21306280 is an even 8-digits composite number following 21306279
and preceding 21306281 . In scientific notation, it is written as 2.1306280 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors.
There are 8151616 positive integers (up to 21306280) that are relatively prime to 21306280.
21306280 has 32 divisors, whose sum is 50025600
The reverse of 21306280 is 08260312
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million three hundred six thousand two hundred eighty
Scientific notation
2.1306280 × 10^7
Engineering notation
2.1306280 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 23 × 23159
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5326570
Product of the distinct prime numbers
The prime factorization of 21306280 is 2 × 2 × 2 × 5 × 23 × 23159.
Since it has a total of 6 prime factors.
2 , 5 , 80 , 18 , 765 , 22 , 6711 , 4378 , 75993 , 79227 , 18444 , 3796 , 7478794 , 6516613 , 82645899 , 6265183 , 777387083 , 241714744 , 8602214673 , 146890312
n×2
42612560
n×3
63918840
n×4
85225120
n×5
106531400
n÷2
10653140
n÷3
7102093.3333333
n÷3
5326570
n÷5
4261256
n2
453957567438400
n3
9.6721470399614E+21
n4
2.0607747303459E+29
n5
4.3907443421674E+36
2 √n
4615.8726152267
3 √n
277.22722431327
4 √n
67.940213535334
5 √n
29.221434101903
1 , 2 , 4 , 5 , 8 , 10 , 20 , 23 , 40 , 46 , 92 , 115 , 184 , 230 , 460 , 920 , 23159 , 46318 , 92636 , 115795 , 185272 , 231590 , 463180 , 532657 , 926360 , 1065314 , 2130628 , 2663285 , 4261256 , 5326570 , 10653140 , 21306280
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21306279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21306280 can be divided by 32 positive divisors.
The sum of these divisors (counting 21306280) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001010001101110101000
3
Ternary
1111002110201111
4
Quaternary
1101101232220
5
Quinary
20423300110
6
Senary
2040400104
8
Octal
121215650
10
Decimal
21306280
12
Duodecimal
7176034
16
Hexadecimal
1451ba8
20
Vigesimal
6d35e0
36
Base36
coo14
md5
f76c8970ac24edfd4784eb3d72047dc5
sha1
2716e1f9e276ab69f24e42037c4115e9cdad3e71
sha256
9ce71a234f93783783df85512b2b791447ea64d75c5ad632632d6407faf00438
sha512
ee4701ef8a76f57b4bafde6916d2c6cbcfea7f31c6c7eb434a69331b98862653a6b3307e0ed8866ec2d744799831f808fe4bbc92ec613786d009a042d9466c65
ripemd-160
2fce7524e3783836e4225282b6ffa08eafc9f5fd
Diameter
42612560
Circumference
133871305.44665
Area
1.426149758906E+15
Volume
4.0514594780244E+22
Surface area
5.7045990356239E+15
Circumference
133871305.44665
Perimeter
85225120
Area
453957567438400
Diagonal
30131630.139719
Surface area
2723745404630400
Volume
9.6721470399614E+21
Space diagonal
36903559.480289
Perimeter
63918840
Area
1.9656939282092E+14
Altitude
18451779.740144
Surface area
1.9656939282092E+14
Volume
1.1398734600984E+21
Height
10043876.71324