16809905 is an odd 8-digits composite number following 16809904
and preceding 16809906 . In scientific notation, it is written as 1.6809905 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 11154240 positive integers (up to 16809905) that are relatively prime to 16809905.
16809905 has 8 divisors, whose sum is 17849088
The reverse of 16809905 is 50990861
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixteen million eight hundred nine thousand nine hundred five
Scientific notation
1.6809905 × 10^7
Engineering notation
1.6809905 × 10^6
Prime Factorization
35 × 31 × 15493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16809905
Product of the distinct prime numbers
The prime factorization of 16809905 is 35 × 31 × 15493.
Since it has a total of 3 prime factors.
7 , 2 , 10 , 59 , 1 , 486 , 5875 , 7868 , 37356 , 47747 , 163459 , 991064 , 3738325 , 1679122 , 52773917 , 18347094 , 785757124 , 925977359 , 9324509236 , 5875916967
n×2
33619810
n×3
50429715
n×4
67239620
n×5
84049525
n÷2
8404952.5
n÷3
5603301.6666667
n÷3
4202476.25
n÷5
3361981
n2
282572906109025
n3
4.7500237072666E+21
n4
7.98474472669E+28
n5
1.3422280030491E+36
2 √n
4099.9884146178
3 √n
256.16615698425
4 √n
64.031151907628
5 √n
27.868465221861
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16809904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16809905 can be divided by 8 positive divisors.
The sum of these divisors (counting 16809905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000000111111110110001
3
Ternary
1011122000212002
4
Quaternary
1000013332301
5
Quinary
13300404110
6
Senary
1400143345
8
Octal
100077661
10
Decimal
16809905
12
Duodecimal
5767b55
16
Hexadecimal
1007fb1
20
Vigesimal
5514f5
36
Base36
a0alt
md5
042a7b2e9e112591a16145cf846c798d
sha1
2edf30d6ba8b1154cca0a4a74ba3d65929ceddc4
sha256
22023a4e8b93874dc3985ab3fcae98e42143ea6b0cc616d11d48e5b1aa412756
sha512
275082bf1d01f6576884e5e6c0ba02569fe9d803ee4c52c6173e747101f5497bc507c07c84fa2bd433c324e27eb788327f88c2446444d85d2c7a69d078833561
ripemd-160
049a21b9fb3584f8ddbf536645cd7b3876a8afea
Diameter
33619810
Circumference
105619748.11108
Area
8.8772896593563E+14
Volume
1.9896852777502E+22
Surface area
3.5509158637425E+15
Circumference
105619748.11108
Perimeter
67239620
Area
282572906109025
Diagonal
23772795.633203
Surface area
1695437436654150
Volume
4.7500237072666E+21
Space diagonal
29115609.530406
Perimeter
50429715
Area
1.2235765755581E+14
Altitude
14557804.765203
Surface area
1.2235765755581E+14
Volume
5.5979566236752E+20
Height
7924265.2110678