8945 (number)

8945 is an odd 4-digits composite number following 8944 and preceding 8946. In scientific notation, it is written as 8.945 × 10^3. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 7152 positive integers (up to 8945) that are relatively prime to 8945.

Interesting facts

Basic properties

Name

Name eight thousand nine hundred forty-five

Notation

Scientific notation 8.945 × 10^3
Engineering notation 8.945 × 10^3

Prime Factorization of 8945

Prime Factorization 5 × 1789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 8945
Product of the distinct prime numbers

The prime factorization of 8945 is 5 × 1789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8945)

Multiplication

n×y
n×2 17890
n×3 26835
n×4 35780
n×5 44725

Division

n÷y
n÷2 4472.5
n÷3 2981.6666666667
n÷3 2236.25
n÷5 1789

Exponentiation

ny
n2 80013025
n3 715716508625
n4 6402084169650625
n5 5.7266642897525E+19

Nth Root

y√n
2√n 94.578010129205
3√n 20.758379544911
4√n 9.7251226279778
5√n 6.1704390806663

Divisors of 8945

1, 5, 1789, 8945

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -8944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 8945 can be divided by 4 positive divisors. The sum of these divisors (counting 8945) is 1, the average is 0.25.

Base conversion 8945

Base System Value
2 Binary 10001011110001
3 Ternary 110021022
4 Quaternary 2023301
5 Quinary 241240
6 Senary 105225
8 Octal 21361
10 Decimal 8945
12 Duodecimal 5215
16 Hexadecimal 22f1
20 Vigesimal 1275
36 Base36 6wh

Cryptographic Hash Functions

md5 48e59000d7dfcf6c1d96ce4a603ed738
sha1 2168220ee076eb9f68ae251a2974e17eb3e354dc
sha256 4fe7e6f1705d9808c428a0def09325d896ca1cef61466f2bc14b4e1e34981ad7
sha512 e525517df5448a4dc61908ed342dde8f76c6af81e8236fef8424faca702cb369da326cd0e283bd922746f615535ab14988247337b997490cbcbf79ba79ad98c7
ripemd-160 05f117449b266f968b790e7b80e54ac67dfc742d

8945 as geometric shapes

Circle

Radius = n
Diameter 17890
Circumference 56203.092572721
Area 251368331.5315

Sphere

Radius = n
Volume 2997986300732.3
Surface area 1005473326.126
Circumference 56203.092572721

Square

Length = n
Perimeter 35780
Area 80013025
Diagonal 12650.140315427

Cube

Length = n
Surface area 480078150
Volume 715716508625
Space diagonal 15493.194473704

Equilateral Triangle

Length = n
Perimeter 26835
Area 34646656.14182
Altitude 7746.5972368518

Triangular Pyramid

Length = n
Surface area 34646656.14182
Volume 84347999442.65
Height 4216.7134384758