181550145 is an odd 9-digits composite number following 181550144
and preceding 181550146 . In scientific notation, it is written as 1.81550145 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 82994016 positive integers (up to 181550145) that are relatively prime to 181550145.
181550145 has 12 divisors, whose sum is 225271296
The reverse of 181550145 is 541055181
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred eighty-one million five hundred fifty thousand one hundred forty-five
Scientific notation
1.81550145 × 10^8
Engineering notation
1.81550145 × 10^6
Prime Factorization
15 × 7 × 7 × 247007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
25935735
Product of the distinct prime numbers
The prime factorization of 181550145 is 15 × 7 × 7 × 247007.
Since it has a total of 4 prime factors.
3 , 3 , 14 , 78 , 400 , 455 , 4636 , 2997 , 89585 , 77842 , 244777 , 953512 , 5070708 , 7308651 , 58212795 , 22059101 , 502721165 , 784568223 , 6196010444 , 7437747861
n×2
363100290
n×3
544650435
n×4
726200580
n×5
907750725
n÷2
90775072.5
n÷3
60516715
n÷3
45387536.25
n÷5
36310029
n2
32960455149521025
n3
5.9839754116615E+24
n4
1.0863916036636E+33
n5
1.9723455317191E+41
2 √n
13474.054512284
3 √n
566.23781143206
4 √n
116.07779508711
5 √n
44.853808034099
1 , 7 , 15 , 49 , 105 , 735 , 247007 , 1729049 , 3705105 , 12103343 , 25935735 , 181550145
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-181550144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 181550145 can be divided by 12 positive divisors.
The sum of these divisors (counting 181550145) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010110100100011110001000001
3
Ternary
110122121200222110
4
Quaternary
22310203301001
5
Quinary
332434101040
6
Senary
30003125533
8
Octal
1264436101
10
Decimal
181550145
12
Duodecimal
509738a9
16
Hexadecimal
ad23c41
20
Vigesimal
2gedf75
36
Base36
3038zl
md5
2dcc90add01988cc1c719e5c7d2225ff
sha1
c1d3b289a656c57f3449d33590238a37e972a4a7
sha256
5844f7abb177a3f390dad408ed4ede49055a114be13b05c1878da301c6b13ebf
sha512
e7f5d1834393b55940c4086d75131f156952416c97cba24f158a5c75e1a2f8f0bbd52f6bff0aa0434e505b3b0e52519125353ff9b9b72a9700bfae9643ed7705
ripemd-160
98d5959f161cd90aee3cfaeb3fe1fe7f9198ee59
Diameter
363100290
Circumference
1140713203.5803
Area
1.0354832375671E+17
Volume
2.506561759005E+25
Surface area
4.1419329502684E+17
Circumference
1140713203.5803
Perimeter
726200580
Area
32960455149521025
Diagonal
256750677.3098
Surface area
197762730897126150
Volume
5.9839754116615E+24
Space diagonal
314454075.2615
Perimeter
544650435
Area
1.4272295739891E+16
Altitude
157227037.63075
Surface area
1.4272295739891E+16
Volume
7.0521826533991E+23
Height
85583559.103267