16387 is an odd 5-digits composite number following 16386
and preceding 16388 . In scientific notation, it is written as 1.6387 × 10^4.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 14040 positive integers (up to 16387) that are relatively prime to 16387.
16387 has 4 divisors, whose sum is 18736
The reverse of 16387 is 78361
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 25
Digital Root 7
Name
sixteen thousand three hundred eighty-seven
Scientific notation
1.6387 × 10^4
Engineering notation
1.6387 × 10^3
Prime Factorization
7 × 2341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16387
Product of the distinct prime numbers
The prime factorization of 16387 is 7 × 2341.
Since it has a total of 2 prime factors.
5 , 4 , 49 , 32 , 488 , 799 , 3679 , 9311 , 82662 , 80830 , 244970 , 413461 , 4228208 , 1508144 , 32789305 , 76985264 , 318364338 , 12160087 , 2165634069 , 5916165897
n×2
32774
n×3
49161
n×4
65548
n×5
81935
n÷2
8193.5
n÷3
5462.3333333333
n÷3
4096.75
n÷5
3277.4
n2
268533769
n3
4400462872603
n4
72110385093345361
n5
1.1816728805247E+21
2 √n
128.01171821361
3 √n
25.399966933224
4 √n
11.314226363902
5 √n
6.9646595318014
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
-16386
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 16387 can be divided by 4 positive divisors.
The sum of these divisors (counting 16387) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000000000011
3
Ternary
211110221
4
Quaternary
10000003
5
Quinary
1011022
6
Senary
203511
8
Octal
40003
10
Decimal
16387
12
Duodecimal
9597
16
Hexadecimal
4003
20
Vigesimal
20j7
36
Base36
cn7
md5
f27a4f23a9840cbee6ccaa3194e86ea0
sha1
0bcfb9e9870fe897872b38c7b1ceaa2e071aa9ab
sha256
519bb54e5f57b26821dfe386952f4305929065a7ed0a998308970202ccc971dd
sha512
06fcf8038cfda19d7477643565f9d268c351b158c0412e3be9caf16bf62e593f6c00a93530c1ceae289bd6f0cbd9cf0b38c5f06936801c21fef492a9650e8f70
ripemd-160
f70cb3f27ded053d6f9b33ca5d833c7cfa01a6fa
Diameter
32774
Circumference
102962.55762875
Area
843623715.93118
Volume
18432615777286
Surface area
3374494863.7247
Circumference
102962.55762875
Perimeter
65548
Area
268533769
Diagonal
23174.717646608
Surface area
1611202614
Volume
4400462872603
Space diagonal
28383.116583631
Perimeter
49161
Area
116278532.86399
Altitude
14191.558291816
Surface area
116278532.86399
Volume
518599522929.54
Height
7724.9058822026