20442805 is an odd 8-digits composite number following 20442804
and preceding 20442806 . In scientific notation, it is written as 2.0442805 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 15955200 positive integers (up to 20442805) that are relatively prime to 20442805.
20442805 has 4 divisors, whose sum is 20542732
The reverse of 20442805 is 50824402
Previous prime number is 205
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred forty-two thousand eight hundred five
Scientific notation
2.0442805 × 10^7
Engineering notation
2.0442805 × 10^6
Prime Factorization
205 × 99721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20442805
Product of the distinct prime numbers
The prime factorization of 20442805 is 205 × 99721.
Since it has a total of 2 prime factors.
10 , 8 , 68 , 8 , 382 , 388 , 7023 , 8087 , 73469 , 255 , 872061 , 754036 , 2161825 , 1724294 , 48559490 , 60278600 , 269629884 , 114169820 , 3045337602 , 6641322931
n×2
40885610
n×3
61328415
n×4
81771220
n×5
102214025
n÷2
10221402.5
n÷3
6814268.3333333
n÷3
5110701.25
n÷5
4088561
n2
417908276268025
n3
8.5432173996334E+21
n4
1.7464732737331E+29
n5
3.5702812572638E+36
2 √n
4521.372026277
3 √n
273.43041944114
4 √n
67.241148311707
5 √n
28.980648349792
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20442804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20442805 can be divided by 4 positive divisors.
The sum of these divisors (counting 20442805) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101111110111010110101
3
Ternary
1102110121020221
4
Quaternary
1031332322311
5
Quinary
20213132210
6
Senary
2010054341
8
Octal
115767265
10
Decimal
20442805
12
Duodecimal
6a1a3b1
16
Hexadecimal
137eeb5
20
Vigesimal
67f705
36
Base36
c65rp
md5
e4969f91b73789697b341344385798a8
sha1
1175cddec087597576fa9d0825e2954d1b311ac0
sha256
07897a4956ddb47bd852416e23c6de6f3b3631631007b99e87284747e49a1b29
sha512
894138b620f6dc36598fb6431e343f64c7151d40b85be2c6a52bdc71e5c5b99512cd6f169135d4eb12ca3cb93faa50b00b9d28e5b64c9ddb22cd5f22efe6c980
ripemd-160
5d4984435da449b9c8cdd7382d2242a44a228cc8
Diameter
40885610
Circumference
128445932.01354
Area
1.312897570598E+15
Volume
3.5785745360945E+22
Surface area
5.251590282392E+15
Circumference
128445932.01354
Perimeter
81771220
Area
417908276268025
Diagonal
28910492.083949
Surface area
2507449657608150
Volume
8.5432173996334E+21
Space diagonal
35407976.909223
Perimeter
61328415
Area
1.8095959184994E+14
Altitude
17703988.454612
Surface area
1.8095959184994E+14
Volume
1.0068278260719E+21
Height
9636830.6946495