16491389 is an odd 8-digits composite number following 16491388
and preceding 16491390 . In scientific notation, it is written as 1.6491389 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 16012800 positive integers (up to 16491389) that are relatively prime to 16491389.
16491389 has 4 divisors, whose sum is 16893660
The reverse of 16491389 is 98319461
Previous prime number is 402229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixteen million four hundred ninety-one thousand three hundred eighty-nine
Scientific notation
1.6491389 × 10^7
Engineering notation
1.6491389 × 10^6
Prime Factorization
402229 × 41
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16491389
Product of the distinct prime numbers
The prime factorization of 16491389 is 402229 × 41.
Since it has a total of 2 prime factors.
4 , 2 , 18 , 99 , 864 , 717 , 4044 , 4313 , 16977 , 47132 , 795559 , 154787 , 3779163 , 7653612 , 72082374 , 4321406 , 296454147 , 504275070 , 7599996798 , 3056634014
n×2
32982778
n×3
49474167
n×4
65965556
n×5
82456945
n÷2
8245694.5
n÷3
5497129.6666667
n÷3
4122847.25
n÷5
3298277.8
n2
271965911149321
n3
4.4850956355029E+21
n4
7.396545682728E+28
n5
1.2197931211014E+36
2 √n
4060.9591231629
3 √n
254.53787376542
4 √n
63.725655141104
5 √n
27.762044575215
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
-16491388
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 16491389 can be divided by 4 positive divisors.
The sum of these divisors (counting 16491389) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110111010001101111101
3
Ternary
1011000211221012
4
Quaternary
332322031331
5
Quinary
13210211024
6
Senary
1345245005
8
Octal
76721575
10
Decimal
16491389
12
Duodecimal
5633765
16
Hexadecimal
fba37d
20
Vigesimal
531899
36
Base36
9tgu5
md5
7ffa71c8074be6fe4cd40314bb51594c
sha1
2d070965f206e2152a986a07fc47d4a0993b3dc6
sha256
2f4911ef8f69a3f01fe9c9413265052b99956ec8266c3b720f3683941940f6c5
sha512
898ca6455bc7eaff2c64b34083cccbc2185820fd5294401003a3fdfab3314295e63fdebf406c02116a1e634e3c3a04275302bd1ed4195d475e3bc7bd661b92a2
ripemd-160
8d38a087dfd88df6d783f6cd166bfd42b6d95d69
Diameter
32982778
Circumference
103618453.05978
Area
8.5440610849356E+14
Volume
1.8787124665525E+22
Surface area
3.4176244339742E+15
Circumference
103618453.05978
Perimeter
65965556
Area
271965911149321
Diagonal
23322345.98617
Surface area
1631795466895926
Volume
4.4850956355029E+21
Space diagonal
28563923.635382
Perimeter
49474167
Area
1.1776469400935E+14
Altitude
14281961.817691
Surface area
1.1776469400935E+14
Volume
5.2857358968905E+20
Height
7774115.3287235