163645 (number)

163645 is an odd 6-digits composite number following 163644 and preceding 163646. In scientific notation, it is written as 1.63645 × 10^5. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 125136 positive integers (up to 163645) that are relatively prime to 163645.

Interesting facts

Basic properties

Name

Name one hundred sixty-three thousand six hundred forty-five

Notation

Scientific notation 1.63645 × 10^5
Engineering notation 1.63645 × 10^3

Prime Factorization of 163645

Prime Factorization 5 × 23 × 1423

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 163645
Product of the distinct prime numbers

The prime factorization of 163645 is 5 × 23 × 1423. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 163645)

Multiplication

n×y
n×2 327290
n×3 490935
n×4 654580
n×5 818225

Division

n÷y
n÷2 81822.5
n÷3 54548.333333333
n÷3 40911.25
n÷5 32729

Exponentiation

ny
n2 26779686025
n3 4382361719561125
n4 7.1715158359758E+20
n5 1.1735827089783E+26

Nth Root

y√n
2√n 404.53059216826
3√n 54.697512996493
4√n 20.112945884884
5√n 11.035208625069

Divisors of 163645

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 -163644
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 163645 can be divided by 8 positive divisors. The sum of these divisors (counting 163645) is 1, the average is 0.125.

Base conversion 163645

Base System Value
2 Binary 100111111100111101
3 Ternary 22022110221
4 Quaternary 213330331
5 Quinary 20214040
6 Senary 3301341
8 Octal 477475
10 Decimal 163645
12 Duodecimal 7a851
16 Hexadecimal 27f3d
20 Vigesimal 10925
36 Base36 3i9p

Cryptographic Hash Functions

md5 78af8173f06198d74ddfff7eed5045db
sha1 e1f5860e6866be6a2db869d02f31fca331ecbd26
sha256 0a63e37afd0f654cfce3672804d48fae4b8adba2c1cadef57b844be5ee898e49
sha512 ea291e83aa96d1546cfc5399d407ac5f425a9cc9ebb50ae3d576a7a0d0f14ff84f0e67d7a1a42f5d1ced00d1eaf3cff13c0257e251d4845f21c71ff4f00ec1eb
ripemd-160 66e0c294e098faddc45793fa0bfafa642f9a2a24

163645 as geometric shapes

Circle

Radius = n
Diameter 327290
Circumference 1028211.8595934
Area 84130864881.581

Sphere

Radius = n
Volume 1.8356793844728E+16
Surface area 336523459526.33
Circumference 1028211.8595934

Square

Length = n
Perimeter 654580
Area 26779686025
Diagonal 231428.97841455

Cube

Length = n
Surface area 160678116150
Volume 4382361719561125
Space diagonal 283441.45440461

Equilateral Triangle

Length = n
Perimeter 490935
Area 11595944201.511
Altitude 141720.7272023

Triangular Pyramid

Length = n
Surface area 11595944201.511
Volume 5.1646628158567E+14
Height 77142.992804848