39645 (number)

39645 is an odd 5-digits composite number following 39644 and preceding 39646. In scientific notation, it is written as 3.9645 × 10^4. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 21120 positive integers (up to 39645) that are relatively prime to 39645.

Interesting facts

Basic properties

Name

Name thirty-nine thousand six hundred forty-five

Notation

Scientific notation 3.9645 × 10^4
Engineering notation 3.9645 × 10^3

Prime Factorization of 39645

Prime Factorization 5 × 9 × 881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 39645
Product of the distinct prime numbers

The prime factorization of 39645 is 5 × 9 × 881. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 77, 44, 999, 250, 3393, 5453, 46465, 23420, 273391, 342427, 9274927, 1566616, 91305539, 83801894, 88720027, 830612924, 2133726849, 9958757437

Basic calculations (n = 39645)

Multiplication

n×y
n×2 79290
n×3 118935
n×4 158580
n×5 198225

Division

n÷y
n÷2 19822.5
n÷3 13215
n÷3 9911.25
n÷5 7929

Exponentiation

ny
n2 1571726025
n3 62311078261125
n4 2470322697662300625
n5 9.7935943348822E+22

Nth Root

y√n
2√n 199.11052207254
3√n 34.098044566995
4√n 14.110652786903
5√n 8.3107015122249

Divisors of 39645

1, 5, 9, 45, 881, 4405, 7929, 39645

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 -39644
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 39645 can be divided by 8 positive divisors. The sum of these divisors (counting 39645) is 1, the average is 0.125.

Base conversion 39645

Base System Value
2 Binary 1001101011011101
3 Ternary 2000101100
4 Quaternary 21223131
5 Quinary 2232040
6 Senary 503313
8 Octal 115335
10 Decimal 39645
12 Duodecimal 1ab39
16 Hexadecimal 9add
20 Vigesimal 4j25
36 Base36 ul9

Cryptographic Hash Functions

md5 42b6ab389c4620755da3fcafbaef3faa
sha1 16a5f3abeb6e658c016f563c93b135df4863852c
sha256 9d29f630061f1f5c187d357b262fb34bf143a937a4d4bbdb182899e96a81c18d
sha512 4b0377f76ff549b1b5471381eefb4c11edda304e0e4236635f8c32bf70288a2b88f4e8e3cc6c3ab4559cb9028b94bd5a5b3be46a1746bf56bfe4101add46d965
ripemd-160 5a3fa41040482e1f48d47ceb0a8151580a65bc30

39645 as geometric shapes

Circle

Radius = n
Diameter 79290
Circumference 249096.88150313
Area 4937722933.5959

Sphere

Radius = n
Volume 2.6100803426988E+14
Surface area 19750891734.384
Circumference 249096.88150313

Square

Length = n
Perimeter 158580
Area 1571726025
Diagonal 56066.496680281

Cube

Length = n
Surface area 9430356150
Volume 62311078261125
Space diagonal 68667.154266068

Equilateral Triangle

Length = n
Perimeter 118935
Area 680577332.71957
Altitude 34333.577133034

Triangular Pyramid

Length = n
Surface area 680577332.71957
Volume 7343430996914.5
Height 18688.83222676