16386721 is an odd 8-digits composite number following 16386720
and preceding 16386722 . In scientific notation, it is written as 1.6386721 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 14329872 positive integers (up to 16386721) that are relatively prime to 16386721.
16386721 has 8 divisors, whose sum is 18576320
The reverse of 16386721 is 12768361
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixteen million three hundred eighty-six thousand seven hundred twenty-one
Scientific notation
1.6386721 × 10^7
Engineering notation
1.6386721 × 10^6
Prime Factorization
13 × 19 × 66343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16386721
Product of the distinct prime numbers
The prime factorization of 16386721 is 13 × 19 × 66343.
Since it has a total of 3 prime factors.
5 , 10 , 12 , 25 , 538 , 957 , 7882 , 507 , 49355 , 90330 , 84136 , 183960 , 9096629 , 3038223 , 92005507 , 22633665 , 773523798 , 36240548 , 8565537260 , 317182543
n×2
32773442
n×3
49160163
n×4
65546884
n×5
81933605
n÷2
8193360.5
n÷3
5462240.3333333
n÷3
4096680.25
n÷5
3277344.2
n2
268524625131841
n3
4.4002381136651E+21
n4
7.2105474302196E+28
n5
1.1815722899628E+36
2 √n
4048.0515065893
3 √n
253.99822781742
4 √n
63.624299655001
5 √n
27.726714586479
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16386720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16386721 can be divided by 8 positive divisors.
The sum of these divisors (counting 16386721) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110100000101010100001
3
Ternary
1010211112100121
4
Quaternary
332200222201
5
Quinary
13143333341
6
Senary
1343120241
8
Octal
76405241
10
Decimal
16386721
12
Duodecimal
55a3081
16
Hexadecimal
fa0aa1
20
Vigesimal
5286g1
36
Base36
9r82p
md5
2945efc77861312b7eeaccc9b8700736
sha1
77004877b39c671e2469c544329f9cd69e5e89ef
sha256
52f9aaa73378de343ab833e2e906086a16efcffae60ae6845e937a9e10c7d8d6
sha512
b2ff95b850f5c1e6424c1fdf5aa17c1981d3ed805535d4273b084bb3c154c29553573984bfa75f554989ffa3f1eb6d1ee11b127935b90bc977069f0eb94bc48d
ripemd-160
807d8a746eeeb013961f4f876ed0069c516d4bcd
Diameter
32773442
Circumference
102960804.62005
Area
8.4359498962214E+14
Volume
1.8431674309248E+22
Surface area
3.3743799584886E+15
Circumference
102960804.62005
Perimeter
65546884
Area
268524625131841
Diagonal
23174323.081024
Surface area
1611147750791046
Volume
4.4002381136651E+21
Space diagonal
28382633.341456
Perimeter
49160163
Area
1.1627457345293E+14
Altitude
14191316.670728
Surface area
1.1627457345293E+14
Volume
5.1857303483468E+20
Height
7724774.3603413