21491362 is an even 8-digits composite number following 21491361
and preceding 21491363 . In scientific notation, it is written as 2.1491362 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 10641252 positive integers (up to 21491362) that are relatively prime to 21491362.
21491362 has 8 divisors, whose sum is 32550336
The reverse of 21491362 is 26319412
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety-one thousand three hundred sixty-two
Scientific notation
2.1491362 × 10^7
Engineering notation
2.1491362 × 10^6
Prime Factorization
2 × 103 × 104327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21491362
Product of the distinct prime numbers
The prime factorization of 21491362 is 2 × 103 × 104327.
Since it has a total of 3 prime factors.
1 , 6 , 90 , 6 , 738 , 907 , 7654 , 8306 , 52613 , 52649 , 930219 , 599665 , 9259265 , 1848347 , 61386585 , 91067760 , 485681047 , 895848033 , 9436892196 , 5946401611
n×2
42982724
n×3
64474086
n×4
85965448
n×5
107456810
n÷2
10745681
n÷3
7163787.3333333
n÷3
5372840.5
n÷5
4298272.4
n2
461878640615044
n3
9.9264010655258E+21
n4
2.133318786564E+29
n5
4.5847926303448E+36
2 √n
4635.8776946766
3 √n
278.02764419817
4 √n
68.087279977075
5 √n
29.272026381937
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21491361
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21491362 can be divided by 8 positive divisors.
The sum of these divisors (counting 21491362) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110111010100010
3
Ternary
1111102212121101
4
Quaternary
1101332322202
5
Quinary
21000210422
6
Senary
2044345014
8
Octal
121767242
10
Decimal
21491362
12
Duodecimal
724516a
16
Hexadecimal
147eea2
20
Vigesimal
6e6882
36
Base36
csmua
md5
6af0b3c3419a3b39739cbfc044a2203d
sha1
c08e77ea0f0fe183422ccefe43a47b4943a890ce
sha256
8cdeb37f29c81c4092b35462b17fb415039c424956f1804e3cc39b2c3dfdf376
sha512
827de9e1a970a426bc3094a4f2ca4f8b9f4ffca1df8d192c667f1f47fbe645f3688b1a11ddb9335c578a56c72f7e4297a686d899f8e90692d3374a35cb3b3368
ripemd-160
445a09d1e75edb0f2aa98ef944ba2497efdf9544
Diameter
42982724
Circumference
135034209.94968
Area
1.4510345442063E+15
Volume
4.1579611552056E+22
Surface area
5.804138176825E+15
Circumference
135034209.94968
Perimeter
85965448
Area
461878640615044
Diagonal
30393375.61427
Surface area
2771271843690264
Volume
9.9264010655258E+21
Space diagonal
37224130.907855
Perimeter
64474086
Area
1.9999931811903E+14
Altitude
18612065.453928
Surface area
1.9999931811903E+14
Volume
1.1698375843684E+21
Height
10131125.204757