165945 (number)

165945 is an odd 6-digits composite number following 165944 and preceding 165946. In scientific notation, it is written as 1.65945 × 10^5. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 76032 positive integers (up to 165945) that are relatively prime to 165945.

Interesting facts

Basic properties

Name

Name one hundred sixty-five thousand nine hundred forty-five

Notation

Scientific notation 1.65945 × 10^5
Engineering notation 1.65945 × 10^3

Prime Factorization of 165945

Prime Factorization 3 × 5 × 13 × 23 × 37

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 165945
Product of the distinct prime numbers

The prime factorization of 165945 is 3 × 5 × 13 × 23 × 37. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 4, 1, 574, 961, 6530, 8242, 17595, 45735, 983491, 158808, 3707001, 362576, 16044973, 99647900, 956604448, 787305414, 1044164620, 2612543562

Basic calculations (n = 165945)

Multiplication

n×y
n×2 331890
n×3 497835
n×4 663780
n×5 829725

Division

n÷y
n÷2 82972.5
n÷3 55315
n÷3 41486.25
n÷5 33189

Exponentiation

ny
n2 27537743025
n3 4569750766283625
n4 7.5832729091094E+20
n5 1.2584062229022E+26

Nth Root

y√n
2√n 407.36347406217
3√n 54.952576200429
4√n 20.183247361665
5√n 11.066055252139

Divisors of 165945

1, 3, 5, 13, 15, 23, 37, 39, 65, 69, 111, 115, 185, 195, 299, 345, 481, 555, 851, 897, 1443, 1495, 2405, 2553, 4255, 4485, 7215, 11063, 12765, 33189, 55315, 165945

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -165944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 165945 can be divided by 32 positive divisors. The sum of these divisors (counting 165945) is 1, the average is 0.03125.

Base conversion 165945

Base System Value
2 Binary 101000100000111001
3 Ternary 22102122010
4 Quaternary 220200321
5 Quinary 20302240
6 Senary 3320133
8 Octal 504071
10 Decimal 165945
12 Duodecimal 80049
16 Hexadecimal 28839
20 Vigesimal 10eh5
36 Base36 3k1l

Cryptographic Hash Functions

md5 fdd148bba8afa29078726d9341c5fb75
sha1 095c0b784fcf193d79d45250e0bece6a71345a65
sha256 b7fb701d370d87ce0945f6862988005eeadea9c950863f1ad40e15d5959a3652
sha512 18fccd702aadbd19894ef5fa94b13480ecf43510347e0cd7f85e301ddbdfa522e2df93ae92c109c0abd6b76ff73ce4afbd2bbae6ced8b6b1371906b4011f37f4
ripemd-160 3d075133663d1def126d9c4899c71094d5c2051d

165945 as geometric shapes

Circle

Radius = n
Diameter 331890
Circumference 1042663.1857999
Area 86512371183.784

Sphere

Radius = n
Volume 1.9141727248124E+16
Surface area 346049484735.13
Circumference 1042663.1857999

Square

Length = n
Perimeter 663780
Area 27537743025
Diagonal 234681.669608

Cube

Length = n
Surface area 165226458150
Volume 4569750766283625
Space diagonal 287425.17126202

Equilateral Triangle

Length = n
Perimeter 497835
Area 11924192511.269
Altitude 143712.58563101

Triangular Pyramid

Length = n
Surface area 11924192511.269
Volume 5.385502925286E+14
Height 78227.223202668