21242708 is an even 8-digits composite number following 21242707
and preceding 21242709 . In scientific notation, it is written as 2.1242708 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 10017216 positive integers (up to 21242708) that are relatively prime to 21242708.
21242708 has 24 divisors, whose sum is 39334848
The reverse of 21242708 is 80724212
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million two hundred forty-two thousand seven hundred eight
Scientific notation
2.1242708 × 10^7
Engineering notation
2.1242708 × 10^6
Prime Factorization
2 × 2 × 23 × 73 × 3163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10621354
Product of the distinct prime numbers
The prime factorization of 21242708 is 2 × 2 × 23 × 73 × 3163.
Since it has a total of 5 prime factors.
6 , 9 , 41 , 93 , 779 , 305 , 1303 , 7005 , 45663 , 31871 , 573217 , 979860 , 3305145 , 2168645 , 94909021 , 57579714 , 907529427 , 652998547 , 3506958214 , 4695979215
n×2
42485416
n×3
63728124
n×4
84970832
n×5
106213540
n÷2
10621354
n÷3
7080902.6666667
n÷3
5310677
n÷5
4248541.6
n2
451252643173264
n3
9.5858281331578E+21
n4
2.0362894797086E+29
n5
4.3256302820921E+36
2 √n
4608.9812323332
3 √n
276.95122671265
4 √n
67.88947806791
5 √n
29.203975530177
1 , 2 , 4 , 23 , 46 , 73 , 92 , 146 , 292 , 1679 , 3163 , 3358 , 6326 , 6716 , 12652 , 72749 , 145498 , 230899 , 290996 , 461798 , 923596 , 5310677 , 10621354 , 21242708
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
-21242707
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 21242708 can be divided by 24 positive divisors.
The sum of these divisors (counting 21242708) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001000010001101010100
3
Ternary
1110222020111222
4
Quaternary
1101002031110
5
Quinary
20414231313
6
Senary
2035145512
8
Octal
121021524
10
Decimal
21242708
12
Duodecimal
7145298
16
Hexadecimal
1442354
20
Vigesimal
6cf6f8
36
Base36
cnaz8
md5
9f3f8a429d8c55ae660a99688438c00e
sha1
d20ce042e74f3de1f7fb152e739f27ab32d9126a
sha256
2ee558b4ae445a81782e761dd020c671748f0838d5680794b45d0cee0ff7e4b8
sha512
1c1002639ff4689918f9627a6844ca0f7c05888cc218bf5fe6890482a1d0cbab2a3d2445e2c74a602bdf976cf14c7f337ae8f6a7c5fce9892202caaab8d477d1
ripemd-160
a6847a09fe8ff7412190b41a75a0fba2458c50be
Diameter
42485416
Circumference
133471870.79031
Area
1.4176519887061E+15
Volume
4.0153022988937E+22
Surface area
5.6706079548244E+15
Circumference
133471870.79031
Perimeter
84970832
Area
451252643173264
Diagonal
30041725.755131
Surface area
2707515859039584
Volume
9.5858281331578E+21
Space diagonal
36793449.54635
Perimeter
63728124
Area
1.9539812625646E+14
Altitude
18396724.773175
Surface area
1.9539812625646E+14
Volume
1.1297006793741E+21
Height
10013908.585044