166561331 is an odd 9-digits composite number following 166561330
and preceding 166561332 . In scientific notation, it is written as 1.66561331 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 159319512 positive integers (up to 166561331) that are relatively prime to 166561331.
166561331 has 4 divisors, whose sum is 173803152
The reverse of 166561331 is 133165661
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred sixty-six million five hundred sixty-one thousand three hundred thirty-one
Scientific notation
1.66561331 × 10^8
Engineering notation
1.66561331 × 10^6
Prime Factorization
23 × 7241797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
166561331
Product of the distinct prime numbers
The prime factorization of 166561331 is 23 × 7241797.
Since it has a total of 2 prime factors.
4 , 6 , 91 , 5 , 242 , 346 , 6580 , 5564 , 95987 , 69277 , 477656 , 856356 , 4133208 , 456704 , 59618349 , 86029741 , 483574529 , 540758271 , 2237247624 , 8991288197
n×2
333122662
n×3
499683993
n×4
666245324
n×5
832806655
n÷2
83280665.5
n÷3
55520443.666667
n÷3
41640332.75
n÷5
33312266.2
n2
27742676984491561
n3
4.62085720404E+24
n4
7.6965612626584E+32
n5
1.2819494880314E+41
2 √n
12905.86420973
3 √n
550.20524681326
4 √n
113.60397972664
5 √n
44.087435421581
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
-166561330
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 166561331 can be divided by 4 positive divisors.
The sum of these divisors (counting 166561331) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011011000011000110011
3
Ternary
102121102012012012
4
Quaternary
21323120120303
5
Quinary
320114430311
6
Senary
24305553135
8
Octal
1173303063
10
Decimal
166561331
12
Duodecimal
479457ab
16
Hexadecimal
9ed8633
20
Vigesimal
2c1036b
36
Base36
2r5zjn
md5
ca16b672bbb287d89a162224a9bb8ece
sha1
34018cc625a796814c9cffa177c5123fb565cf0e
sha256
74f5d5e1bd72b646f127fedb4e1b2f79369598910fc015c9eb03add81e81a70d
sha512
8a4f4d8106f16fa885b8acf9eb7df2de55f06d097f233c9323cf4baba79e2662654b61608a67db3b06f17bae7da93417cb92bb316d7bacf188cb34e106f6df68
ripemd-160
c49174e882e59c459345048d8659cdc36888f513
Diameter
333122662
Circumference
1046535707.6835
Area
8.7156190205393E+16
Volume
1.9355801393999E+25
Surface area
3.4862476082157E+17
Circumference
1046535707.6835
Perimeter
666245324
Area
27742676984491561
Diagonal
235553293.26711
Surface area
166456061906949366
Volume
4.62085720404E+24
Space diagonal
288492687.8683
Perimeter
499683993
Area
1.2012931518778E+16
Altitude
144246343.93415
Surface area
1.2012931518778E+16
Volume
5.4457324397856E+23
Height
78517764.422371