166189391 is an odd 9-digits composite number following 166189390
and preceding 166189392 . In scientific notation, it is written as 1.66189391 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 163912752 positive integers (up to 166189391) that are relatively prime to 166189391.
166189391 has 4 divisors, whose sum is 168466032
The reverse of 166189391 is 193981661
Previous prime number is 73
Is Prime? no Number parity odd Number length 9 Sum of Digits 44 Digital Root 8
Name
one hundred sixty-six million one hundred eighty-nine thousand three hundred ninety-one
Scientific notation
1.66189391 × 10^8
Engineering notation
1.66189391 × 10^6
Prime Factorization
73 × 2276567
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
166189391 Product of the distinct prime numbers
The prime factorization of 166189391 is 73 × 2276567.
Since it has a total of 2 prime factors.
1 , 2 , 52 , 26 , 768 , 233 , 7401 , 4039 , 23580 , 56190 , 656476 , 80472 , 6453616 , 5681590 , 7550485 , 79816772 , 189694441 , 782485425 , 6836262592 , 4240843244
n×2
332378782
n×3
498568173
n×4
664757564
n×5
830946955
n÷2
83094695.5
n÷3
55396463.666667
n÷3
41547347.75
n÷5
33237878.2
n2
27618913680950881
n3
4.5899704447188E+24
n4
7.6280439291582E+32
n5
1.267699975108E+41
2 √n12891.446427768
3 √n549.79539607162
4 √n113.54050566986
5 √n44.067727909386
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
-166189390 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 166189391 can be divided by 4 positive divisors.
The sum of these divisors (counting 166189391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111001111101100101001111
3
Ternary
102120201021222122
4
Quaternary
21321331211033
5
Quinary
320021030031
6
Senary
24254003155
8
Octal
1171754517
10
Decimal
166189391
12
Duodecimal
477a64bb
16
Hexadecimal
9e7d94f
20
Vigesimal
2bidd9b
36
Base36
2qy0jz
md5
170304707e83c40789faf6cbf522421d
sha1
0e69154e4cda01f8f95c8a6671e6dfa7ac858bca
sha256
08cb73f268d9505e65c155572b282f55efe64baa8130fac1c6ff805c3b400d0f
sha512
4bdb4a4ff9226382e97df23cf3fa95f9dd522a77f4fadbade675fc21ea587d2c5f18966cf1ebcde4d8fc6bf90a8edbfd6b5d093759f2ad220c6bd20f5de61554
ripemd-160
d72b23a5a4f8528f8b7623236ce8c2715f8e8c6b
Diameter
332378782
Circumference
1044198739.7403
Area
8.6767376320206E+16
Volume
1.9226423239097E+25
Surface area
3.4706950528082E+17
Circumference
1044198739.7403
Perimeter
664757564
Area
27618913680950881
Diagonal
235027290.67473
Surface area
165713482085705286
Volume
4.5899704447188E+24
Space diagonal
287848468.89093
Perimeter
498568173
Area
1.1959340436317E+16
Altitude
143924234.44546
Surface area
1.1959340436317E+16
Volume
5.4093320448442E+23
Height
78342430.224908