21232645 is an odd 8-digits composite number following 21232644
and preceding 21232646 . In scientific notation, it is written as 2.1232645 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 14382144 positive integers (up to 21232645) that are relatively prime to 21232645.
21232645 has 16 divisors, whose sum is 29473920
The reverse of 21232645 is 54623212
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two hundred thirty-two thousand six hundred forty-five
Scientific notation
2.1232645 × 10^7
Engineering notation
2.1232645 × 10^6
Prime Factorization
7 × 5 × 83 × 7309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21232645
Product of the distinct prime numbers
The prime factorization of 21232645 is 7 × 5 × 83 × 7309.
Since it has a total of 4 prime factors.
2 , 8 , 4 , 42 , 109 , 384 , 6854 , 6479 , 87915 , 95919 , 659147 , 365679 , 1203340 , 6636441 , 65630982 , 7624914 , 741512024 , 696288605 , 4278275320 , 4010750115
n×2
42465290
n×3
63697935
n×4
84930580
n×5
106163225
n÷2
10616322.5
n÷3
7077548.3333333
n÷3
5308161.25
n÷5
4246529
n2
450825213696025
n3
9.5722117194568E+21
n4
2.0324337330407E+29
n5
4.3153943939677E+36
2 √n
4607.889430097
3 √n
276.90748777589
4 √n
67.881436564771
5 √n
29.20120813058
1 , 5 , 7 , 35 , 83 , 415 , 581 , 2905 , 7309 , 36545 , 51163 , 255815 , 606647 , 3033235 , 4246529 , 21232645
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
-21232644
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 21232645 can be divided by 16 positive divisors.
The sum of these divisors (counting 21232645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000111111110000000101
3
Ternary
1110221201201021
4
Quaternary
1100333300011
5
Quinary
20413421040
6
Senary
2035031141
8
Octal
120776005
10
Decimal
21232645
12
Duodecimal
713b4b1
16
Hexadecimal
143fc05
20
Vigesimal
6ce1c5
36
Base36
cn37p
md5
6a1880eb4ca60911572d0b1eafeca164
sha1
0bc6267e1ea28dc0b18ac19f75f19842332ef0d5
sha256
c3b65a934aa386cade9c565f94fdedf8c4dca40c0ff3584578d3fdee9c65bd65
sha512
987a11fee7acdf025d72e587797d964454559c55f04648dbf00551353c16a47ce1b1fc63a7d259e7b5f2e837c691aba8bc1a48a28783357dd909acc90adef46d
ripemd-160
526a4cc44a1172f8030d8222b5a48fd8901e7d4a
Diameter
42465290
Circumference
133408643.09656
Area
1.4163091794005E+15
Volume
4.0095986688602E+22
Surface area
5.6652367176019E+15
Circumference
133408643.09656
Perimeter
84930580
Area
450825213696025
Diagonal
30027494.524053
Surface area
2704951282176150
Volume
9.5722117194568E+21
Space diagonal
36776019.919073
Perimeter
63697935
Area
1.9521304386365E+14
Altitude
18388009.959537
Surface area
1.9521304386365E+14
Volume
1.1280959696302E+21
Height
10009164.841351