16391390 is an even 8-digits composite number following 16391389
and preceding 16391391 . In scientific notation, it is written as 1.6391390 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 6396480 positive integers (up to 16391390) that are relatively prime to 16391390.
16391390 has 16 divisors, whose sum is 30224880
The reverse of 16391390 is 09319361
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixteen million three hundred ninety-one thousand three hundred ninety
Scientific notation
1.6391390 × 10^7
Engineering notation
1.6391390 × 10^6
Prime Factorization
2 × 5 × 41 × 39979
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16391390
Product of the distinct prime numbers
The prime factorization of 16391390 is 2 × 5 × 41 × 39979.
Since it has a total of 4 prime factors.
9 , 8 , 84 , 23 , 281 , 36 , 7526 , 5449 , 81585 , 72753 , 741492 , 396859 , 3405683 , 6933336 , 10697777 , 18893775 , 323696042 , 734113317 , 2364878880 , 8070234532
n×2
32782780
n×3
49174170
n×4
65565560
n×5
81956950
n÷2
8195695
n÷3
5463796.6666667
n÷3
4097847.5
n÷5
3278278
n2
268677666132100
n3
4.404000409861E+21
n4
7.2187688278192E+28
n5
1.1832565517663E+36
2 √n
4048.6281627238
3 √n
254.02234907818
4 √n
63.628831222361
5 √n
27.728294417841
1 , 2 , 5 , 10 , 41 , 82 , 205 , 410 , 39979 , 79958 , 199895 , 399790 , 1639139 , 3278278 , 8195695 , 16391390
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
-16391389
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 16391390 can be divided by 16 positive divisors.
The sum of these divisors (counting 16391390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100001110011011110
3
Ternary
1010211202202112
4
Quaternary
332201303132
5
Quinary
13144011030
6
Senary
1343154022
8
Octal
76416336
10
Decimal
16391390
12
Duodecimal
55a5912
16
Hexadecimal
fa1cde
20
Vigesimal
528i9a
36
Base36
9rboe
md5
cade6d449dff6a3c37399e2fae3c112c
sha1
ab9daad2ad0824b84a64fb639d432cab51ae9ed2
sha256
d8f3fd6ad3ab967d3b9aae77714364f930b994952a102d90ccf9d51c6b74223f
sha512
74ac25cecbba07e949ddf5169732a7dedc2c1807e9ec2d34f56af0088ada46491cc412cbd38f0c8ef918fa26a43c4c1c9b06d6c91e9fd61f8881febbd4e6ef85
ripemd-160
9dc73a4a0a0f699e24b59428dba3bab8cd2e1ffa
Diameter
32782780
Circumference
102990140.81225
Area
8.4407578210426E+14
Volume
1.8447433778701E+22
Surface area
3.376303128417E+15
Circumference
102990140.81225
Perimeter
65565560
Area
268677666132100
Diagonal
23180926.044147
Surface area
1612065996792600
Volume
4.404000409861E+21
Space diagonal
28390720.286676
Perimeter
49174170
Area
1.1634084214996E+14
Altitude
14195360.143338
Surface area
1.1634084214996E+14
Volume
5.1901642569351E+20
Height
7726975.3480489