20809744 is an even 8-digits composite number following 20809743
and preceding 20809745 . In scientific notation, it is written as 2.0809744 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 10 positive divisors.
There are 10404864 positive integers (up to 20809744) that are relatively prime to 20809744.
20809744 has 10 divisors, whose sum is 40318910
The reverse of 20809744 is 44790802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred nine thousand seven hundred forty-four
Scientific notation
2.0809744 × 10^7
Engineering notation
2.0809744 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1300609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2601218
Product of the distinct prime numbers
The prime factorization of 20809744 is 2 × 2 × 2 × 2 × 1300609.
Since it has a total of 5 prime factors.
10 , 5 , 68 , 33 , 715 , 833 , 5787 , 7996 , 90135 , 83023 , 104911 , 903487 , 3008959 , 9912966 , 1517717 , 13717026 , 684571317 , 629233222 , 6516099841 , 2824769645
n×2
41619488
n×3
62429232
n×4
83238976
n×5
104048720
n÷2
10404872
n÷3
6936581.3333333
n÷3
5202436
n÷5
4161948.8
n2
433045445345536
n3
9.0115648580066E+21
n4
1.8752835773451E+29
n5
3.9024171171956E+36
2 √n
4561.7698319841
3 √n
275.05671116909
4 √n
67.540875268122
5 √n
29.083947198494
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809743
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809744 can be divided by 10 positive divisors.
The sum of these divisors (counting 20809744) is 1, the average is 0.1.
Base
System
Value
2
Binary
1001111011000100000010000
3
Ternary
1110011020121021
4
Quaternary
1033120200100
5
Quinary
20311402434
6
Senary
2022005224
8
Octal
117304020
10
Decimal
20809744
12
Duodecimal
6b76814
16
Hexadecimal
13d8810
20
Vigesimal
6a1474
36
Base36
ce0wg
md5
2333248c357a1f7693b5f0c644cdafa3
sha1
b9b9781249d396b4a9eb75c21b8a83f16a5b5f6e
sha256
24ee10fe561402bc456774f0a57e0cdc520b9f89d0c074ae9b854200bdad59ed
sha512
26f8f27d910cb30e605ded05e8089d4d8167e8a7a6f79ee40cb49a0324ea571d084576d62d4a39ae5bd4741865c40f2a1e254a06faf942e0f766e490437a26a9
ripemd-160
ab503745aba9b4c44212aaf45384c53cd4027790
Diameter
41619488
Circumference
130751477.74697
Area
1.3604523897681E+15
Volume
3.7747554607015E+22
Surface area
5.4418095590722E+15
Circumference
130751477.74697
Perimeter
83238976
Area
433045445345536
Diagonal
29429422.194312
Surface area
2598272672073216
Volume
9.0115648580066E+21
Space diagonal
36043533.900502
Perimeter
62429232
Area
1.8751417833119E+14
Altitude
18021766.950251
Surface area
1.8751417833119E+14
Volume
1.0620231033665E+21
Height
9809807.398104