166687121 is an odd 9-digits composite number following 166687120
and preceding 166687122 . In scientific notation, it is written as 1.66687121 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 164814144 positive integers (up to 166687121) that are relatively prime to 166687121.
166687121 has 4 divisors, whose sum is 168560100
The reverse of 166687121 is 121786661
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-six million six hundred eighty-seven thousand one hundred twenty-one
Scientific notation
1.66687121 × 10^8
Engineering notation
1.66687121 × 10^6
Prime Factorization
89 × 1872889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
166687121
Product of the distinct prime numbers
The prime factorization of 166687121 is 89 × 1872889.
Since it has a total of 2 prime factors.
9 , 3 , 61 , 73 , 690 , 19 , 3261 , 915 , 69146 , 98953 , 96377 , 809471 , 487457 , 6172293 , 37441807 , 98089716 , 674169566 , 865323219 , 6277028835 , 569846763
n×2
333374242
n×3
500061363
n×4
666748484
n×5
833435605
n÷2
83343560.5
n÷3
55562373.666667
n÷3
41671780.25
n÷5
33337424.2
n2
27784596307268641
n3
4.6313343666058E+24
n4
7.7198379195789E+32
n5
1.2867975574012E+41
2 √n
12910.736655977
3 √n
550.34372013506
4 √n
113.62542257777
5 √n
44.094092529717
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
-166687120
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 166687121 can be divided by 4 positive divisors.
The sum of these divisors (counting 166687121) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011110111000110010001
3
Ternary
102121122120202002
4
Quaternary
21323313012101
5
Quinary
320132441441
6
Senary
24312403345
8
Octal
1173670621
10
Decimal
166687121
12
Duodecimal
479a6555
16
Hexadecimal
9ef7191
20
Vigesimal
2c1fhg1
36
Base36
2r8olt
md5
ae785ba954674dd81fead721f9485162
sha1
3a6eadf53df18e2b30679f25354411fb9503192a
sha256
ad23f627b767e82f87090f6955d61fdd583c20a1a1caee384870398b2d0f0e2a
sha512
000b6b36ddaa2f9d238112cdf59f02fa7e5e93108df7863727d79ebee8705d8b6156d07d590eb83965dc0691aba6d9efeea6fa592075a1edc7400a8a96a6c70c
ripemd-160
ae9654414d6600c7fa43b8fa72d4688e16e17a0a
Diameter
333374242
Circumference
1047326069.5633
Area
8.7287883641873E+16
Volume
1.9399688029929E+25
Surface area
3.4915153456749E+17
Circumference
1047326069.5633
Perimeter
666748484
Area
27784596307268641
Diagonal
235731187.19113
Surface area
166707577843611846
Volume
4.6313343666058E+24
Space diagonal
288710562.53938
Perimeter
500061363
Area
1.2031083117995E+16
Altitude
144355281.26969
Surface area
1.2031083117995E+16
Volume
5.4580798942822E+23
Height
78577062.397042