21091325 is an odd 8-digits composite number following 21091324
and preceding 21091326 . In scientific notation, it is written as 2.1091325 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 16704000 positive integers (up to 21091325) that are relatively prime to 21091325.
21091325 has 12 divisors, whose sum is 26415348
The reverse of 21091325 is 52319012
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million ninety-one thousand three hundred twenty-five
Scientific notation
2.1091325 × 10^7
Engineering notation
2.1091325 × 10^6
Prime Factorization
5 × 5 × 101 × 8353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4218265
Product of the distinct prime numbers
The prime factorization of 21091325 is 5 × 5 × 101 × 8353.
Since it has a total of 4 prime factors.
4 , 10 , 17 , 39 , 664 , 439 , 8351 , 1729 , 38254 , 30227 , 605341 , 38678 , 4878014 , 5935931 , 84677194 , 70033 , 169478116 , 786829950 , 3723835987 , 1541182011
n×2
42182650
n×3
63273975
n×4
84365300
n×5
105456625
n÷2
10545662.5
n÷3
7030441.6666667
n÷3
5272831.25
n÷5
4218265
n2
444843990255625
n3
9.3823491727782E+21
n4
1.9788617566655E+29
n5
4.1736816439902E+36
2 √n
4592.5292595693
3 √n
276.29177381284
4 √n
67.768202422444
5 √n
29.16223281281
1 , 5 , 25 , 101 , 505 , 2525 , 8353 , 41765 , 208825 , 843653 , 4218265 , 21091325
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21091324
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21091325 can be divided by 12 positive divisors.
The sum of these divisors (counting 21091325) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011101001111111101
3
Ternary
1110200112212012
4
Quaternary
1100131033331
5
Quinary
20344410300
6
Senary
2032021005
8
Octal
120351775
10
Decimal
21091325
12
Duodecimal
7091765
16
Hexadecimal
141d3fd
20
Vigesimal
6bg865
36
Base36
ck265
md5
e122123a30ad4cc1f84ffb428dc54e6c
sha1
4ebca1cb1ec87817025fe4728313e92a2659ba6b
sha256
057d413838cf5e69926cf5583f0a814a5d1d68baf5334b97b0ede0547d5a2c08
sha512
81704ceb9550af230ad7b10964d8e56423245529da37c136ce0fd65b1b05b7de3d7e6704b95e740e0f348c6e26effedd27ef7cba221e082a358512259238e485
ripemd-160
b24f42ee3c9fd0847511b4f62882351c33324781
Diameter
42182650
Circumference
132520703.34895
Area
1.3975186117806E+15
Volume
3.9300692312819E+22
Surface area
5.5900744471226E+15
Circumference
132520703.34895
Perimeter
84365300
Area
444843990255625
Diagonal
29827637.863419
Surface area
2669063941533750
Volume
9.3823491727782E+21
Space diagonal
36531246.498948
Perimeter
63273975
Area
1.926230981411E+14
Altitude
18265623.249474
Surface area
1.926230981411E+14
Volume
1.1057204539219E+21
Height
9942545.9544729