21108545 is an odd 8-digits composite number following 21108544
and preceding 21108546 . In scientific notation, it is written as 2.1108545 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 16862464 positive integers (up to 21108545) that are relatively prime to 21108545.
21108545 has 8 divisors, whose sum is 25366824
The reverse of 21108545 is 54580112
Previous prime number is 797
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred eight thousand five hundred forty-five
Scientific notation
2.1108545 × 10^7
Engineering notation
2.1108545 × 10^6
Prime Factorization
5 × 797 × 5297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21108545
Product of the distinct prime numbers
The prime factorization of 21108545 is 5 × 797 × 5297.
Since it has a total of 3 prime factors.
3 , 3 , 40 , 13 , 637 , 106 , 4118 , 7935 , 86331 , 21590 , 213027 , 475098 , 6211775 , 6037519 , 22681188 , 2237880 , 377881210 , 485372734 , 5788835971 , 3734512736
n×2
42217090
n×3
63325635
n×4
84434180
n×5
105542725
n÷2
10554272.5
n÷3
7036181.6666667
n÷3
5277136.25
n÷5
4221709
n2
445570672017025
n3
9.4053485809516E+21
n4
1.985332237617E+29
n5
4.190747487769E+36
2 √n
4594.4036609771
3 √n
276.36694611097
4 √n
67.782030516776
5 √n
29.166993156028
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
-21108544
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 21108545 can be divided by 8 positive divisors.
The sum of these divisors (counting 21108545) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100001011101000001
3
Ternary
1110201102110222
4
Quaternary
1100201131001
5
Quinary
20400433140
6
Senary
2032232425
8
Octal
120413501
10
Decimal
21108545
12
Duodecimal
709b715
16
Hexadecimal
1421741
20
Vigesimal
6bib75
36
Base36
ckfgh
md5
c7003d259f503c9f9ab1c7caaaa6a9a4
sha1
13d438876c1fab2dbd2c17e9888147f835578e26
sha256
3bf4f45242741c63b61f38558ac9362db287f1f58276c30797999c7b489c9791
sha512
4b4ce97df2ff7b4133c335f561def2d9062073e1fc3384c2f2a2828b9961a5f5023393ba9b717c7abb90e406e8c83bd7fbe9ccb8ec802933c9a4f2ffbda73cf4
ripemd-160
636b70bc4864eaeb2fda35118144c86feb7ed862
Diameter
42217090
Circumference
132628899.79994
Area
1.3998015498638E+15
Volume
3.9397032008492E+22
Surface area
5.599206199455E+15
Circumference
132628899.79994
Perimeter
84434180
Area
445570672017025
Diagonal
29851990.620963
Surface area
2673424032102150
Volume
9.4053485809516E+21
Space diagonal
36561072.413854
Perimeter
63325635
Area
1.9293776057402E+14
Altitude
18280536.206927
Surface area
1.9293776057402E+14
Volume
1.108430960169E+21
Height
9950663.5403209