20506571 is an odd 8-digits composite number following 20506570
and preceding 20506572 . In scientific notation, it is written as 2.0506571 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 19546464 positive integers (up to 20506571) that are relatively prime to 20506571.
20506571 has 12 divisors, whose sum is 21500952
The reverse of 20506571 is 17560502
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million five hundred six thousand five hundred seventy-one
Scientific notation
2.0506571 × 10^7
Engineering notation
2.0506571 × 10^6
Prime Factorization
137 × 59 × 43 × 59
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
347569
Product of the distinct prime numbers
The prime factorization of 20506571 is 137 × 59 × 43 × 59.
Since it has a total of 4 prime factors.
7 , 7 , 25 , 7 , 854 , 666 , 8951 , 8245 , 62307 , 27489 , 172410 , 491823 , 794089 , 7165162 , 87954716 , 58439234 , 157136553 , 400284618 , 8125232933 , 4495728394
n×2
41013142
n×3
61519713
n×4
82026284
n×5
102532855
n÷2
10253285.5
n÷3
6835523.6666667
n÷3
5126642.75
n÷5
4101314.2
n2
420519454178041
n3
8.6234120439832E+21
n4
1.768366113422E+29
n5
3.6263125258882E+36
2 √n
4528.4181564869
3 √n
273.71442265418
4 √n
67.293522396193
5 √n
28.998705349424
1 , 43 , 59 , 137 , 2537 , 3481 , 5891 , 8083 , 149683 , 347569 , 476897 , 20506571
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
-20506570
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 20506571 can be divided by 12 positive divisors.
The sum of these divisors (counting 20506571) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110001110011111001011
3
Ternary
1102120211201122
4
Quaternary
1032032133023
5
Quinary
20222202241
6
Senary
2011305455
8
Octal
116163713
10
Decimal
20506571
12
Duodecimal
6a4b28b
16
Hexadecimal
138e7cb
20
Vigesimal
68368b
36
Base36
c7iyz
md5
1f3e3700f024716c08d6ac5c16f7bcf1
sha1
d890c6548dff909ee782d6fc7484d7598e05ca90
sha256
3312ce547cd5bd6ca745b8238b95e49e51ebe56c1276b8c19ae14e761fa86d3c
sha512
accba1de2a52a009505254970d01b2452e7ace51fa38d2c9956ba6044095fff908794b617d6c90ac2ae4f0b99c56f813b59385428bb93040211e82ccf46cecec
ripemd-160
648f27a4a0205b083b17660b05ae43026d0f5f62
Diameter
41013142
Circumference
128846585.60783
Area
1.3211008279373E+15
Volume
3.6121663901674E+22
Surface area
5.2844033117493E+15
Circumference
128846585.60783
Perimeter
82026284
Area
420519454178041
Diagonal
29000670.825967
Surface area
2523116725068246
Volume
8.6234120439832E+21
Space diagonal
35518422.861019
Perimeter
61519713
Area
1.8209026505187E+14
Altitude
17759211.430509
Surface area
1.8209026505187E+14
Volume
1.0162788555444E+21
Height
9666890.2753223