16388639 is an odd 8-digits composite number following 16388638
and preceding 16388640 . In scientific notation, it is written as 1.6388639 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 16229424 positive integers (up to 16388639) that are relatively prime to 16388639.
16388639 has 4 divisors, whose sum is 16547856
The reverse of 16388639 is 93688361
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixteen million three hundred eighty-eight thousand six hundred thirty-nine
Scientific notation
1.6388639 × 10^7
Engineering notation
1.6388639 × 10^6
Prime Factorization
103 × 159113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16388639
Product of the distinct prime numbers
The prime factorization of 16388639 is 103 × 159113.
Since it has a total of 2 prime factors.
9 , 4 , 4 , 94 , 839 , 898 , 187 , 7071 , 56257 , 31165 , 951016 , 347356 , 6464538 , 6332500 , 93591835 , 3179550 , 808237446 , 914461801 , 2494935496 , 3961479443
n×2
32777278
n×3
49165917
n×4
65554556
n×5
81943195
n÷2
8194319.5
n÷3
5462879.6666667
n÷3
4097159.75
n÷5
3277727.8
n2
268587488272321
n3
4.4017833852118E+21
n4
7.2139238856434E+28
n5
1.1822639433529E+36
2 √n
4048.2884037578
3 √n
254.00813725558
4 √n
63.626161315593
5 √n
27.727363616251
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
-16388638
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 16388639 can be divided by 4 positive divisors.
The sum of these divisors (counting 16388639) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110100001001000011111
3
Ternary
1010211121222122
4
Quaternary
332201020133
5
Quinary
13143414024
6
Senary
1343133155
8
Octal
76411037
10
Decimal
16388639
12
Duodecimal
55a41bb
16
Hexadecimal
fa121f
20
Vigesimal
528bbj
36
Base36
9r9jz
md5
349c4cb9c8bd237198580a06f59ae97b
sha1
00f6a5037dbd916c649007c52dd8f18c5bfac236
sha256
e8ef431c9e0ffe2c35097bc96f422d5c956cabadedbf1109506617eaaee5b579
sha512
e9bb2b370800cbf5f8e5b437809ce2a70c0cbd9d7edd69f8d81d918e195692c124e008803922539c0a6d8f9b3b5eeba451185401cd466b06040c18ad951f65b2
ripemd-160
65c18c37838ebd0f6f52550d8074aea19c958a4c
Diameter
32777278
Circumference
102972855.76947
Area
8.4379248000246E+14
Volume
1.8438147127567E+22
Surface area
3.3751699200098E+15
Circumference
102972855.76947
Perimeter
65554556
Area
268587488272321
Diagonal
23177035.542637
Surface area
1611524929633926
Volume
4.4017833852118E+21
Space diagonal
28385955.414905
Perimeter
49165917
Area
1.1630179399124E+14
Altitude
14192977.707452
Surface area
1.1630179399124E+14
Volume
5.1875514683292E+20
Height
7725678.5142122