21082389 is an odd 8-digits composite number following 21082388
and preceding 21082390 . In scientific notation, it is written as 2.1082389 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13980960 positive integers (up to 21082389) that are relatively prime to 21082389.
21082389 has 8 divisors, whose sum is 28257792
The reverse of 21082389 is 98328012
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million eighty-two thousand three hundred eighty-nine
Scientific notation
2.1082389 × 10^7
Engineering notation
2.1082389 × 10^6
Prime Factorization
3 × 191 × 36793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21082389
Product of the distinct prime numbers
The prime factorization of 21082389 is 3 × 191 × 36793.
Since it has a total of 3 prime factors.
2 , 2 , 1 , 83 , 362 , 148 , 5372 , 4361 , 81932 , 36789 , 254333 , 273454 , 8596424 , 64874 , 25121565 , 27804925 , 362034987 , 436611024 , 6539694959 , 1343161228
n×2
42164778
n×3
63247167
n×4
84329556
n×5
105411945
n÷2
10541194.5
n÷3
7027463
n÷3
5270597.25
n÷5
4216477.8
n2
444467125947321
n3
9.3704288469334E+21
n4
1.9755102604787E+29
n5
4.1648475784904E+36
2 √n
4591.5562721152
3 √n
276.25274841488
4 √n
67.761023251683
5 √n
29.159761295377
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
-21082388
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 21082389 can be divided by 8 positive divisors.
The sum of these divisors (counting 21082389) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011000100010101
3
Ternary
1110200002121020
4
Quaternary
1100123010111
5
Quinary
20344114024
6
Senary
2031511353
8
Octal
120330425
10
Decimal
21082389
12
Duodecimal
7088559
16
Hexadecimal
141b115
20
Vigesimal
6bf5j9
36
Base36
cjv9x
md5
1da201a550a7160a8005af9120be1eb0
sha1
80d931bd5b0bc490ffc0d08b303ebbd79b50c75c
sha256
bdf1a11b30b2b1af8b1501e1644a5280657fd7e28cdaa26a934a487ff96dda6a
sha512
1a70ff0c371acf91e9a0dcaffa44af5f165be6de14bf1d86d173e991e26be01b4c3db386638dfc03d42d17ba8a55d5501d829c98dcc60e9459734aef33f09813
ripemd-160
4897b7c2ff3d1a314e3bdf2600bbcd45f05670fc
Diameter
42164778
Circumference
132464556.80504
Area
1.3963346576383E+15
Volume
3.9250760568683E+22
Surface area
5.5853386305531E+15
Circumference
132464556.80504
Perimeter
84329556
Area
444467125947321
Diagonal
29815000.451025
Surface area
2666802755683926
Volume
9.3704288469334E+21
Space diagonal
36515768.892931
Perimeter
63247167
Area
1.9245991110872E+14
Altitude
18257884.446466
Surface area
1.9245991110872E+14
Volume
1.1043156300488E+21
Height
9938333.4836751