16389905 is an odd 8-digits composite number following 16389904
and preceding 16389906 . In scientific notation, it is written as 1.6389905 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 11046912 positive integers (up to 16389905) that are relatively prime to 16389905.
16389905 has 16 divisors, whose sum is 22861440
The reverse of 16389905 is 50998361
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixteen million three hundred eighty-nine thousand nine hundred five
Scientific notation
1.6389905 × 10^7
Engineering notation
1.6389905 × 10^6
Prime Factorization
5 × 7 × 59 × 7937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16389905
Product of the distinct prime numbers
The prime factorization of 16389905 is 5 × 7 × 59 × 7937.
Since it has a total of 4 prime factors.
9 , 6 , 94 , 15 , 266 , 831 , 4607 , 7455 , 43473 , 57913 , 716450 , 700670 , 8014035 , 427856 , 24551937 , 60564693 , 766945869 , 447701680 , 4303695275 , 1594015355
n×2
32779810
n×3
49169715
n×4
65559620
n×5
81949525
n÷2
8194952.5
n÷3
5463301.6666667
n÷3
4097476.25
n÷5
3277981
n2
268628985909025
n3
4.4028035592953E+21
n4
7.2161532070511E+28
n5
1.1827206552901E+36
2 √n
4048.4447631158
3 √n
254.01467768117
4 √n
63.627390038535
5 √n
27.727791983216
1 , 5 , 7 , 35 , 59 , 295 , 413 , 2065 , 7937 , 39685 , 55559 , 277795 , 468283 , 2341415 , 3277981 , 16389905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16389904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16389905 can be divided by 16 positive divisors.
The sum of these divisors (counting 16389905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100001011100010001
3
Ternary
1010211200201112
4
Quaternary
332201130101
5
Quinary
13143434110
6
Senary
1343143105
8
Octal
76413421
10
Decimal
16389905
12
Duodecimal
55a4a95
16
Hexadecimal
fa1711
20
Vigesimal
528ef5
36
Base36
9raj5
md5
3cf62cd4593d27e3caf1ca33561392ff
sha1
618d9857d30266045453a0c9a8baa2d0f531f9b0
sha256
18817e09248ade9191f33cb8e0d8ef15cfd257e4b6c0d4407b5b96cdac347c62
sha512
4e02f77762b9550dbe3ec548f42175a3dda6074b0f1eeae0965674f268b314802a999c874adf3629ae4600bda7f1b0da9b41b40412f22efb2b1cbd4a4d14537c
ripemd-160
e643ea5ceefacddb9f02175ebf868a8e8b03e848
Diameter
32779810
Circumference
102980810.28207
Area
8.4392284867307E+14
Volume
1.8442420422775E+22
Surface area
3.3756913946923E+15
Circumference
102980810.28207
Perimeter
65559620
Area
268628985909025
Diagonal
23178825.937007
Surface area
1611773915454150
Volume
4.4028035592953E+21
Space diagonal
28388148.191227
Perimeter
49169715
Area
1.1631976299503E+14
Altitude
14194074.095614
Surface area
1.1631976299503E+14
Volume
5.1887537550166E+20
Height
7726275.3123355