21108725 is an odd 8-digits composite number following 21108724
and preceding 21108726 . In scientific notation, it is written as 2.1108725 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 15080000 positive integers (up to 21108725) that are relatively prime to 21108725.
21108725 has 16 divisors, whose sum is 24373440
The reverse of 21108725 is 52780112
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred eight thousand seven hundred twenty-five
Scientific notation
2.1108725 × 10^7
Engineering notation
2.1108725 × 10^6
Prime Factorization
25 × 11 × 59 × 1301
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21108725
Product of the distinct prime numbers
The prime factorization of 21108725 is 25 × 11 × 59 × 1301.
Since it has a total of 4 prime factors.
5 , 8 , 54 , 44 , 370 , 651 , 591 , 3910 , 37250 , 56389 , 307682 , 528539 , 1958592 , 8952255 , 99912976 , 64601030 , 256487579 , 402421877 , 9233196854 , 1525823734
n×2
42217450
n×3
63326175
n×4
84434900
n×5
105543625
n÷2
10554362.5
n÷3
7036241.6666667
n÷3
5277181.25
n÷5
4221745
n2
445578271125625
n3
9.4055891911663E+21
n4
1.985399956993E+29
n5
4.1909261707177E+36
2 √n
4594.4232499847
3 √n
276.36773166818
4 √n
67.782175016627
5 √n
29.167042899304
1 , 11 , 25 , 59 , 275 , 649 , 1301 , 1475 , 14311 , 16225 , 32525 , 76759 , 357775 , 844349 , 1918975 , 21108725
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
-21108724
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 21108725 can be divided by 16 positive divisors.
The sum of these divisors (counting 21108725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100001011111110101
3
Ternary
1110201102201122
4
Quaternary
1100201133311
5
Quinary
20400434400
6
Senary
2032233325
8
Octal
120413765
10
Decimal
21108725
12
Duodecimal
709b845
16
Hexadecimal
14217f5
20
Vigesimal
6bibg5
36
Base36
ckflh
md5
0f50fcc466ad2a18a230c38b09162e88
sha1
af6239640e82d8fbcb8df0ff26b67771aa0b27a0
sha256
d36bad4a777c33e63a7c9e13cb3e9720adf90fe63d44111975c8c28738cec423
sha512
dafd3952ea9dd1c74b63acf77fc24d65148731dba9550d188922c60d19e443bc3a2bacb204bba2d8d037f85e97cfd66b4a6549595ecf74beb372a540b631f790
ripemd-160
0fe0e9ba7e9a11909d21958bd055cabe6584d1f4
Diameter
42217450
Circumference
132630030.77329
Area
1.3998254231675E+15
Volume
3.9398039874202E+22
Surface area
5.59930169267E+15
Circumference
132630030.77329
Perimeter
84434900
Area
445578271125625
Diagonal
29852245.179404
Surface area
2673469626753750
Volume
9.4055891911663E+21
Space diagonal
36561384.182999
Perimeter
63326175
Area
1.9294105108457E+14
Altitude
18280692.0915
Surface area
1.9294105108457E+14
Volume
1.1084593163548E+21
Height
9950748.3931347