165643145 is an odd 9-digits composite number following 165643144
and preceding 165643146 . In scientific notation, it is written as 1.65643145 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 132460336 positive integers (up to 165643145) that are relatively prime to 165643145.
165643145 has 8 divisors, whose sum is 198853056
The reverse of 165643145 is 541346561
Previous prime number is 3203
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred sixty-five million six hundred forty-three thousand one hundred forty-five
Scientific notation
1.65643145 × 10^8
Engineering notation
1.65643145 × 10^6
Prime Factorization
5 × 3203 × 10343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
165643145
Product of the distinct prime numbers
The prime factorization of 165643145 is 5 × 3203 × 10343.
Since it has a total of 3 prime factors.
4 , 6 , 97 , 50 , 394 , 430 , 2728 , 3783 , 14112 , 72652 , 560467 , 944255 , 9141657 , 4796904 , 7124533 , 5167730 , 330403154 , 185808743 , 408709213 , 3027369137
n×2
331286290
n×3
496929435
n×4
662572580
n×5
828215725
n÷2
82821572.5
n÷3
55214381.666667
n÷3
41410786.25
n÷5
33128629
n2
27437651485491025
n3
4.5448588834707E+24
n4
7.5282471903927E+32
n5
1.2470025409541E+41
2 √n
12870.242616206
3 √n
549.19236283023
4 √n
113.44709170448
5 √n
44.038720605046
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-165643144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 165643145 can be divided by 8 positive divisors.
The sum of these divisors (counting 165643145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111111000001110001001
3
Ternary
102112200112200022
4
Quaternary
21313320032021
5
Quinary
314401040040
6
Senary
24234150225
8
Octal
1167701611
10
Decimal
165643145
12
Duodecimal
47582375
16
Hexadecimal
9df8389
20
Vigesimal
2bf57h5
36
Base36
2qmb2h
md5
4d589786f4c4724214e74374b99f823f
sha1
662c87177a60f42ad429827f3f5628964e76ac77
sha256
224f24c694066c3dc5daaaf99fcd2f14da9ba6ba73dd9a4712e31c8b8cbd2271
sha512
87efcb4cc0d443abf14759433a8b0c7e13ec1b53e1f2233e13d7cef15a6ce5afe7eabc3c2b8f640dc17f956901ed9ddda66601484f4987e2bd82c16580bf54c8
ripemd-160
3b51761491dc649b471c07b07aad0a3c0cce65a7
Diameter
331286290
Circumference
1040766574.899
Area
8.6197924338576E+16
Volume
1.9037460373218E+25
Surface area
3.447916973543E+17
Circumference
1040766574.899
Perimeter
662572580
Area
27437651485491025
Diagonal
234254782.17313
Surface area
164625908912946150
Volume
4.5448588834707E+24
Space diagonal
286902343.0655
Perimeter
496929435
Area
1.188085160331E+16
Altitude
143451171.53275
Surface area
1.188085160331E+16
Volume
5.3561675600634E+23
Height
78084927.391044