21243719 is an odd 8-digits composite number following 21243718
and preceding 21243720 . In scientific notation, it is written as 2.1243719 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 18162936 positive integers (up to 21243719) that are relatively prime to 21243719.
21243719 has 8 divisors, whose sum is 24339840
The reverse of 21243719 is 91734212
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million two hundred forty-three thousand seven hundred nineteen
Scientific notation
2.1243719 × 10^7
Engineering notation
2.1243719 × 10^6
Prime Factorization
7 × 419 × 7243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21243719
Product of the distinct prime numbers
The prime factorization of 21243719 is 7 × 419 × 7243.
Since it has a total of 3 prime factors.
10 , 7 , 39 , 74 , 863 , 27 , 30 , 1830 , 3204 , 3456 , 847196 , 788223 , 5830104 , 8430650 , 80041217 , 56122655 , 554225331 , 590582294 , 7083742167 , 977472039
n×2
42487438
n×3
63731157
n×4
84974876
n×5
106218595
n÷2
10621859.5
n÷3
7081239.6666667
n÷3
5310929.75
n÷5
4248743.8
n2
451295596950961
n3
9.5871968475635E+21
n4
2.0366771582732E+29
n5
4.3266597244075E+36
2 √n
4609.0909081944
3 √n
276.95562027127
4 √n
67.890285816119
5 √n
29.204253504691
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21243718
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243719 can be divided by 8 positive divisors.
The sum of these divisors (counting 21243719) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001000010011101000111
3
Ternary
1110222021220102
4
Quaternary
1101002131013
5
Quinary
20414244334
6
Senary
2035154315
8
Octal
121023507
10
Decimal
21243719
12
Duodecimal
714599b
16
Hexadecimal
1442747
20
Vigesimal
6cf95j
36
Base36
cnbrb
md5
02d3a25f896e8482089a65ed9c2ab427
sha1
b8d569c03724ef3230997a67e08b5c36f93bae9e
sha256
c4c59bddb31ed2242fa2ba5cfa55337ca011b62dfa7bcb8cac574df683e2532d
sha512
ea47932fac70fd045cc832a8772fc7bb0c1f3c5c75e680a88471586d2e587027577c07a36fa75813d5f6a72868a6d129d1631152ff647e7b16916c2397bd1113
ripemd-160
300c8fd3a4589ed8415319457f18376e8a1b8b47
Diameter
42487438
Circumference
133478223.09065
Area
1.4177869319786E+15
Volume
4.0158756246433E+22
Surface area
5.6711477279142E+15
Circumference
133478223.09065
Perimeter
84974876
Area
451295596950961
Diagonal
30043155.525043
Surface area
2707773581705766
Volume
9.5871968475635E+21
Space diagonal
36795200.649716
Perimeter
63731157
Area
1.954167257878E+14
Altitude
18397600.324858
Surface area
1.954167257878E+14
Volume
1.1298619839137E+21
Height
10014385.175014