20716561 is an odd 8-digits prime number following 20716560
and preceding 20716562 . In scientific notation, it is written as 2.0716561 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20716560 positive integers (up to 20716561) that are relatively prime to 20716561.
20716561 has 2 divisors, whose sum is 20716562
The reverse of 20716561 is 16561702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred sixteen thousand five hundred sixty-one
Scientific notation
2.0716561 × 10^7
Engineering notation
2.0716561 × 10^6
Prime Factorization
20716561
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20716561
Product of the distinct prime numbers
The prime factorization of 20716561 is 20716561.
Since it has a total of 1 prime factors.
7 , 8 , 38 , 34 , 48 , 902 , 1926 , 2408 , 6272 , 18962 , 603741 , 548286 , 3580694 , 7746092 , 91148338 , 8576063 , 298531636 , 128440866 , 2598815084 , 1674176186
n×2
41433122
n×3
62149683
n×4
82866244
n×5
103582805
n÷2
10358280.5
n÷3
6905520.3333333
n÷3
5179140.25
n÷5
4143312.2
n2
429175899666721
n3
8.8910487051755E+21
n4
1.8419195285474E+29
n5
3.8158238270243E+36
2 √n
4551.5449025578
3 √n
274.64554222048
4 √n
67.465138423914
5 √n
29.05785368422
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20716562
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10358281
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4551.5450124106
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999034589
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20716561 can be divided by 2 positive divisors.
The sum of these divisors (counting 20716561) is 20716562, the average is 10358281.
Base
System
Value
2
Binary
1001111000001110000010001
3
Ternary
1102222111210001
4
Quaternary
1033001300101
5
Quinary
20300412221
6
Senary
2020010001
8
Octal
117016021
10
Decimal
20716561
12
Duodecimal
6b30901
16
Hexadecimal
13c1c11
20
Vigesimal
699b81
36
Base36
cc101
md5
795b387085ef393aa169157e664b9513
sha1
7c15eb38348597138e503bae0f06d07ec3a73af4
sha256
4d0afb6d0a1e049a94e70b559f69fe4f62bb75f1184b668a75e2e930041468ee
sha512
4ee0e3ae8311210a3b517fea31427be89d47b6ade7c8696bf19baf4cea3925602be39a89725559ac2277d1f45c4befae81af89027b38e5d6e9df63f5c612d4e5
ripemd-160
54619b7a0b7da74f68874323ce3a3dcac83bfb40
Diameter
41433122
Circumference
130165991.69049
Area
1.3482958534908E+15
Volume
3.7242737726518E+22
Surface area
5.393183413963E+15
Circumference
130165991.69049
Perimeter
82866244
Area
429175899666721
Diagonal
29297641.53193
Surface area
2575055398000326
Volume
8.8910487051755E+21
Space diagonal
35882136.2101
Perimeter
62149683
Area
1.8583861590171E+14
Altitude
17941068.10505
Surface area
1.8583861590171E+14
Volume
1.0478201385482E+21
Height
9765880.5106432