20388220 is an even 8-digits composite number following 20388219
and preceding 20388221 . In scientific notation, it is written as 2.0388220 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 8155280 positive integers (up to 20388220) that are relatively prime to 20388220.
20388220 has 12 divisors, whose sum is 42815304
The reverse of 20388220 is 02288302
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million three hundred eighty-eight thousand two hundred twenty
Scientific notation
2.0388220 × 10^7
Engineering notation
2.0388220 × 10^6
Prime Factorization
2 × 2 × 5 × 1019411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10194110
Product of the distinct prime numbers
The prime factorization of 20388220 is 2 × 2 × 5 × 1019411.
Since it has a total of 4 prime factors.
8 , 6 , 4 , 76 , 465 , 940 , 1343 , 4704 , 84189 , 53746 , 196905 , 710263 , 8743931 , 4057224 , 77707677 , 49398218 , 502261618 , 700284160 , 4474354551 , 8736403566
n×2
40776440
n×3
61164660
n×4
81552880
n×5
101941100
n÷2
10194110
n÷3
6796073.3333333
n÷3
5097055
n÷5
4077644
n2
415679514768400
n3
8.4749653965914E+21
n4
1.7278945899809E+29
n5
3.5228695037341E+36
2 √n
4515.3316600223
3 √n
273.18683735487
4 √n
67.196217602052
5 √n
28.965155358841
1 , 2 , 4 , 5 , 10 , 20 , 1019411 , 2038822 , 4077644 , 5097055 , 10194110 , 20388220
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
-20388219
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 20388220 can be divided by 12 positive divisors.
The sum of these divisors (counting 20388220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110001100101111100
3
Ternary
1102100211101021
4
Quaternary
1031301211330
5
Quinary
20204410340
6
Senary
2004553524
8
Octal
115614574
10
Decimal
20388220
12
Duodecimal
69b28a4
16
Hexadecimal
137197c
20
Vigesimal
678ab0
36
Base36
c4zng
md5
798d88a71fef1074f6ec83b3386807a1
sha1
6851be9d17afb530b18682f2731ebde3038cdd84
sha256
4308e03d04af8f4282a9faa1ed3d340547d997c74e15c1e255fe51753b358f4b
sha512
2642a935b342dfe1dd6eb065f7df32bee34584ee3f2fc1c6998a7b1cb975f54e5d0da480549bf6b125a3cab8fe0a5367bfcc5ab8825a141bdc342f337e8f13e0
ripemd-160
f2bb411c47c78fb4cc146cd0fe778608f14442b2
Diameter
40776440
Circumference
128102964.34354
Area
1.3058957098442E+15
Volume
3.5499852039146E+22
Surface area
5.2235828393767E+15
Circumference
128102964.34354
Perimeter
81552880
Area
415679514768400
Diagonal
28833297.236646
Surface area
2494077088610400
Volume
8.4749653965914E+21
Space diagonal
35313432.915892
Perimeter
61164660
Area
1.7999450981111E+14
Altitude
17656716.457946
Surface area
1.7999450981111E+14
Volume
9.9878425037518E+20
Height
9611099.0788821