab0b1ea43ed
sha512
6a0ea571459761127821726f2852a3906015bf48d9badf0fe6a85468b1d35ca80dce64f3a58c589540c3a5dd5c85fb8612f8ca5e87a6b54b0ce95b43f819a28c
ripemd-160
0450088771d413691d1691a803ebe1b73d6b1a2d
Diameter
40783246
Circumference
128124346.02315
Area
1.3063316806128E+15
Volume
3.5517630858683E+22
Surface area
5.2253267224511E+15
Circumference
128124346.02315
Perimeter
81566492
Area
415818288574129
Diagonal
28838109.805399
Surface area
2494909731444774
Volume
8.4792097771088E+21
Space diagonal
35319327.08479
Perimeter
61174869
Area
1.8005460063168E+14
Altitude
17659663.542395
Surface area
1.8005460063168E+14
Volume
9.9928445541616E+20
Height
9612703.2684664