21243612 is an even 8-digits composite number following 21243611
and preceding 21243613 . In scientific notation, it is written as 2.1243612 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 6536448 positive integers (up to 21243612) that are relatively prime to 21243612.
21243612 has 24 divisors, whose sum is 53381776
The reverse of 21243612 is 21634212
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred forty-three thousand six hundred twelve
Scientific notation
2.1243612 × 10^7
Engineering notation
2.1243612 × 10^6
Prime Factorization
2 × 2 × 3 × 13 × 136177
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10621806
Product of the distinct prime numbers
The prime factorization of 21243612 is 2 × 2 × 3 × 13 × 136177.
Since it has a total of 5 prime factors.
6 , 7 , 92 , 2 , 550 , 240 , 6079 , 4552 , 46891 , 83148 , 75683 , 512838 , 3486890 , 9271798 , 87580609 , 4041640 , 966681164 , 707445385 , 5428076349 , 9128415318
n×2
42487224
n×3
63730836
n×4
84974448
n×5
106218060
n÷2
10621806
n÷3
7081204
n÷3
5310903
n÷5
4248722.4
n2
451291050806544
n3
9.5870519824065E+21
n4
2.0366361253807E+29
n5
4.3265507632772E+36
2 √n
4609.0793006847
3 √n
276.95515528205
4 √n
67.890200328801
5 √n
29.204224085535
1 , 2 , 3 , 4 , 6 , 12 , 13 , 26 , 39 , 52 , 78 , 156 , 136177 , 272354 , 408531 , 544708 , 817062 , 1634124 , 1770301 , 3540602 , 5310903 , 7081204 , 10621806 , 21243612
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21243611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243612 can be divided by 24 positive divisors.
The sum of these divisors (counting 21243612) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001000010011011011100
3
Ternary
1110222021202110
4
Quaternary
1101002123130
5
Quinary
20414243422
6
Senary
2035154020
8
Octal
121023334
10
Decimal
21243612
12
Duodecimal
7145910
16
Hexadecimal
14426dc
20
Vigesimal
6cf90c
36
Base36
cnboc
md5
84796f2118822a36ec4412e83313f33e
sha1
0016d071627c675f5c44bc0aba72f902fc592b17
sha256
cab48b50dae6c6e9ff9598d6da57714ef7890b68f1eb21464f1c91f560b5e189
sha512
1588529d826cf456674a7eb5beec13a4bca93b5947252add745a22fa26f1d9206da2ff4d0487bbf9dc8e9e10ab797ac4a5f00d9748b58a9052ac64dc55b818ca
ripemd-160
fef67e900c9d5c122fc77d56513fa5865eb0aec2
Diameter
42487224
Circumference
133477550.78982
Area
1.4177726498447E+15
Volume
4.0158149436682E+22
Surface area
5.6710905993786E+15
Circumference
133477550.78982
Perimeter
84974448
Area
451291050806544
Diagonal
30043004.204192
Surface area
2707746304839264
Volume
9.5870519824065E+21
Space diagonal
36795015.32028
Perimeter
63730836
Area
1.9541475724952E+14
Altitude
18397507.66014
Surface area
1.9541475724952E+14
Volume
1.1298449113913E+21
Height
10014334.734731