20943645 is an odd 8-digits composite number following 20943644
and preceding 20943646 . In scientific notation, it is written as 2.0943645 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11064704 positive integers (up to 20943645) that are relatively prime to 20943645.
20943645 has 16 divisors, whose sum is 33825600
The reverse of 20943645 is 54634902
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred forty-three thousand six hundred forty-five
Scientific notation
2.0943645 × 10^7
Engineering notation
2.0943645 × 10^6
Prime Factorization
3 × 5 × 107 × 13049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20943645
Product of the distinct prime numbers
The prime factorization of 20943645 is 3 × 5 × 107 × 13049.
Since it has a total of 4 prime factors.
7 , 3 , 38 , 78 , 334 , 850 , 3994 , 3136 , 2853 , 62327 , 776351 , 718141 , 2199632 , 7148454 , 75816177 , 39553735 , 873594326 , 809137925 , 8813340371 , 7178505106
n×2
41887290
n×3
62830935
n×4
83774580
n×5
104718225
n÷2
10471822.5
n÷3
6981215
n÷3
5235911.25
n÷5
4188729
n2
438636265886025
n3
9.1866422368425E+21
n4
1.9240177375044E+29
n5
4.0295944467994E+36
2 √n
4576.4227296001
3 √n
275.64540421033
4 √n
67.649262594651
5 √n
29.121279563148
1 , 3 , 5 , 15 , 107 , 321 , 535 , 1605 , 13049 , 39147 , 65245 , 195735 , 1396243 , 4188729 , 6981215 , 20943645
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
-20943644
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 20943645 can be divided by 16 positive divisors.
The sum of these divisors (counting 20943645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111111001001100011101
3
Ternary
1110102001021120
4
Quaternary
1033321030131
5
Quinary
20330144040
6
Senary
2024521153
8
Octal
117711435
10
Decimal
20943645
12
Duodecimal
70201b9
16
Hexadecimal
13f931d
20
Vigesimal
6ahj25
36
Base36
cgw7x
md5
34e12d50e3bc6e72fb00dff3b57c605c
sha1
36d82adf30751a9e289a6bfe93b94302723e4faa
sha256
a30894df437111c7424eee292c236e7d653e9fe5100be472170061cfd3b079e6
sha512
153128fae46c5690b0e4dfe7a2bdbf7e4d9ad3ef7c82e3e26c0e0daf505c97767ec698178f27f4bbc4d0c6411d5b26f2db791f71bf46b88470c25ad166cd7b3f
ripemd-160
f9a5190600b30d51ab184a6a0a92a38606b32ae1
Diameter
41887290
Circumference
131592802.54279
Area
1.3780164705056E+15
Volume
3.8480917016563E+22
Surface area
5.5120658820224E+15
Circumference
131592802.54279
Perimeter
83774580
Area
438636265886025
Diagonal
29618786.804527
Surface area
2631817595316150
Volume
9.1866422368425E+21
Space diagonal
36275457.235686
Perimeter
62830935
Area
1.8993507463922E+14
Altitude
18137728.617843
Surface area
1.8993507463922E+14
Volume
1.0826561703343E+21
Height
9872928.9348425