20171790 is an even 8-digits composite number following 20171789
and preceding 20171791 . In scientific notation, it is written as 2.0171790 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 5379120 positive integers (up to 20171790) that are relatively prime to 20171790.
20171790 has 24 divisors, whose sum is 52446888
The reverse of 20171790 is 09717102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred seventy-one thousand seven hundred ninety
Scientific notation
2.0171790 × 10^7
Engineering notation
2.0171790 × 10^6
Prime Factorization
2 × 3 × 3 × 5 × 224131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6723930
Product of the distinct prime numbers
The prime factorization of 20171790 is 2 × 3 × 3 × 5 × 224131.
Since it has a total of 5 prime factors.
3 , 10 , 77 , 95 , 784 , 798 , 7357 , 3939 , 15356 , 96889 , 575213 , 834480 , 957234 , 9365903 , 87264732 , 97792287 , 319894762 , 500396257 , 5662214009 , 7443662946
n×2
40343580
n×3
60515370
n×4
80687160
n×5
100858950
n÷2
10085895
n÷3
6723930
n÷3
5042947.5
n÷5
4034358
n2
406901111804100
n3
8.2079237780788E+21
n4
1.6556851478741E+29
n5
3.3398133109036E+36
2 √n
4491.3015930797
3 √n
272.21673001707
4 √n
67.017173866701
5 √n
28.90339696727
1 , 2 , 3 , 5 , 6 , 9 , 10 , 15 , 18 , 30 , 45 , 90 , 224131 , 448262 , 672393 , 1120655 , 1344786 , 2017179 , 2241310 , 3361965 , 4034358 , 6723930 , 10085895 , 20171790
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20171789
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20171790 can be divided by 24 positive divisors.
The sum of these divisors (counting 20171790) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111100110000001110
3
Ternary
1101221211111100
4
Quaternary
1030330300032
5
Quinary
20130444130
6
Senary
2000203530
8
Octal
114746016
10
Decimal
20171790
12
Duodecimal
69095a6
16
Hexadecimal
133cc0e
20
Vigesimal
66199a
36
Base36
c0cni
md5
c98853fd921f8470fb6775d6373f90a2
sha1
0039892f3db6274f4605e0106291e4da1362cab2
sha256
9cd3e64bea978937216bf160e0e037f68331ba532704ad8e53f719e44b468c2f
sha512
99ee95a2baf439a3bd2a9bbf716079cff4fb2e27325b404cdd662101d4c97d03c4d73666e9f9f6fa5320784477bafdf114595f5d6799d246b1a379877e93ffe5
ripemd-160
9e683e7ec8b30e4073826712b25719f33d3c63d7
Diameter
40343580
Circumference
126743094.54751
Area
1.2783175435813E+15
Volume
3.438127072325E+22
Surface area
5.1132701743251E+15
Circumference
126743094.54751
Perimeter
80687160
Area
406901111804100
Diagonal
28527218.995342
Surface area
2441406670824600
Volume
8.2079237780788E+21
Space diagonal
34938565.15961
Perimeter
60515370
Area
1.7619334982524E+14
Altitude
17469282.579805
Surface area
1.7619334982524E+14
Volume
9.6731309382364E+20
Height
9509072.9984473