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 4 prime factors and 16 positive divisors.
There are 12287520 positive integers (up to 20761389) that are relatively prime to 20761389.
20761389 has 16 divisors, whose sum is 29189952
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
33 × 3 × 43 × 4877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20761389
Product of the distinct prime numbers
The prime factorization of 20761389 is 33 × 3 × 43 × 4877.
Since it has a total of 4 prime factors.
7 , 9 , 81 , 48 , 588 , 932 , 8665 , 7530 , 87239 , 6157 , 570721 , 484407 , 5335772 , 153599 , 23316104 , 65241736 , 47852881 , 409167184 , 7101949960 , 9309984090
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
1 , 3 , 33 , 43 , 99 , 129 , 1419 , 4257 , 4877 , 14631 , 160941 , 209711 , 482823 , 629133 , 6920463 , 20761389
16 divisors
τ
Total Divisors
16
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
0.0625
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
16
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 16 positive divisors.
The sum of these divisors (counting 20761389) is 1, the average is 0.0625.
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