21124243 is an odd 8-digits composite number following 21124242
and preceding 21124244 . In scientific notation, it is written as 2.1124243 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 18106452 positive integers (up to 21124243) that are relatively prime to 21124243.
21124243 has 4 divisors, whose sum is 21555400
The reverse of 21124243 is 34242112
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million one hundred twenty-four thousand two hundred forty-three
Scientific notation
2.1124243 × 10^7
Engineering notation
2.1124243 × 10^6
Prime Factorization
49 × 431107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21124243
Product of the distinct prime numbers
The prime factorization of 21124243 is 49 × 431107.
Since it has a total of 2 prime factors.
6 , 4 , 79 , 10 , 631 , 676 , 6047 , 5264 , 22337 , 52166 , 159318 , 309955 , 2707417 , 2430022 , 84509956 , 65701118 , 353531963 , 223503422 , 807574861 , 7391694931
n×2
42248486
n×3
63372729
n×4
84496972
n×5
105621215
n÷2
10562121.5
n÷3
7041414.3333333
n÷3
5281060.75
n÷5
4224848.6
n2
446233642323049
n3
9.4263478952072E+21
n4
1.9912446354089E+29
n5
4.2063535550825E+36
2 √n
4596.1117262312
3 √n
276.43543864645
4 √n
67.794629036755
5 √n
29.171330047252
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
-21124242
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 21124243 can be divided by 4 positive divisors.
The sum of these divisors (counting 21124243) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100101010010010011
3
Ternary
1110202020000101
4
Quaternary
1100211102103
5
Quinary
20401433433
6
Senary
2032433231
8
Octal
120452223
10
Decimal
21124243
12
Duodecimal
70a8817
16
Hexadecimal
1425493
20
Vigesimal
6c0ac3
36
Base36
ckrkj
md5
dd46cde89ca1eb73cce06812078f64bf
sha1
77a55bf70ef63246c94ca1cf0a13cb27b937d1f6
sha256
0beebee2b517a1b1bb15785a29dd05f3028f79dc30415b05c166363b798a30fa
sha512
e4824793de6fcee4b2e3957ae2d8dd3de3851cc3ab025f906436e05cfe9f864dee29e8c2b377c359ec91f7aec3c5015ac504890bb98b4b0ad85c55691f3417c8
ripemd-160
3a4a82c0ce19367a9e7e85cae00efc20d721eaeb
Diameter
42248486
Circumference
132727533.24289
Area
1.4018843325067E+15
Volume
3.9484993730353E+22
Surface area
5.6075373300268E+15
Circumference
132727533.24289
Perimeter
84496972
Area
446233642323049
Diagonal
29874190.945465
Surface area
2677401853938294
Volume
9.4263478952072E+21
Space diagonal
36588262.147431
Perimeter
63372729
Area
1.9322483513751E+14
Altitude
18294131.073716
Surface area
1.9322483513751E+14
Volume
1.1109057530874E+21
Height
9958063.6484883