16668538 is an even 8-digits composite number following 16668537
and preceding 16668539 . In scientific notation, it is written as 1.6668538 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 8334268 positive integers (up to 16668538) that are relatively prime to 16668538.
16668538 has 4 divisors, whose sum is 25002810
The reverse of 16668538 is 83586661
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixteen million six hundred sixty-eight thousand five hundred thirty-eight
Scientific notation
1.6668538 × 10^7
Engineering notation
1.6668538 × 10^6
Prime Factorization
2 × 8334269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16668538
Product of the distinct prime numbers
The prime factorization of 16668538 is 2 × 8334269.
Since it has a total of 2 prime factors.
6 , 9 , 88 , 84 , 676 , 53 , 1694 , 4851 , 97311 , 86132 , 376344 , 626351 , 6688223 , 1128575 , 20771128 , 47448319 , 144101741 , 249875505 , 1494465112 , 2329090394
n×2
33337076
n×3
50005614
n×4
66674152
n×5
83342690
n÷2
8334269
n÷3
5556179.3333333
n÷3
4167134.5
n÷5
3333707.6
n2
277840159057444
n3
4.631189249175E+21
n4
7.7195153985066E+28
n5
1.2867303576159E+36
2 √n
4082.7120887959
3 √n
255.44603724263
4 √n
63.89610386241
5 √n
27.821433412044
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
-16668537
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 16668538 can be divided by 4 positive divisors.
The sum of these divisors (counting 16668538) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111100101011101111010
3
Ternary
1011100211221021
4
Quaternary
333211131322
5
Quinary
13231343123
6
Senary
1353133054
8
Octal
77453572
10
Decimal
16668538
12
Duodecimal
56ba18a
16
Hexadecimal
fe577a
20
Vigesimal
543b6i
36
Base36
9x9iy
md5
183bd662831f719ac11fe3c863967d02
sha1
feb0dc3779a39504af9fa2ce746f345057073066
sha256
e03252de6913e0e2a4a2c7327626495401e5c92b4211b9cd4620421661ed8f0b
sha512
1cbb13897811c27c2907819795a4d2a5b1d9011d77c2e04b7ffac9398efd1d24fae439e59bc8234b09f3b692597ff30aa72f00b1a9c94e748df8cdfa50a762c6
ripemd-160
b08cf679239be252a20467a0c6988d1ad8af6eb0
Diameter
33337076
Circumference
104731513.05376
Area
8.7286060256709E+14
Volume
1.9399080163456E+22
Surface area
3.4914424102683E+15
Circumference
104731513.05376
Perimeter
66674152
Area
277840159057444
Diagonal
23572872.504531
Surface area
1667040954344664
Volume
4.631189249175E+21
Space diagonal
28870754.703893
Perimeter
50005614
Area
1.2030831796763E+14
Altitude
14435377.351946
Surface area
1.2030831796763E+14
Volume
5.4579088717499E+20
Height
7857624.1681771