20786984 is an even 8-digits composite number following 20786983
and preceding 20786985 . In scientific notation, it is written as 2.0786984 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors.
There are 10379392 positive integers (up to 20786984) that are relatively prime to 20786984.
20786984 has 16 divisors, whose sum is 39028500
The reverse of 20786984 is 48968702
Previous prime number is 1049
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million seven hundred eighty-six thousand nine hundred eighty-four
Scientific notation
2.0786984 × 10^7
Engineering notation
2.0786984 × 10^6
Prime Factorization
2 × 2 × 2 × 1049 × 2477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5196746
Product of the distinct prime numbers
The prime factorization of 20786984 is 2 × 2 × 2 × 1049 × 2477.
Since it has a total of 5 prime factors.
5 , 7 , 32 , 86 , 957 , 730 , 9280 , 6237 , 69192 , 68989 , 595469 , 911573 , 5880196 , 120145 , 59585268 , 58627499 , 338401050 , 784071669 , 294554351 , 1657795372
n×2
41573968
n×3
62360952
n×4
83147936
n×5
103934920
n÷2
10393492
n÷3
6928994.6666667
n÷3
5196746
n÷5
4157396.8
n2
432098703816256
n3
8.9820288426493E+21
n4
1.8670928983969E+29
n5
3.881123020549E+36
2 √n
4559.2745036903
3 √n
274.95639639242
4 √n
67.522400014293
5 √n
29.077582483739
1 , 2 , 4 , 8 , 1049 , 2098 , 2477 , 4196 , 4954 , 8392 , 9908 , 19816 , 2598373 , 5196746 , 10393492 , 20786984
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
-20786983
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 20786984 can be divided by 16 positive divisors.
The sum of these divisors (counting 20786984) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010111100101000
3
Ternary
1110010002101022
4
Quaternary
1033102330220
5
Quinary
20310140414
6
Senary
2021312012
8
Octal
117227450
10
Decimal
20786984
12
Duodecimal
6b65608
16
Hexadecimal
13d2f28
20
Vigesimal
69i794
36
Base36
cdjc8
md5
d4cb1a1c017942fbf995039a6064aa33
sha1
aa7da3c2e9f40cb60f9c42d7f88252a388b3138d
sha256
a52d1223041cd0c877944f2a0b357c5169a06bcb45d18a7951d259eb6a66e25f
sha512
805695d0cc067f53c0da6f415007dc8e79acc9910121750317fd5784062615a8c960ea3d3307f358ffe6804fb4bb480371a34b9ed67094f0ae1fbdc8710ebc86
ripemd-160
83bd5bfdf508f0e0aed954fa9fec549e8d4675e2
Diameter
41573968
Circumference
130608472.44938
Area
1.3574781135348E+15
Volume
3.7623834435198E+22
Surface area
5.4299124541393E+15
Circumference
130608472.44938
Perimeter
83147936
Area
432098703816256
Diagonal
29397234.693633
Surface area
2592592222897536
Volume
8.9820288426493E+21
Space diagonal
36004112.424121
Perimeter
62360952
Area
1.871042272236E+14
Altitude
18002056.212061
Surface area
1.871042272236E+14
Volume
1.0585422505751E+21
Height
9799078.2312108