20804749 is an odd 8-digits composite number following 20804748
and preceding 20804750 . In scientific notation, it is written as 2.0804749 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 17832636 positive integers (up to 20804749) that are relatively prime to 20804749.
20804749 has 4 divisors, whose sum is 23776864
The reverse of 20804749 is 94740802
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred four thousand seven hundred forty-nine
Scientific notation
2.0804749 × 10^7
Engineering notation
2.0804749 × 10^6
Prime Factorization
7 × 2972107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20804749
Product of the distinct prime numbers
The prime factorization of 20804749 is 7 × 2972107.
Since it has a total of 2 prime factors.
8 , 8 , 62 , 13 , 188 , 411 , 1088 , 3478 , 49915 , 59805 , 858207 , 798936 , 4994373 , 5948494 , 3345600 , 15336527 , 859329483 , 8073959 , 6921440209 , 2303496149
n×2
41609498
n×3
62414247
n×4
83218996
n×5
104023745
n÷2
10402374.5
n÷3
6934916.3333333
n÷3
5201187.25
n÷5
4160949.8
n2
432837580953001
n3
9.0050772294944E+21
n4
1.8734837148525E+29
n5
3.8977358443093E+36
2 √n
4561.2223142487
3 √n
275.0347019569
4 √n
67.536821914039
5 √n
29.082550850068
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804749 can be divided by 4 positive divisors.
The sum of these divisors (counting 20804749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010111010010001101
3
Ternary
1110010222202021
4
Quaternary
1033113102031
5
Quinary
20311222444
6
Senary
2021530141
8
Octal
117272215
10
Decimal
20804749
12
Duodecimal
6b73951
16
Hexadecimal
13d748d
20
Vigesimal
6a0bh9
36
Base36
cdx1p
md5
e4e207d9b9e8709faafd8e691bdcee29
sha1
61b1496db0d0a247d87292d4e74280befdee42da
sha256
eb9d895c67593de94a0d6968249a39c926548ee8d5a3bda5ba7893e4c75c4501
sha512
7a5070049f679a7b7cbad12d21b69aab7555f6fc9ec3b7cba42e65296152780715e4a70bc2e397bd4ad5991f54f4736571c357a256fe89bc5f3fa6839d5dcbec
ripemd-160
f8fd7b1b23d8d8df78393823030caf9d79ebebcf
Diameter
41609498
Circumference
130720093.23636
Area
1.3597993645195E+15
Volume
3.7720379292251E+22
Surface area
5.4391974580781E+15
Circumference
130720093.23636
Perimeter
83218996
Area
432837580953001
Diagonal
29422358.197568
Surface area
2597025485718006
Volume
9.0050772294944E+21
Space diagonal
36034882.306718
Perimeter
62414247
Area
1.8742417040895E+14
Altitude
18017441.153359
Surface area
1.8742417040895E+14
Volume
1.061258529014E+21
Height
9807452.7325227