11487 is an odd 5-digits composite number following 11486
and preceding 11488 . In scientific notation, it is written as 1.1487 × 10^4.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 6552 positive integers (up to 11487) that are relatively prime to 11487.
11487 has 4 divisors, whose sum is 12056
The reverse of 11487 is 78411
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 21
Digital Root 3
Name
eleven thousand four hundred eighty-seven
Scientific notation
1.1487 × 10^4
Engineering notation
1.1487 × 10^3
Prime Factorization
21 × 547
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
11487
Product of the distinct prime numbers
The prime factorization of 11487 is 21 × 547.
Since it has a total of 2 prime factors.
6 , 9 , 21 , 74 , 246 , 674 , 7883 , 1166 , 12339 , 75738 , 714688 , 258742 , 8041161 , 2319609 , 51360656 , 52735623 , 646765359 , 26819647 , 2009884489 , 6489377203
n×2
22974
n×3
34461
n×4
45948
n×5
57435
n÷2
5743.5
n÷3
3829
n÷3
2871.75
n÷5
2297.4
n2
131951169
n3
1515723078303
n4
17411111000466561
n5
2.0000143206236E+20
2 √n
107.1774229957
3 √n
22.563278659346
4 √n
10.352652944811
5 √n
6.4869615568426
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
-11486
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 11487 can be divided by 4 positive divisors.
The sum of these divisors (counting 11487) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110011011111
3
Ternary
120202110
4
Quaternary
2303133
5
Quinary
331422
6
Senary
125103
8
Octal
26337
10
Decimal
11487
12
Duodecimal
6793
16
Hexadecimal
2cdf
20
Vigesimal
18e7
36
Base36
8v3
md5
11b01bd09f8d22fecc14d3418f83caab
sha1
016df7a202dce4f67a6213d2120ad3e4235e5f12
sha256
6a1befc44c314642f04a8cf4cdf6a7f208580615eada11e8d8b09c9bf643b4f9
sha512
e4f66218a27da7b3381b8dbd67e8626f9950a35efc4c2c356d9231050f8d34d6def04eadd94a9b7769234b1b59b1308494637e23e644ebe34fb8ddada594344d
ripemd-160
981600753526e67295d94abacfef143e37e82ff4
Diameter
22974
Circumference
72174.949623572
Area
414536823.16299
Volume
6349045983564.3
Surface area
1658147292.6519
Circumference
72174.949623572
Perimeter
45948
Area
131951169
Diagonal
16245.07119098
Surface area
791707014
Volume
1515723078303
Space diagonal
19896.067626544
Perimeter
34461
Area
57136532.206527
Altitude
9948.0338132718
Surface area
57136532.206527
Volume
178629677844.83
Height
5415.0237303266