20388620 is an even 8-digits composite number following 20388619
and preceding 20388621 . In scientific notation, it is written as 2.0388620 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 6990336 positive integers (up to 20388620) that are relatively prime to 20388620.
20388620 has 12 divisors, whose sum is 36699768
The reverse of 20388620 is 02688302
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million three hundred eighty-eight thousand six hundred twenty
Scientific notation
2.0388620 × 10^7
Engineering notation
2.0388620 × 10^6
Prime Factorization
2 × 2 × 35 × 145633
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10194310
Product of the distinct prime numbers
The prime factorization of 20388620 is 2 × 2 × 35 × 145633.
Since it has a total of 4 prime factors.
6 , 4 , 32 , 90 , 636 , 12 , 5719 , 526 , 39098 , 13872 , 903889 , 181438 , 8508542 , 5693352 , 53996241 , 22035630 , 172885476 , 565654495 , 3351979348 , 8680110125
n×2
40777240
n×3
61165860
n×4
81554480
n×5
101943100
n÷2
10194310
n÷3
6796206.6666667
n÷3
5097155
n÷5
4077724
n2
415695825504400
n3
8.4754642217955E+21
n4
1.7280301934178E+29
n5
3.5232150962123E+36
2 √n
4515.3759533399
3 √n
273.18862390973
4 √n
67.196547183169
5 √n
28.965269012423
1 , 2 , 4 , 35 , 70 , 140 , 145633 , 291266 , 582532 , 5097155 , 10194310 , 20388620
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20388619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20388620 can be divided by 12 positive divisors.
The sum of these divisors (counting 20388620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110001101100001100
3
Ternary
1102100211221002
4
Quaternary
1031301230030
5
Quinary
20204413440
6
Senary
2004555432
8
Octal
115615414
10
Decimal
20388620
12
Duodecimal
69b2b78
16
Hexadecimal
1371b0c
20
Vigesimal
678bb0
36
Base36
c4zyk
md5
8a86a63cc69ee62f991d784554ac7dd3
sha1
82b7b58e051f6b1032cced96d7e55105276682c9
sha256
d2b4f36de81db6244c12398ec569b8ca8249b045262c12927d831629e6b002a5
sha512
5ba9b48a74fc93cc2c4ca4e02ed7a871550a2b565afc978eaa2b829b94c172030cc8a748bd67fad10dfd0ae78bec66fb442589c212fe18391c040a3875abef27
ripemd-160
82243f13ed518736abc245590734eb2a28d02b85
Diameter
40777240
Circumference
128105477.61767
Area
1.3059469515326E+15
Volume
3.5501941513275E+22
Surface area
5.2237878061303E+15
Circumference
128105477.61767
Perimeter
81554480
Area
415695825504400
Diagonal
28833862.922071
Surface area
2494174953026400
Volume
8.4754642217955E+21
Space diagonal
35314125.736215
Perimeter
61165860
Area
1.8000157256698E+14
Altitude
17657062.868107
Surface area
1.8000157256698E+14
Volume
9.9884303748926E+20
Height
9611287.6406904