20501906 is an even 8-digits composite number following 20501905
and preceding 20501907 . In scientific notation, it is written as 2.0501906 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 10250952 positive integers (up to 20501906) that are relatively prime to 20501906.
20501906 has 4 divisors, whose sum is 30752862
The reverse of 20501906 is 60910502
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million five hundred one thousand nine hundred six
Scientific notation
2.0501906 × 10^7
Engineering notation
2.0501906 × 10^6
Prime Factorization
2 × 10250953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20501906
Product of the distinct prime numbers
The prime factorization of 20501906 is 2 × 10250953.
Since it has a total of 2 prime factors.
2 , 4 , 10 , 40 , 388 , 948 , 7738 , 8768 , 46604 , 96287 , 495648 , 983902 , 1942179 , 659527 , 82293523 , 24764773 , 358075280 , 925153411 , 7645196682 , 5973732124
n×2
41003812
n×3
61505718
n×4
82007624
n×5
102509530
n÷2
10250953
n÷3
6833968.6666667
n÷3
5125476.5
n÷5
4100381.2
n2
420328149632836
n3
8.6175282129263E+21
n4
1.7667575337376E+29
n5
3.6221896881481E+36
2 √n
4527.9030466652
3 √n
273.69366549267
4 √n
67.289694951495
5 √n
28.997385857522
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
-20501905
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 20501906 can be divided by 4 positive divisors.
The sum of these divisors (counting 20501906) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001101010110010010
3
Ternary
1102120121022212
4
Quaternary
1032031112102
5
Quinary
20222030111
6
Senary
2011232122
8
Octal
116152622
10
Decimal
20501906
12
Duodecimal
6a48642
16
Hexadecimal
138d592
20
Vigesimal
682ef6
36
Base36
c7fde
md5
87ae7eb466c01db0f0c807a44007d1a2
sha1
c08053d16c0a27d946a44e83bc6cd5595c54171d
sha256
6ac57c9c68243b7afb1f0b6d732e99f692f9953662958ac049c817fc406728df
sha512
4f204d9ab1ed3e15758f6f767ddcb240cd22f1ef29272795b6162bfaeb34482b016e4b64357d277790d370f81c20ff868ec36706a39b9f08002e31cdd8a6608d
ripemd-160
0edd2faf532ba958286601ac37ca4c2838a6675c
Diameter
41003812
Circumference
128817274.54838
Area
1.3204998269835E+15
Volume
3.6097017767776E+22
Surface area
5.281999307934E+15
Circumference
128817274.54838
Perimeter
82007624
Area
420328149632836
Diagonal
28994073.519698
Surface area
2521968897797016
Volume
8.6175282129263E+21
Space diagonal
35510342.844001
Perimeter
61505718
Area
1.8200742775387E+14
Altitude
17755171.422001
Surface area
1.8200742775387E+14
Volume
1.0155854394044E+21
Height
9664691.1732328