21242486 is an even 8-digits composite number following 21242485
and preceding 21242487 . In scientific notation, it is written as 2.1242486 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9932544 positive integers (up to 21242486) that are relatively prime to 21242486.
21242486 has 16 divisors, whose sum is 33953904
The reverse of 21242486 is 68424212
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million two hundred forty-two thousand four hundred eighty-six
Scientific notation
2.1242486 × 10^7
Engineering notation
2.1242486 × 10^6
Prime Factorization
2 × 17 × 163 × 3833
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21242486
Product of the distinct prime numbers
The prime factorization of 21242486 is 2 × 17 × 163 × 3833.
Since it has a total of 4 prime factors.
10 , 1 , 38 , 88 , 311 , 137 , 9379 , 3152 , 33360 , 66222 , 134648 , 170772 , 6645075 , 2942939 , 49354123 , 58639538 , 489328942 , 906760928 , 1326529173 , 7295445667
n×2
42484972
n×3
63727458
n×4
84969944
n×5
106212430
n÷2
10621243
n÷3
7080828.6666667
n÷3
5310621.5
n÷5
4248497.2
n2
451243211460196
n3
9.5855276020383E+21
n4
2.0362043588891E+29
n5
4.3254042586841E+36
2 √n
4608.957148857
3 √n
276.95026193631
4 √n
67.889300695006
5 √n
29.203914489845
1 , 2 , 17 , 34 , 163 , 326 , 2771 , 3833 , 5542 , 7666 , 65161 , 130322 , 624779 , 1249558 , 10621243 , 21242486
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
-21242485
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 21242486 can be divided by 16 positive divisors.
The sum of these divisors (counting 21242486) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000010001001110110
3
Ternary
1110222020012202
4
Quaternary
1101002021312
5
Quinary
20414224421
6
Senary
2035144502
8
Octal
121021166
10
Decimal
21242486
12
Duodecimal
7145132
16
Hexadecimal
1442276
20
Vigesimal
6cf646
36
Base36
cnat2
md5
851e21579a06a5583fb0a05c4665919b
sha1
f1b9de801ce0052edbce7650d9610d79adbdffe5
sha256
47a901b5da08827eec69e1c381642c3c43880fe0da436a4a375aff100bb83d2c
sha512
7a3cb434d576871820cf087471cd4b3d3cd7ede25ef5d196548c3a139cb8f150d907d039c011145ad203007f9e362952d8b604a1c36de61f3c7e4f0d50fcab55
ripemd-160
1883b3710cef3f9135055a06f6e4f95293e307e2
Diameter
42484972
Circumference
133470475.92317
Area
1.4176223581056E+15
Volume
4.0151764127127E+22
Surface area
5.6704894324225E+15
Circumference
133470475.92317
Perimeter
84969944
Area
451243211460196
Diagonal
30041411.799721
Surface area
2707459268761176
Volume
9.5855276020383E+21
Space diagonal
36793065.031071
Perimeter
63727458
Area
1.953940422049E+14
Altitude
18396532.515535
Surface area
1.953940422049E+14
Volume
1.129665261442E+21
Height
10013803.93324