21243723 is an odd 8-digits composite number following 21243722
and preceding 21243724 . In scientific notation, it is written as 2.1243723 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 14162480 positive integers (up to 21243723) that are relatively prime to 21243723.
21243723 has 4 divisors, whose sum is 28324968
The reverse of 21243723 is 32734212
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred forty-three thousand seven hundred twenty-three
Scientific notation
2.1243723 × 10^7
Engineering notation
2.1243723 × 10^6
Prime Factorization
3 × 7081241
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21243723
Product of the distinct prime numbers
The prime factorization of 21243723 is 3 × 7081241.
Since it has a total of 2 prime factors.
2 , 2 , 4 , 77 , 772 , 892 , 5220 , 6040 , 94107 , 97475 , 648005 , 377870 , 6212014 , 4821449 , 85096785 , 60566262 , 594800213 , 243814904 , 9040195013 , 9584558935
n×2
42487446
n×3
63731169
n×4
84974892
n×5
106218615
n÷2
10621861.5
n÷3
7081241
n÷3
5310930.75
n÷5
4248744.6
n2
451295766900729
n3
9.5872022631117E+21
n4
2.0366786922252E+29
n5
4.3266637977634E+36
2 √n
4609.0913421194
3 √n
276.95563765401
4 √n
67.890289011901
5 √n
29.20425460447
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
-21243722
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 21243723 can be divided by 4 positive divisors.
The sum of these divisors (counting 21243723) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001000010011101001011
3
Ternary
1110222021220120
4
Quaternary
1101002131023
5
Quinary
20414244343
6
Senary
2035154323
8
Octal
121023513
10
Decimal
21243723
12
Duodecimal
71459a3
16
Hexadecimal
144274b
20
Vigesimal
6cf963
36
Base36
cnbrf
md5
03d7ccb2afe7ed2e6e3f280c218df0de
sha1
112dff81576a5ca889415e00cbcd3684bc094481
sha256
508de8fd53700f43e194a729555d3190fc53a855322dca5c563ebef1c99d563f
sha512
acc20f6105bf0ae552e1ab379d9205d84a029d3ef47cbdb69a27f8bd9f945984b26363dcb35c0b92cf19480f9ab17ce6fe201b241f1786f0f3833d0b5b931fe2
ripemd-160
2b265f6a4077eebee6444a3f1bda245d5ff124d9
Diameter
42487446
Circumference
133478248.22339
Area
1.4177874658915E+15
Volume
4.0158778931028E+22
Surface area
5.671149863566E+15
Circumference
133478248.22339
Perimeter
84974892
Area
451295766900729
Diagonal
30043161.181897
Surface area
2707774601404374
Volume
9.5872022631117E+21
Space diagonal
36795207.57792
Perimeter
63731169
Area
1.9541679937821E+14
Altitude
18397603.78896
Surface area
1.9541679937821E+14
Volume
1.1298626221422E+21
Height
10014387.060632