16391668 is an even 8-digits composite number following 16391667
and preceding 16391669 . In scientific notation, it is written as 1.6391668 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 8195832 positive integers (up to 16391668) that are relatively prime to 16391668.
16391668 has 6 divisors, whose sum is 28685426
The reverse of 16391668 is 86619361
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixteen million three hundred ninety-one thousand six hundred sixty-eight
Scientific notation
1.6391668 × 10^7
Engineering notation
1.6391668 × 10^6
Prime Factorization
2 × 2 × 4097917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
8195834
Product of the distinct prime numbers
The prime factorization of 16391668 is 2 × 2 × 4097917.
Since it has a total of 3 prime factors.
1 , 8 , 5 , 82 , 322 , 841 , 238 , 7326 , 1978 , 31909 , 799581 , 610304 , 6656155 , 8666411 , 77087141 , 90557438 , 40003481 , 700712593 , 8361030088 , 7164469260
n×2
32783336
n×3
49175004
n×4
65566672
n×5
81958340
n÷2
8195834
n÷3
5463889.3333333
n÷3
4097917
n÷5
3278333.6
n2
268686779822224
n3
4.404224490835E+21
n4
7.2192585651236E+28
n5
1.1833568960566E+36
2 √n
4048.6624951952
3 √n
254.02378515354
4 √n
63.629101008856
5 √n
27.728388472263
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16391667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16391668 can be divided by 6 positive divisors.
The sum of these divisors (counting 16391668) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111110100001110111110100
3
Ternary
1010211210010211
4
Quaternary
332201313310
5
Quinary
13144013133
6
Senary
1343155204
8
Octal
76416764
10
Decimal
16391668
12
Duodecimal
55a5b04
16
Hexadecimal
fa1df4
20
Vigesimal
528j38
36
Base36
9rbw4
md5
21c28c4fd266b51df01fa96c02a40e8a
sha1
6955898a2e9a31e26785730fd7b3e9f19b31a78b
sha256
d1586e480f3e40c323e33c28032d1df3d42760c8c59780a25d40394d3809aaa1
sha512
28be5a176ee6cd6ae23111b7d4037fd0198f491924b88561c89513d384cc80cc910a0db228b950ec50a8c2d3f1890c10a5f05846da382524105f09648b430920
ripemd-160
266a424edfae89eae4f1d6d22ae429b881ee4b55
Diameter
32783336
Circumference
102991887.53777
Area
8.441044136062E+14
Volume
1.844837240689E+22
Surface area
3.3764176544248E+15
Circumference
102991887.53777
Perimeter
65566672
Area
268686779822224
Diagonal
23181319.195517
Surface area
1612120678933344
Volume
4.404224490835E+21
Space diagonal
28391201.796801
Perimeter
49175004
Area
1.1634478849354E+14
Altitude
14195600.8984
Surface area
1.1634478849354E+14
Volume
5.1904283388955E+20
Height
7727106.3985057