20172131 is an odd 8-digits composite number following 20172130
and preceding 20172132 . In scientific notation, it is written as 2.0172131 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 17290392 positive integers (up to 20172131) that are relatively prime to 20172131.
20172131 has 4 divisors, whose sum is 23053872
The reverse of 20172131 is 13127102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred seventy-two thousand one hundred thirty-one
Scientific notation
2.0172131 × 10^7
Engineering notation
2.0172131 × 10^6
Prime Factorization
7 × 2881733
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20172131
Product of the distinct prime numbers
The prime factorization of 20172131 is 7 × 2881733.
Since it has a total of 2 prime factors.
9 , 9 , 76 , 65 , 428 , 237 , 1237 , 1513 , 45720 , 38431 , 414943 , 260060 , 1959375 , 8079225 , 84645223 , 93161433 , 747837352 , 907183100 , 793518301 , 9350347035
n×2
40344262
n×3
60516393
n×4
80688524
n×5
100860655
n÷2
10086065.5
n÷3
6724043.6666667
n÷3
5043032.75
n÷5
4034426.2
n2
406914869081161
n3
8.208340044953E+21
n4
1.6557971067934E+29
n5
3.3400956147657E+36
2 √n
4491.3395551884
3 √n
272.21826393121
4 √n
67.017457092823
5 √n
28.903494687817
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
-20172130
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 20172131 can be divided by 4 positive divisors.
The sum of these divisors (counting 20172131) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100110101100011
3
Ternary
1101221211221222
4
Quaternary
1030330311203
5
Quinary
20131002011
6
Senary
2000205255
8
Octal
114746543
10
Decimal
20172131
12
Duodecimal
690982b
16
Hexadecimal
133cd63
20
Vigesimal
661a6b
36
Base36
c0cwz
md5
fde0c940c3f57969e76b690659d102a1
sha1
7f3ecc29593f72a63d7ac04b884dc09be8eb118d
sha256
9b6fd6bfebb749490cb4e1fd06ac6a218faa17d7cfd08be66b0824c9d5fb930b
sha512
0cabb14e7ee3e6a2066fd9e8a500c13337afeb246a8f1ada53c045478b9088841d2193eb635286648bac9acf73ece8b749017e567032d308934f6b523a59fe56
ripemd-160
52c59aa689cc5fa7e5085a8053dc056e1a2ec988
Diameter
40344262
Circumference
126745237.1137
Area
1.2783607633418E+15
Volume
3.4383014377855E+22
Surface area
5.1134430533673E+15
Circumference
126745237.1137
Perimeter
80688524
Area
406914869081161
Diagonal
28527701.242167
Surface area
2441489214486966
Volume
8.208340044953E+21
Space diagonal
34939155.788935
Perimeter
60516393
Area
1.7619930690095E+14
Altitude
17469577.894468
Surface area
1.7619930690095E+14
Volume
9.6736215134523E+20
Height
9509233.7473889