20947511 is an odd 8-digits composite number following 20947510
and preceding 20947512 . In scientific notation, it is written as 2.0947511 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 19157472 positive integers (up to 20947511) that are relatively prime to 20947511.
20947511 has 8 divisors, whose sum is 22767360
The reverse of 20947511 is 11574902
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred forty-seven thousand five hundred eleven
Scientific notation
2.0947511 × 10^7
Engineering notation
2.0947511 × 10^6
Prime Factorization
13 × 109 × 14783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20947511
Product of the distinct prime numbers
The prime factorization of 20947511 is 13 × 109 × 14783.
Since it has a total of 3 prime factors.
4 , 5 , 79 , 45 , 589 , 621 , 52 , 3854 , 45780 , 82278 , 172845 , 538232 , 4131387 , 3404628 , 16654904 , 3375368 , 511323780 , 616588500 , 1418530860 , 9961680197
n×2
41895022
n×3
62842533
n×4
83790044
n×5
104737555
n÷2
10473755.5
n÷3
6982503.6666667
n÷3
5236877.75
n÷5
4189502.2
n2
438798217095121
n3
9.1917304793804E+21
n4
1.9254387532586E+29
n5
4.033314946371E+36
2 √n
4576.845092419
3 √n
275.66236368372
4 √n
67.652384233071
5 √n
29.12235458667
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
-20947510
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 20947511 can be divided by 8 positive divisors.
The sum of these divisors (counting 20947511) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111010001000110111
3
Ternary
1110102020120202
4
Quaternary
1033322020313
5
Quinary
20330310021
6
Senary
2024551115
8
Octal
117721067
10
Decimal
20947511
12
Duodecimal
702249b
16
Hexadecimal
13fa237
20
Vigesimal
6ai8fb
36
Base36
cgz7b
md5
cd772ba2becde6babe3c5f370226efac
sha1
114d41217f874767de5c087371112ddb6540533a
sha256
3624a3370d238648ff766b1fb27576486f62af0c3b9b5f6938836314731b1574
sha512
1fda790013321db8c68788bf7bc1157ea272c60f6a97382852e842c81152626464305f15d7aae6c596eed65d74e82deaf3618051bb2b80f8b1072e9248efe821
ripemd-160
3c99b8115cf7b69aeda71ddd28df6395981403bd
Diameter
41895022
Circumference
131617093.33718
Area
1.3785252552343E+15
Volume
3.8502230597065E+22
Surface area
5.5141010209373E+15
Circumference
131617093.33718
Perimeter
83790044
Area
438798217095121
Diagonal
29624254.15416
Surface area
2632789302570726
Volume
9.1917304793804E+21
Space diagonal
36282153.344108
Perimeter
62842533
Area
1.9000520156985E+14
Altitude
18141076.672054
Surface area
1.9000520156985E+14
Volume
1.0832558254682E+21
Height
9874751.3847199