20809738 is an even 8-digits composite number following 20809737
and preceding 20809739 . In scientific notation, it is written as 2.0809738 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10404868 positive integers (up to 20809738) that are relatively prime to 20809738.
20809738 has 4 divisors, whose sum is 31214610
The reverse of 20809738 is 83790802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred nine thousand seven hundred thirty-eight
Scientific notation
2.0809738 × 10^7
Engineering notation
2.0809738 × 10^6
Prime Factorization
2 × 10404869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20809738
Product of the distinct prime numbers
The prime factorization of 20809738 is 2 × 10404869.
Since it has a total of 2 prime factors.
3 , 2 , 56 , 84 , 577 , 764 , 6834 , 9031 , 30007 , 67649 , 765977 , 494620 , 7391411 , 1690333 , 53808530 , 42457660 , 627539580 , 512579455 , 4862588708 , 7762372426
n×2
41619476
n×3
62429214
n×4
83238952
n×5
104048690
n÷2
10404869
n÷3
6936579.3333333
n÷3
5202434.5
n÷5
4161947.6
n2
433045195628644
n3
9.0115570631908E+21
n4
1.8752814145705E+29
n5
3.9024114913482E+36
2 √n
4561.7691743445
3 √n
275.05668473372
4 √n
67.540870399666
5 √n
29.08394552136
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
-20809737
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 20809738 can be divided by 4 positive divisors.
The sum of these divisors (counting 20809738) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000100000001010
3
Ternary
1110011020121001
4
Quaternary
1033120200022
5
Quinary
20311402423
6
Senary
2022005214
8
Octal
117304012
10
Decimal
20809738
12
Duodecimal
6b7680a
16
Hexadecimal
13d880a
20
Vigesimal
6a146i
36
Base36
ce0wa
md5
f417aa8c1ff163e88706974c1da49e38
sha1
5e754f1a42bb8c8098e069f78abde4ef374c9210
sha256
c4082321c3cf205b96349fa0016a41f830c85e03093701ae4343562f7d4b0f88
sha512
8a740a160ac529544f10c8ade085c900573b52c8e641e7d82cc7a45dcf93beeee58537035b131ecc162b98108bd6f5b5aa521659c2fa0ed30051b58d911827b5
ripemd-160
755a4d3be721ff1f8890d56ff305bd552ee18356
Diameter
41619476
Circumference
130751440.04786
Area
1.3604516052593E+15
Volume
3.7747521956167E+22
Surface area
5.4418064210372E+15
Circumference
130751440.04786
Perimeter
83238952
Area
433045195628644
Diagonal
29429413.709031
Surface area
2598271173771864
Volume
9.0115570631908E+21
Space diagonal
36043523.508197
Perimeter
62429214
Area
1.875140702006E+14
Altitude
18021761.754098
Surface area
1.875140702006E+14
Volume
1.0620221847386E+21
Height
9809804.5696769