20723449 is an odd 8-digits prime number following 20723448
and preceding 20723450 . In scientific notation, it is written as 2.0723449 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20723448 positive integers (up to 20723449) that are relatively prime to 20723449.
20723449 has 2 divisors, whose sum is 20723450
The reverse of 20723449 is 94432702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred twenty-three thousand four hundred forty-nine
Scientific notation
2.0723449 × 10^7
Engineering notation
2.0723449 × 10^6
Prime Factorization
20723449
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20723449
Product of the distinct prime numbers
The prime factorization of 20723449 is 20723449.
Since it has a total of 1 prime factors.
1 , 5 , 92 , 10 , 248 , 931 , 4600 , 1582 , 64608 , 45414 , 535052 , 499963 , 8840892 , 1871706 , 9482083 , 77546034 , 262836570 , 748415681 , 9251216550 , 6746211234
n×2
41446898
n×3
62170347
n×4
82893796
n×5
103617245
n÷2
10361724.5
n÷3
6907816.3333333
n÷3
5180862.25
n÷5
4144689.8
n2
429461338455601
n3
8.8999201449564E+21
n4
1.8443704122808E+29
n5
3.8221716176009E+36
2 √n
4552.301505832
3 √n
274.67597759489
4 √n
67.470745555626
5 √n
29.059785702594
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20723450
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10361725
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4552.3016156665
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999903491
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20723449 can be divided by 2 positive divisors.
The sum of these divisors (counting 20723449) is 20723450, the average is 10361725.
Base
System
Value
2
Binary
1001111000011011011111001
3
Ternary
1102222212020011
4
Quaternary
1033003123321
5
Quinary
20301122244
6
Senary
2020101521
8
Octal
117033371
10
Decimal
20723449
12
Duodecimal
6b348a1
16
Hexadecimal
13c36f9
20
Vigesimal
69a8c9
36
Base36
cc6bd
md5
4bd4c803670647a16b06043d83b6c927
sha1
02ec46049259d22f293f63ab4d7d4329ba883a7b
sha256
6b3969fa8029adbe78c2e37a5dd8799f5227c50ace9742eb0ada7b5df5240901
sha512
c11d6e1e8c8e9d97918bd266498072c23699c220465fed43c0e8fde1da2e214b0d78fee47f0e25ad8e4f6212b728746ddc4d3afa3be178589800f7911114426f
ripemd-160
c30b33a7d27c0ffc5c830e098c9eaa5b772ec9a2
Diameter
41446898
Circumference
130209270.27089
Area
1.349192585893E+15
Volume
3.7279898326574E+22
Surface area
5.3967703435718E+15
Circumference
130209270.27089
Perimeter
82893796
Area
429461338455601
Diagonal
29307382.634947
Surface area
2576768030733606
Volume
8.8999201449564E+21
Space diagonal
35894066.576062
Perimeter
62170347
Area
1.8596221452291E+14
Altitude
17947033.288031
Surface area
1.8596221452291E+14
Volume
1.0488656477529E+21
Height
9769127.5449824