16805989 is an odd 8-digits composite number following 16805988
and preceding 16805990 . In scientific notation, it is written as 1.6805989 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 16786156 positive integers (up to 16805989) that are relatively prime to 16805989.
16805989 has 4 divisors, whose sum is 16825824
The reverse of 16805989 is 98950861
Previous prime number is 887
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixteen million eight hundred five thousand nine hundred eighty-nine
Scientific notation
1.6805989 × 10^7
Engineering notation
1.6805989 × 10^6
Prime Factorization
887 × 18947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16805989
Product of the distinct prime numbers
The prime factorization of 16805989 is 887 × 18947.
Since it has a total of 2 prime factors.
2 , 7 , 86 , 94 , 681 , 47 , 2683 , 5778 , 61764 , 55118 , 46456 , 296370 , 1278652 , 3129697 , 41242356 , 65309852 , 150589983 , 514668862 , 5430392222 , 4896563460
n×2
33611978
n×3
50417967
n×4
67223956
n×5
84029945
n÷2
8402994.5
n÷3
5601996.3333333
n÷3
4201497.25
n÷5
3361197.8
n2
282441266268121
n3
4.7467048140481E+21
n4
7.977306889114E+28
n5
1.3406653182807E+36
2 √n
4099.5108244765
3 √n
256.14626346357
4 √n
64.027422441299
5 √n
27.86716666508
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
-16805988
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 16805989 can be divided by 4 positive divisors.
The sum of these divisors (counting 16805989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000000000111000001100101
3
Ternary
1011121211111001
4
Quaternary
1000013001211
5
Quinary
13300242424
6
Senary
1400113301
8
Octal
100070145
10
Decimal
16805989
12
Duodecimal
5765831
16
Hexadecimal
1007065
20
Vigesimal
550ej9
36
Base36
a07l1
md5
5100e5e76d64257d29cbb4bac594340f
sha1
47f8bf04cb975b54a70ffacb8fc53079fcea7e3d
sha256
ca45e027088260eec5dc416a9546f96e4e70781eac602fbd80bb402aa9cb13d0
sha512
2c2bc200b82e254c0993786e87fe3659094a0628fee7e8ab4483c5cca3b4381484033590e3d51633d1834c931424248168062e0397b1b448c0eb548757951c5c
ripemd-160
b5335f3eda2b7801818342b7d68d4052e2980e92
Diameter
33611978
Circumference
105595143.15742
Area
8.8731540717853E+14
Volume
1.9882950630097E+22
Surface area
3.5492616287141E+15
Circumference
105595143.15742
Perimeter
67223956
Area
282441266268121
Diagonal
23767257.572893
Surface area
1694647597608726
Volume
4.7467048140481E+21
Space diagonal
29108826.819444
Perimeter
50417967
Area
1.2230065583262E+14
Altitude
14554413.409722
Surface area
1.2230065583262E+14
Volume
5.5940452705071E+20
Height
7922419.1909644