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.
8945 has 4 divisors, whose sum is 10740
The reverse of 8945 is 5498
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 26
Digital Root 8
Name
eight thousand nine hundred forty-five
Scientific notation
8.945 × 10^3
Engineering notation
8.945 × 10^3
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.
1 , 4 , 5 , 23 , 735 , 878 , 415 , 206 , 45090 , 25910 , 219148 , 58794 , 5850061 , 2772191 , 87486272 , 93331841 , 774757941 , 174076510 , 3960393069 , 5621680708
n×2
17890
n×3
26835
n×4
35780
n×5
44725
n÷2
4472.5
n÷3
2981.6666666667
n÷3
2236.25
n÷5
1789
n2
80013025
n3
715716508625
n4
6402084169650625
n5
5.7266642897525E+19
2 √n
94.578010129205
3 √n
20.758379544911
4 √n
9.7251226279778
5 √n
6.1704390806663
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
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
md5
48e59000d7dfcf6c1d96ce4a603ed738
sha1
2168220ee076eb9f68ae251a2974e17eb3e354dc
sha256
4fe7e6f1705d9808c428a0def09325d896ca1cef61466f2bc14b4e1e34981ad7
sha512
e525517df5448a4dc61908ed342dde8f76c6af81e8236fef8424faca702cb369da326cd0e283bd922746f615535ab14988247337b997490cbcbf79ba79ad98c7
ripemd-160
05f117449b266f968b790e7b80e54ac67dfc742d
Diameter
17890
Circumference
56203.092572721
Area
251368331.5315
Volume
2997986300732.3
Surface area
1005473326.126
Circumference
56203.092572721
Perimeter
35780
Area
80013025
Diagonal
12650.140315427
Surface area
480078150
Volume
715716508625
Space diagonal
15493.194473704
Perimeter
26835
Area
34646656.14182
Altitude
7746.5972368518
Surface area
34646656.14182
Volume
84347999442.65
Height
4216.7134384758