21243794 is an even 8-digits composite number following 21243793
and preceding 21243795 . In scientific notation, it is written as 2.1243794 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8913360 positive integers (up to 21243794) that are relatively prime to 21243794.
21243794 has 16 divisors, whose sum is 37437120
The reverse of 21243794 is 49734212
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred forty-three thousand seven hundred ninety-four
Scientific notation
2.1243794 × 10^7
Engineering notation
2.1243794 × 10^6
Prime Factorization
2 × 11 × 13 × 74279
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21243794
Product of the distinct prime numbers
The prime factorization of 21243794 is 2 × 11 × 13 × 74279.
Since it has a total of 4 prime factors.
3 , 1 , 24 , 100 , 739 , 511 , 254 , 8326 , 13721 , 78123 , 750471 , 583590 , 3048845 , 8325482 , 99066104 , 29908586 , 55824703 , 570025061 , 4118351136 , 9820873267
n×2
42487588
n×3
63731382
n×4
84975176
n×5
106218970
n÷2
10621897
n÷3
7081264.6666667
n÷3
5310948.5
n÷5
4248758.8
n2
451298783514436
n3
9.5872983894313E+21
n4
2.0367059200161E+29
n5
4.3267361003402E+36
2 √n
4609.0990442819
3 √n
276.95594619736
4 √n
67.890345736945
5 √n
29.204274125524
1 , 2 , 11 , 13 , 22 , 26 , 143 , 286 , 74279 , 148558 , 817069 , 965627 , 1634138 , 1931254 , 10621897 , 21243794
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
-21243793
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 21243794 can be divided by 16 positive divisors.
The sum of these divisors (counting 21243794) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000010011110010010
3
Ternary
1110222022000012
4
Quaternary
1101002132102
5
Quinary
20414300134
6
Senary
2035154522
8
Octal
121023622
10
Decimal
21243794
12
Duodecimal
7145a42
16
Hexadecimal
1442792
20
Vigesimal
6cf99e
36
Base36
cnbte
md5
154896bc40a49819727df4e46724a609
sha1
fbad403c74bdcc0075f1b9ab02cb8d0a6ff192e4
sha256
d2e4e35e9ca7e219c0851d8867c5f4e96d2a1c861a668938e3bbae3907ce4ca2
sha512
d9b9bdf8763e499dc924ba17917032d1bb8717f25ad45dc908a047f56769e07d3d542d3efcc110214fa4ebf93669ef250de58e898d7787786d965693b6d54175
ripemd-160
3e28f9cad96b1424b8c95b22514c815efec5e006
Diameter
42487588
Circumference
133478694.32955
Area
1.417796942863E+15
Volume
4.0159181584014E+22
Surface area
5.6711877714518E+15
Circumference
133478694.32955
Perimeter
84975176
Area
451298783514436
Diagonal
30043261.59106
Surface area
2707792701086616
Volume
9.5872983894313E+21
Space diagonal
36795330.553527
Perimeter
63731382
Area
1.9541810561026E+14
Altitude
18397665.276763
Surface area
1.9541810561026E+14
Volume
1.1298739507376E+21
Height
10014420.530353