166386985 is an odd 9-digits composite number following 166386984
and preceding 166386986 . In scientific notation, it is written as 1.66386985 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 133109584 positive integers (up to 166386985) that are relatively prime to 166386985.
166386985 has 4 divisors, whose sum is 199664388
The reverse of 166386985 is 589683661
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred sixty-six million three hundred eighty-six thousand nine hundred eighty-five
Scientific notation
1.66386985 × 10^8
Engineering notation
1.66386985 × 10^6
Prime Factorization
5 × 33277397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
166386985
Product of the distinct prime numbers
The prime factorization of 166386985 is 5 × 33277397.
Since it has a total of 2 prime factors.
9 , 1 , 12 , 53 , 326 , 706 , 2967 , 9637 , 82972 , 18245 , 936023 , 355 , 56016 , 2045430 , 54125819 , 71810504 , 34610674 , 980989180 , 5260101166 , 1412293562
n×2
332773970
n×3
499160955
n×4
665547940
n×5
831934925
n÷2
83193492.5
n÷3
55462328.333333
n÷3
41596746.25
n÷5
33277397
n2
27684628777390225
n3
4.6063619131142E+24
n4
7.664386705419E+32
n5
1.2752541957888E+41
2 √n
12899.107914891
3 √n
550.01320629447
4 √n
113.57423966239
5 √n
44.078201959914
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
-166386984
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 166386985 can be divided by 4 positive divisors.
The sum of these divisors (counting 166386985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101101110100101001
3
Ternary
102121002100000221
4
Quaternary
21322231310221
5
Quinary
320043340420
6
Senary
24302130041
8
Octal
1172556451
10
Decimal
166386985
12
Duodecimal
47880921
16
Hexadecimal
9eadd29
20
Vigesimal
2bji795
36
Base36
2r290p
md5
e28bbc4d3e8b655410b4468f6706bc5b
sha1
80d85e6c2cd66cd864f9d1c1243689c059101bb3
sha256
f5008122f390473366ab1406c77cdea039d5929256c6d9e896c83482d3740c32
sha512
43bea3eb3cceff66aeb070d6f45e8c671d929f2164abebf153bfa8483097fbd9cc8cc603bc9c84a3d3eb0f9e066749c0348df584fe213f452702468b5b1a33e1
ripemd-160
8c1d2cde70861e93d3301188d20b58a137bedd8c
Diameter
332773970
Circumference
1045440259.4579
Area
8.697382638441E+16
Volume
1.9295083661354E+25
Surface area
3.4789530553764E+17
Circumference
1045440259.4579
Perimeter
665547940
Area
27684628777390225
Diagonal
235306730.78937
Surface area
166107772664341350
Volume
4.6063619131142E+24
Space diagonal
288190711.7382
Perimeter
499160955
Area
1.1987795907781E+16
Altitude
144095355.8691
Surface area
1.1987795907781E+16
Volume
5.4286495756041E+23
Height
78435576.92979