20245745 is an odd 8-digits composite number following 20245744
and preceding 20245746 . In scientific notation, it is written as 2.0245745 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 14950656 positive integers (up to 20245745) that are relatively prime to 20245745.
20245745 has 8 divisors, whose sum is 26163816
The reverse of 20245745 is 54754202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred forty-five thousand seven hundred forty-five
Scientific notation
2.0245745 × 10^7
Engineering notation
2.0245745 × 10^6
Prime Factorization
13 × 5 × 311473
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20245745
Product of the distinct prime numbers
The prime factorization of 20245745 is 13 × 5 × 311473.
Since it has a total of 3 prime factors.
1 , 6 , 25 , 30 , 131 , 519 , 8142 , 5317 , 63640 , 39545 , 53902 , 299583 , 8999427 , 8088568 , 84522987 , 3869832 , 887221867 , 939139671 , 5309172728 , 4227899852
n×2
40491490
n×3
60737235
n×4
80982980
n×5
101228725
n÷2
10122872.5
n÷3
6748581.6666667
n÷3
5061436.25
n÷5
4049149
n2
409890190605025
n3
8.2985322769907E+21
n4
1.6800996835422E+29
n5
3.4014869767577E+36
2 √n
4499.5271973842
3 √n
272.54899660449
4 √n
67.078515169793
5 √n
28.924559421124
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
-20245744
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 20245745 can be divided by 8 positive divisors.
The sum of these divisors (counting 20245745) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001110110011110001
3
Ternary
1102002120221102
4
Quaternary
1031032303301
5
Quinary
20140330440
6
Senary
2001534145
8
Octal
115166361
10
Decimal
20245745
12
Duodecimal
6944355
16
Hexadecimal
134ecf1
20
Vigesimal
66ae75
36
Base36
c1xpt
md5
1aa2a3ea2d4c714cb09f801e1d2ac00e
sha1
1e72afe752657a42f044850c50ab66e44c10b9a5
sha256
edb513ec16a2e7c3fde21002fbf3b573b5a33acf0721deb0fad610625016015d
sha512
7ea5033ad8ecd849067f57e8d8dc47ceb416b7afa988b749d739e77e379ef868e5b25965b5ce4a43d2a8db396d828b5a43c9e8723ca6f55a3cc71d87ffb2943d
ripemd-160
0dd0128966b3bb89b4c5f22aaf69bd6b6e24afc8
Diameter
40491490
Circumference
127207767.5169
Area
1.2877080115833E+15
Volume
3.4760810715962E+22
Surface area
5.1508320463331E+15
Circumference
127207767.5169
Perimeter
80982980
Area
409890190605025
Diagonal
28631807.159347
Surface area
2459341143630150
Volume
8.2985322769907E+21
Space diagonal
35066658.977084
Perimeter
60737235
Area
1.77487658913E+14
Altitude
17533329.488542
Surface area
1.77487658913E+14
Volume
9.7799140782593E+20
Height
9543935.7197824