21204788 is an even 8-digits composite number following 21204787
and preceding 21204789 . In scientific notation, it is written as 2.1204788 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 9610400 positive integers (up to 21204788) that are relatively prime to 21204788.
21204788 has 24 divisors, whose sum is 40600224
The reverse of 21204788 is 88740212
Previous prime number is 821
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred four thousand seven hundred eighty-eight
Scientific notation
2.1204788 × 10^7
Engineering notation
2.1204788 × 10^6
Prime Factorization
2 × 2 × 11 × 821 × 587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10602394
Product of the distinct prime numbers
The prime factorization of 21204788 is 2 × 2 × 11 × 821 × 587.
Since it has a total of 5 prime factors.
1 , 9 , 20 , 39 , 308 , 414 , 9943 , 8462 , 18590 , 15244 , 973167 , 536607 , 2202079 , 3047739 , 6054132 , 22369359 , 451213923 , 635249482 , 5786552423 , 6781309685
n×2
42409576
n×3
63614364
n×4
84819152
n×5
106023940
n÷2
10602394
n÷3
7068262.6666667
n÷3
5301197
n÷5
4240957.6
n2
449643034124944
n3
9.5345852142962E+21
n4
2.0217885813709E+29
n5
4.287159824879E+36
2 √n
4604.8656875092
3 √n
276.78633490292
4 √n
67.859160674954
5 √n
29.193541772569
1 , 2 , 4 , 11 , 22 , 44 , 587 , 821 , 1174 , 1642 , 2348 , 3284 , 6457 , 9031 , 12914 , 18062 , 25828 , 36124 , 481927 , 963854 , 1927708 , 5301197 , 10602394 , 21204788
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
-21204787
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 21204788 can be divided by 24 positive divisors.
The sum of these divisors (counting 21204788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000111000111100110100
3
Ternary
1110220022111112
4
Quaternary
1100320330310
5
Quinary
20412023123
6
Senary
2034254152
8
Octal
120707464
10
Decimal
21204788
12
Duodecimal
7127358
16
Hexadecimal
1438f34
20
Vigesimal
6cabj8
36
Base36
cmhpw
md5
c0e171022793645f1b36b416bd7e4e1f
sha1
a9bb05b388b0a02756d48dd781bf6c5e04dc8fca
sha256
9100d5464fcaa00b8ca4b6591899b1f1808d468a379bdb69637aa722dfc6dbac
sha512
02b324bbad8d3dcab881212ab20880a44626f544acf566d337b47504efab64017d6e5aa2ca14e939a6f0a262a930e4c8323216cd62a506ec02266df06d79c3c3
ripemd-160
ef043cc3c04b483c679fdb164bd383776dbcb37e
Diameter
42409576
Circumference
133233612.40346
Area
1.4125952527447E+15
Volume
3.9938377152345E+22
Surface area
5.650381010979E+15
Circumference
133233612.40346
Perimeter
84819152
Area
449643034124944
Diagonal
29988098.776846
Surface area
2697858204749664
Volume
9.5345852142962E+21
Space diagonal
36727770.179727
Perimeter
63614364
Area
1.9470114509346E+14
Altitude
18363885.089863
Surface area
1.9470114509346E+14
Volume
1.1236616434716E+21
Height
9996032.9256154