20761389 is an odd 8-digits composite number following 20761388
and preceding 20761390 . In scientific notation, it is written as 2.0761389 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 12287520 positive integers (up to 20761389) that are relatively prime to 20761389.
20761389 has 8 divisors, whose sum is 21463200
The reverse of 20761389 is 98316702
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred sixty-one thousand three hundred eighty-nine
Scientific notation
2.0761389 × 10^7
Engineering notation
2.0761389 × 10^6
Prime Factorization
99 × 43 × 4877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20761389
Product of the distinct prime numbers
The prime factorization of 20761389 is 99 × 43 × 4877.
Since it has a total of 3 prime factors.
5 , 3 , 22 , 76 , 707 , 266 , 6049 , 7742 , 85514 , 77075 , 509437 , 998912 , 3134476 , 9359464 , 12235953 , 43507260 , 833327394 , 174660788 , 7027024576 , 2029091499
n×2
41522778
n×3
62284167
n×4
83045556
n×5
103806945
n÷2
10380694.5
n÷3
6920463
n÷3
5190347.25
n÷5
4152277.8
n2
431035273209321
n3
8.94889097982E+21
n4
1.8579140675063E+29
n5
3.8572876684071E+36
2 √n
4556.4667232407
3 √n
274.84349883163
4 √n
67.501605338249
5 √n
29.07041831266
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
-20761388
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 20761389 can be divided by 8 positive divisors.
The sum of these divisors (counting 20761389) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111001100101100101101
3
Ternary
1110001210021100
4
Quaternary
1033030230231
5
Quinary
20303331024
6
Senary
2020553313
8
Octal
117145455
10
Decimal
20761389
12
Duodecimal
6b52839
16
Hexadecimal
13ccb2d
20
Vigesimal
69f399
36
Base36
cczl9
md5
dbda09a3f328b7c48f88a2488fa98e98
sha1
4f295ceb8b7ca918e6a9fa7ab77835487f00adb8
sha256
cc4a02313d3b9cf37ad6446a4bb89af16ab22f000721088346cf80dfbc1c4637
sha512
1560d69e005176b386fa605639f3547f80ae755c556415937fa0b850ae8a6c6a61687945207be615fbd681d4b292ea640e8761acf3739d00221d1c72bbd8c7df
ripemd-160
09e3ed515fddfb02f2077cfce25741f68b380f73
Diameter
41522778
Circumference
130447654.32144
Area
1.3541372477525E+15
Volume
3.7485026879971E+22
Surface area
5.4165489910099E+15
Circumference
130447654.32144
Perimeter
83045556
Area
431035273209321
Diagonal
29361037.897504
Surface area
2586211639255926
Volume
8.94889097982E+21
Space diagonal
35959780.583702
Perimeter
62284167
Area
1.8664374826322E+14
Altitude
17979890.291851
Surface area
1.8664374826322E+14
Volume
1.0546369159883E+21
Height
9787012.6325012