21491336 is an even 8-digits composite number following 21491335
and preceding 21491337 . In scientific notation, it is written as 2.1491336 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 10663120 positive integers (up to 21491336) that are relatively prime to 21491336.
21491336 has 16 divisors, whose sum is 40605840
The reverse of 21491336 is 63319412
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety-one thousand three hundred thirty-six
Scientific notation
2.1491336 × 10^7
Engineering notation
2.1491336 × 10^6
Prime Factorization
2 × 2 × 2 × 131 × 20507
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5372834
Product of the distinct prime numbers
The prime factorization of 21491336 is 2 × 2 × 2 × 131 × 20507.
Since it has a total of 5 prime factors.
7 , 10 , 81 , 45 , 784 , 748 , 8111 , 8942 , 91342 , 65906 , 819116 , 223631 , 301405 , 923543 , 44403061 , 33858576 , 69792781 , 956883093 , 3513692965 , 7536664208
n×2
42982672
n×3
64474008
n×4
85965344
n×5
107456680
n÷2
10745668
n÷3
7163778.6666667
n÷3
5372834
n÷5
4298267.2
n2
461877523064896
n3
9.9263650390354E+21
n4
2.1333084631256E+29
n5
4.5847648972677E+36
2 √n
4635.8748904603
3 √n
278.02753207992
4 √n
68.087259384266
5 √n
29.272019299342
1 , 2 , 4 , 8 , 131 , 262 , 524 , 1048 , 20507 , 41014 , 82028 , 164056 , 2686417 , 5372834 , 10745668 , 21491336
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
-21491335
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 21491336 can be divided by 16 positive divisors.
The sum of these divisors (counting 21491336) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110111010001000
3
Ternary
1111102212120102
4
Quaternary
1101332322020
5
Quinary
21000210321
6
Senary
2044344532
8
Octal
121767210
10
Decimal
21491336
12
Duodecimal
7245148
16
Hexadecimal
147ee88
20
Vigesimal
6e686g
36
Base36
csmtk
md5
83c54fc0db4f7cd67d80647a011e8b43
sha1
bc9ac1edf128a7612c0d3d6c72ed13491670b6d7
sha256
ed1429886469131d78e755efe2a7b5d413b912f93276f1a8793cac8e39914c19
sha512
1b09af822a0a2c40c02ef2458adb0ab34105c2ef2c36104dd82fd2abb22bc415a8f438f78097a7ee242d6e05cd75beeacfdd91d5a57e90f24e561e1728de587d
ripemd-160
d996e4131e46b889a01266dcdc5bacb15968afd4
Diameter
42982672
Circumference
135034046.58686
Area
1.4510310333189E+15
Volume
4.1579460644646E+22
Surface area
5.8041241332757E+15
Circumference
135034046.58686
Perimeter
85965344
Area
461877523064896
Diagonal
30393338.844717
Surface area
2771265138389376
Volume
9.9263650390354E+21
Space diagonal
37224085.874534
Perimeter
64474008
Area
1.9999883420562E+14
Altitude
18612042.937267
Surface area
1.9999883420562E+14
Volume
1.1698333386058E+21
Height
10131112.948239