16390989 is an odd 8-digits composite number following 16390988
and preceding 16390990 . In scientific notation, it is written as 1.6390989 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 10631040 positive integers (up to 16390989) that are relatively prime to 16390989.
16390989 has 16 divisors, whose sum is 18714240
The reverse of 16390989 is 98909361
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixteen million three hundred ninety thousand nine hundred eighty-nine
Scientific notation
1.6390989 × 10^7
Engineering notation
1.6390989 × 10^6
Prime Factorization
9 × 113 × 227 × 71
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16390989
Product of the distinct prime numbers
The prime factorization of 16390989 is 9 × 113 × 227 × 71.
Since it has a total of 4 prime factors.
1 , 6 , 10 , 58 , 776 , 256 , 4427 , 7039 , 3273 , 7897 , 305848 , 257502 , 5538111 , 4838425 , 76948836 , 93037324 , 496617758 , 884357951 , 6223069594 , 5082834772
n×2
32781978
n×3
49172967
n×4
65563956
n×5
81954945
n÷2
8195494.5
n÷3
5463663
n÷3
4097747.25
n÷5
3278197.8
n2
268664520398121
n3
4.4036771985359E+21
n4
7.2180624520752E+28
n5
1.1831118225328E+36
2 √n
4048.5786394734
3 √n
254.02027758836
4 √n
63.628442063855
5 √n
27.728158747164
1 , 9 , 71 , 113 , 227 , 639 , 1017 , 2043 , 8023 , 16117 , 25651 , 72207 , 145053 , 230859 , 1821221 , 16390989
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
-16390988
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 16390989 can be divided by 16 positive divisors.
The sum of these divisors (counting 16390989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100001101101001101
3
Ternary
1010211202012200
4
Quaternary
332201231031
5
Quinary
13144002424
6
Senary
1343152113
8
Octal
76415515
10
Decimal
16390989
12
Duodecimal
55a5639
16
Hexadecimal
fa1b4d
20
Vigesimal
528h99
36
Base36
9rbd9
md5
cb01e96c39fc5f0c3fa254eee37ab055
sha1
a13b6a150b174d66f276aad0b87f4396b05b5c72
sha256
d641bd6c37329c52e9549e378308edd504c990dc1d498153d0c99f88eaf189d5
sha512
fe1f29870b492b1cad8bfcc5f2e6ea5d17ace3fd0ab39cc2dd451a1b455674e921452838c780298814e422512c4da5c6ffc3a6b4d2d6b2aa51a8a1e2586498ce
ripemd-160
5d15751a9924155fdf0ab625d57f45298cdcf472
Diameter
32781978
Circumference
102987621.25494
Area
8.4403448356296E+14
Volume
1.8446079914268E+22
Surface area
3.3761379342518E+15
Circumference
102987621.25494
Perimeter
65563956
Area
268664520398121
Diagonal
23180358.944508
Surface area
1611987122388726
Volume
4.4036771985359E+21
Space diagonal
28390025.734303
Perimeter
49172967
Area
1.1633514988017E+14
Altitude
14195012.867151
Surface area
1.1633514988017E+14
Volume
5.1897833487355E+20
Height
7726786.3148361