20172281 is an odd 8-digits composite number following 20172280
and preceding 20172282 . In scientific notation, it is written as 2.0172281 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 19110564 positive integers (up to 20172281) that are relatively prime to 20172281.
20172281 has 4 divisors, whose sum is 21234000
The reverse of 20172281 is 18227102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred seventy-two thousand two hundred eighty-one
Scientific notation
2.0172281 × 10^7
Engineering notation
2.0172281 × 10^6
Prime Factorization
19 × 1061699
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20172281
Product of the distinct prime numbers
The prime factorization of 20172281 is 19 × 1061699.
Since it has a total of 2 prime factors.
7 , 5 , 7 , 36 , 348 , 255 , 4084 , 5905 , 16070 , 86704 , 589122 , 752338 , 4502307 , 2733264 , 89136283 , 47354449 , 10262767 , 807914964 , 9407404534 , 2501707136
n×2
40344562
n×3
60516843
n×4
80689124
n×5
100861405
n÷2
10086140.5
n÷3
6724093.6666667
n÷3
5043070.25
n÷5
4034456.2
n2
406920920742961
n3
8.2085231580057E+21
n4
1.655846357383E+29
n5
3.3402198013956E+36
2 √n
4491.3562539616
3 √n
272.21893866803
4 √n
67.017581677957
5 √n
28.903537672976
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
-20172280
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 20172281 can be divided by 4 positive divisors.
The sum of these divisors (counting 20172281) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100110111111001
3
Ternary
1101221212011112
4
Quaternary
1030330313321
5
Quinary
20131003111
6
Senary
2000210105
8
Octal
114746771
10
Decimal
20172281
12
Duodecimal
6909935
16
Hexadecimal
133cdf9
20
Vigesimal
661ae1
36
Base36
c0d15
md5
2d81e2723a4585809284416e08fe4dba
sha1
fd40d036164d612b50468ed8968bdcb19738f1e2
sha256
27c50fb4f1bb627c9b13dce1a106e748ab5ba65d9810694fbbb68e6f53b4177b
sha512
8444cd0072bfd49b4f435a507f7e0eb8d6b86a8fcff442ea22a12e6a448877915cc0bda8e4a47634b9357968e0251f69633402f373d471221053fb776eb3757a
ripemd-160
be8137211b12f665a95cd3fda32dc887de1e3598
Diameter
40344562
Circumference
126746179.5915
Area
1.2783797751981E+15
Volume
3.4383781400017E+22
Surface area
5.1135191007923E+15
Circumference
126746179.5915
Perimeter
80689124
Area
406920920742961
Diagonal
28527913.374201
Surface area
2441525524457766
Volume
8.2085231580057E+21
Space diagonal
34939415.596556
Perimeter
60516843
Area
1.7620192734738E+14
Altitude
17469707.798278
Surface area
1.7620192734738E+14
Volume
9.6738373142545E+20
Height
9509304.458067