21091353 is an odd 8-digits composite number following 21091352
and preceding 21091354 . In scientific notation, it is written as 2.1091353 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 14060900 positive integers (up to 21091353) that are relatively prime to 21091353.
21091353 has 4 divisors, whose sum is 28121808
The reverse of 21091353 is 35319012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million ninety-one thousand three hundred fifty-three
Scientific notation
2.1091353 × 10^7
Engineering notation
2.1091353 × 10^6
Prime Factorization
3 × 7030451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21091353
Product of the distinct prime numbers
The prime factorization of 21091353 is 3 × 7030451.
Since it has a total of 2 prime factors.
9 , 8 , 86 , 31 , 462 , 125 , 1986 , 124 , 47327 , 71596 , 562130 , 232929 , 3515919 , 7142532 , 35638898 , 1211023 , 783487177 , 388194247 , 6221207038 , 4159802893
n×2
42182706
n×3
63274059
n×4
84365412
n×5
105456765
n÷2
10545676.5
n÷3
7030451
n÷3
5272838.25
n÷5
4218270.6
n2
444845171370609
n3
9.382386539723E+21
n4
1.9788722649175E+29
n5
4.1737093481284E+36
2 √n
4592.5323079974
3 √n
276.29189607742
4 √n
67.768224914022
5 √n
29.162240555729
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21091352
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21091353 can be divided by 4 positive divisors.
The sum of these divisors (counting 21091353) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011101010000011001
3
Ternary
1110200112220020
4
Quaternary
1100131100121
5
Quinary
20344410403
6
Senary
2032021053
8
Octal
120352031
10
Decimal
21091353
12
Duodecimal
7091789
16
Hexadecimal
141d419
20
Vigesimal
6bg87d
36
Base36
ck26x
md5
7a9057906d47d6247d682f0aebc23455
sha1
9b0750b8bff5dc9243551dea2b0792af495dea42
sha256
8298a015e998b87f8fa85d029fc0e241c1e9b2d006373c78bad93222fc836fae
sha512
6229c918d0afcb94d903bdfb48f165f1b28e9da7276801aa7ffa54a4041ac23018bd9f1b14e7bf721e10d45d19e2d57367753f4d4d8516c67c5eaa3fc1f69213
ripemd-160
5ae2827078689960d03ba450e1c833cb527169f3
Diameter
42182706
Circumference
132520879.27814
Area
1.3975223223628E+15
Volume
3.9300848835111E+22
Surface area
5.5900892894512E+15
Circumference
132520879.27814
Perimeter
84365412
Area
444845171370609
Diagonal
29827677.461398
Surface area
2669071028223654
Volume
9.382386539723E+21
Space diagonal
36531294.99637
Perimeter
63274059
Area
1.9262360957889E+14
Altitude
18265647.498185
Surface area
1.9262360957889E+14
Volume
1.1057248576586E+21
Height
9942559.1537995