21103784 is an even 8-digits composite number following 21103783
and preceding 21103785 . In scientific notation, it is written as 2.1103784 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors.
There are 9740160 positive integers (up to 21103784) that are relatively prime to 21103784.
21103784 has 16 divisors, whose sum is 42613620
The reverse of 21103784 is 48730112
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred three thousand seven hundred eighty-four
Scientific notation
2.1103784 × 10^7
Engineering notation
2.1103784 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 202921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5275946
Product of the distinct prime numbers
The prime factorization of 21103784 is 2 × 2 × 2 × 13 × 202921.
Since it has a total of 5 prime factors.
7 , 1 , 8 , 47 , 978 , 213 , 1759 , 737 , 87344 , 67581 , 737670 , 330529 , 3150184 , 6972839 , 54941946 , 23281583 , 944713844 , 989697414 , 8368336948 , 5456914909
n×2
42207568
n×3
63311352
n×4
84415136
n×5
105518920
n÷2
10551892
n÷3
7034594.6666667
n÷3
5275946
n÷5
4220756.8
n2
445369699118656
n3
9.3989859303451E+21
n4
1.9835416889304E+29
n5
4.1860235358183E+36
2 √n
4593.8855014029
3 √n
276.34616650146
4 √n
67.778208160167
5 √n
29.165677323181
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 202921 , 405842 , 811684 , 1623368 , 2637973 , 5275946 , 10551892 , 21103784
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21103783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21103784 can be divided by 16 positive divisors.
The sum of these divisors (counting 21103784) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100000010010101000
3
Ternary
1110201011221122
4
Quaternary
1100200102220
5
Quinary
20400310114
6
Senary
2032154412
8
Octal
120402250
10
Decimal
21103784
12
Duodecimal
7098a08
16
Hexadecimal
14204a8
20
Vigesimal
6bhj94
36
Base36
ckbs8
md5
7afdd52259505600cb40e91c4dfff0e9
sha1
2681e54515a7af7a21eec13dbb97b95e6c7b9df9
sha256
2894ee7dbcef1005edc639a3ca049e703692526993bc811bc6d07904117e26ef
sha512
febf0b2f0cf433b56e3f34804bc3029f15b5595c264ed70c3b64aeee12341366e0a7b103083cd88550ddf33f0d6278049ccd5dff82602f8c6b8736244de30bc8
ripemd-160
672a7569e768bb3fef7035ef5464d4a7033e6465
Diameter
42207568
Circumference
132598985.55469
Area
1.3991701748827E+15
Volume
3.9370380199955E+22
Surface area
5.5966806995307E+15
Circumference
132598985.55469
Perimeter
84415136
Area
445369699118656
Diagonal
29845257.550192
Surface area
2672218194711936
Volume
9.3989859303451E+21
Space diagonal
36552826.119959
Perimeter
63311352
Area
1.9285073675629E+14
Altitude
18276413.05998
Surface area
1.9285073675629E+14
Volume
1.107681114604E+21
Height
9948419.1833974