21306788 is an even 8-digits composite number following 21306787
and preceding 21306789 . In scientific notation, it is written as 2.1306788 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 10380608 positive integers (up to 21306788) that are relatively prime to 21306788.
21306788 has 24 divisors, whose sum is 38253600
The reverse of 21306788 is 88760312
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million three hundred six thousand seven hundred eighty-eight
Scientific notation
2.1306788 × 10^7
Engineering notation
2.1306788 × 10^6
Prime Factorization
2 × 2 × 659 × 59 × 137
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10653394
Product of the distinct prime numbers
The prime factorization of 21306788 is 2 × 2 × 659 × 59 × 137.
Since it has a total of 5 prime factors.
5 , 10 , 57 , 6 , 616 , 777 , 3635 , 1704 , 6467 , 96450 , 601744 , 749926 , 5670739 , 5071113 , 42126479 , 28488598 , 140978561 , 878870129 , 3509291371 , 4174670154
n×2
42613576
n×3
63920364
n×4
85227152
n×5
106533940
n÷2
10653394
n÷3
7102262.6666667
n÷3
5326697
n÷5
4261357.6
n2
453979214876944
n3
9.6728388877895E+21
n4
2.0609712754029E+29
n5
4.3912678039098E+36
2 √n
4615.9276424138
3 √n
277.2294275809
4 √n
67.940618501849
5 √n
29.221573444359
1 , 2 , 4 , 59 , 118 , 137 , 236 , 274 , 548 , 659 , 1318 , 2636 , 8083 , 16166 , 32332 , 38881 , 77762 , 90283 , 155524 , 180566 , 361132 , 5326697 , 10653394 , 21306788
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
-21306787
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 21306788 can be divided by 24 positive divisors.
The sum of these divisors (counting 21306788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001010001110110100100
3
Ternary
1111002111102022
4
Quaternary
1101101312210
5
Quinary
20423304123
6
Senary
2040402312
8
Octal
121216644
10
Decimal
21306788
12
Duodecimal
7176398
16
Hexadecimal
1451da4
20
Vigesimal
6d36j8
36
Base36
coof8
md5
92b6fcb6e337625b5e184d105c36c624
sha1
5ebda9bfa2ec98abd13e81ca49af74c6b04fd7d2
sha256
45732a45a98f1ead51a65696bef296cc63e26253020d45b97800d93e2293d539
sha512
21588131cdda61841a07c9f1fc32da2a8ce4fac5ed11a3a182617e8f40d231dae6b0ec4138f743638f2882f4ccb94f4abe8c5c62fe41ef4f5b87b41dd4a9d778
ripemd-160
eecdea6a81ec06d3275a481f1c973262b7025a5f
Diameter
42613576
Circumference
133874497.30479
Area
1.4262177663399E+15
Volume
4.051749278565E+22
Surface area
5.7048710653595E+15
Circumference
133874497.30479
Perimeter
85227152
Area
453979214876944
Diagonal
30132348.560208
Surface area
2723875289261664
Volume
9.6728388877895E+21
Space diagonal
36904439.362099
Perimeter
63920364
Area
1.9657876643677E+14
Altitude
18452219.681049
Surface area
1.9657876643677E+14
Volume
1.1399549951468E+21
Height
10044116.186736