20809769 is an odd 8-digits composite number following 20809768
and preceding 20809770 . In scientific notation, it is written as 2.0809769 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 19714500 positive integers (up to 20809769) that are relatively prime to 20809769.
20809769 has 4 divisors, whose sum is 21905040
The reverse of 20809769 is 96790802
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million eight hundred nine thousand seven hundred sixty-nine
Scientific notation
2.0809769 × 10^7
Engineering notation
2.0809769 × 10^6
Prime Factorization
19 × 1095251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20809769
Product of the distinct prime numbers
The prime factorization of 20809769 is 19 × 1095251.
Since it has a total of 2 prime factors.
10 , 5 , 1 , 69 , 157 , 599 , 4005 , 9744 , 12159 , 15759 , 130512 , 828460 , 4366865 , 3369950 , 56718346 , 54666202 , 673994789 , 911567615 , 6083921501 , 6056254199
n×2
41619538
n×3
62429307
n×4
83239076
n×5
104048845
n÷2
10404884.5
n÷3
6936589.6666667
n÷3
5202442.25
n÷5
4161953.8
n2
433046485833361
n3
9.011597336454E+21
n4
1.8752925889262E+29
n5
3.9024405582967E+36
2 √n
4561.7725721478
3 √n
275.05682131645
4 √n
67.540895553345
5 √n
29.083954186551
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
-20809768
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 20809769 can be divided by 4 positive divisors.
The sum of these divisors (counting 20809769) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000100000101001
3
Ternary
1110011020122012
4
Quaternary
1033120200221
5
Quinary
20311403034
6
Senary
2022005305
8
Octal
117304051
10
Decimal
20809769
12
Duodecimal
6b76835
16
Hexadecimal
13d8829
20
Vigesimal
6a1489
36
Base36
ce0x5
md5
a524836cd902fc038a223f75335036e8
sha1
33f97b170b479d4f524ed00682761535b757186b
sha256
0fed1d32d7d1a45d23cc659a4d74797b03a7a303505c17a5f8d4df7dbfcb4f26
sha512
c97bd43599679bf871eb0d5398dc39a6e0a5c00b5c8a02f10641c5f0ee401ee50e120808c05858fdab7e7ee63589a0f82d42c406c072f674b8fd3d5215a5800f
ripemd-160
a46cc1295108b65d63b3f2d54d1119a5e98bcd1d
Diameter
41619538
Circumference
130751634.8266
Area
1.360455658557E+15
Volume
3.7747690652418E+22
Surface area
5.4418226342279E+15
Circumference
130751634.8266
Perimeter
83239076
Area
433046485833361
Diagonal
29429457.549651
Surface area
2598278915000166
Volume
9.011597336454E+21
Space diagonal
36043577.201772
Perimeter
62429307
Area
1.8751462887563E+14
Altitude
18021788.600886
Surface area
1.8751462887563E+14
Volume
1.0620269309882E+21
Height
9809819.1832171