20809623 is an odd 8-digits composite number following 20809622
and preceding 20809624 . In scientific notation, it is written as 2.0809623 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13873080 positive integers (up to 20809623) that are relatively prime to 20809623.
20809623 has 4 divisors, whose sum is 27746168
The reverse of 20809623 is 32690802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred nine thousand six hundred twenty-three
Scientific notation
2.0809623 × 10^7
Engineering notation
2.0809623 × 10^6
Prime Factorization
3 × 6936541
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20809623
Product of the distinct prime numbers
The prime factorization of 20809623 is 3 × 6936541.
Since it has a total of 2 prime factors.
5 , 2 , 47 , 100 , 724 , 993 , 6777 , 4719 , 47477 , 84780 , 454599 , 324042 , 2716445 , 7826273 , 75485223 , 85164385 , 858695309 , 154630238 , 7629731198 , 5982532018
n×2
41619246
n×3
62428869
n×4
83238492
n×5
104048115
n÷2
10404811.5
n÷3
6936541
n÷3
5202405.75
n÷5
4161924.6
n2
433040409402129
n3
9.011407663424E+21
n4
1.8752399617516E+29
n5
3.9023036638586E+36
2 √n
4561.7565695683
3 √n
275.05617805463
4 √n
67.540777087389
5 √n
29.083913376206
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
-20809622
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 20809623 can be divided by 4 positive divisors.
The sum of these divisors (counting 20809623) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000011110010111
3
Ternary
1110011020102210
4
Quaternary
1033120132113
5
Quinary
20311401443
6
Senary
2022004503
8
Octal
117303627
10
Decimal
20809623
12
Duodecimal
6b76733
16
Hexadecimal
13d8797
20
Vigesimal
6a1413
36
Base36
ce0t3
md5
68d9604235a69fd9d18f5a8ecb685dc1
sha1
a32fb6223807c3383b9fa518778dd7f321e5eba8
sha256
5245f6d82261a1fdadc9799c8d46ba8f492a41a7d57da9893963b2bdd9b0ae09
sha512
45966555a19797f06187b646615f77a2198f99d18030d150f99eb96d351fed0c7d35bcfa640844dd4ddc3c3c0ce51d283f6f25ee0756aae49677b143c720fa33
ripemd-160
800177fba2ed1d7c4757f920e629918466725d27
Diameter
41619246
Circumference
130750717.48155
Area
1.3604365688852E+15
Volume
3.7746896151887E+22
Surface area
5.441746275541E+15
Circumference
130750717.48155
Perimeter
83238492
Area
433040409402129
Diagonal
29429251.074471
Surface area
2598242456412774
Volume
9.011407663424E+21
Space diagonal
36043324.322354
Perimeter
62428869
Area
1.8751199770373E+14
Altitude
18021662.161177
Surface area
1.8751199770373E+14
Volume
1.0620045778073E+21
Height
9809750.358157