8987 is an odd 4-digits composite number following 8986
and preceding 8988 . In scientific notation, it is written as 8.987 × 10^3.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 7560 positive integers (up to 8987) that are relatively prime to 8987.
8987 has 8 divisors, whose sum is 10560
The reverse of 8987 is 7898
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 32
Digital Root 5
Name
eight thousand nine hundred eighty-seven
Scientific notation
8.987 × 10^3
Engineering notation
8.987 × 10^3
Prime Factorization
11 × 19 × 43
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
8987
Product of the distinct prime numbers
The prime factorization of 8987 is 11 × 19 × 43.
Since it has a total of 3 prime factors.
4 , 7 , 67 , 72 , 839 , 591 , 3174 , 3313 , 51473 , 24014 , 541343 , 423904 , 3133907 , 2511100 , 69394912 , 40812924 , 66099162 , 425573251 , 1425909931 , 5307956994
n×2
17974
n×3
26961
n×4
35948
n×5
44935
n÷2
4493.5
n÷3
2995.6666666667
n÷3
2246.75
n÷5
1797.4
n2
80766169
n3
725845560803
n4
6523174054936561
n5
5.8623765231715E+19
2 √n
94.799789029301
3 √n
20.790818186096
4 √n
9.7365183217257
5 √n
6.1762227155732
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
-8986
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 8987 can be divided by 8 positive divisors.
The sum of these divisors (counting 8987) is 1, the average is 0.125.
Base
System
Value
2
Binary
10001100011011
3
Ternary
110022212
4
Quaternary
2030123
5
Quinary
241422
6
Senary
105335
8
Octal
21433
10
Decimal
8987
12
Duodecimal
524b
16
Hexadecimal
231b
20
Vigesimal
1297
36
Base36
6xn
md5
74888d4e8f1b989420edfb5b19659c77
sha1
40f65e3dad2b5d1e3047a2e79ee13e4924fbd2a8
sha256
b2327bdfba5a1f757fe8ff14abfd3ebe9c30c4132de096be49dfb0696ce269aa
sha512
f4244f137e26556b6fe861aaa796651ffcde9343271f968a4037bbf482e658d8d91c344b893225dcef3653d6977cbfbd7c8307860e6751ca2b4118b475bf4448
ripemd-160
b3ce0ab0386d02456a4a553ea365724a7dac5379
Diameter
17974
Circumference
56466.986355623
Area
253734403.18899
Volume
3040414775279.3
Surface area
1014937612.756
Circumference
56466.986355623
Perimeter
35948
Area
80766169
Diagonal
12709.537285047
Surface area
484597014
Volume
725845560803
Space diagonal
15565.940607622
Perimeter
26961
Area
34972777.060174
Altitude
7782.9703038108
Surface area
34972777.060174
Volume
85541719689.659
Height
4236.512428349