20091789 is an odd 8-digits composite number following 20091788
and preceding 20091790 . In scientific notation, it is written as 2.0091789 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 13394520 positive integers (up to 20091789) that are relatively prime to 20091789.
20091789 has 4 divisors, whose sum is 22324220
The reverse of 20091789 is 98719002
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million ninety-one thousand seven hundred eighty-nine
Scientific notation
2.0091789 × 10^7
Engineering notation
2.0091789 × 10^6
Prime Factorization
9 × 2232421
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20091789
Product of the distinct prime numbers
The prime factorization of 20091789 is 9 × 2232421.
Since it has a total of 2 prime factors.
3 , 5 , 36 , 44 , 883 , 297 , 3505 , 6705 , 47215 , 4437 , 985676 , 991443 , 7258850 , 3622326 , 26805300 , 48759742 , 699485649 , 202907508 , 4837517489 , 5995248090
n×2
40183578
n×3
60275367
n×4
80367156
n×5
100458945
n÷2
10045894.5
n÷3
6697263
n÷3
5022947.25
n÷5
4018357.8
n2
403679985220521
n3
8.1106530865738E+21
n4
1.6295753046764E+29
n5
3.2741083181169E+36
2 √n
4482.3865295175
3 √n
271.85638413955
4 √n
66.950627551334
5 √n
28.880434427673
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
-20091788
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 20091789 can be divided by 4 positive divisors.
The sum of these divisors (counting 20091789) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101001001110001101
3
Ternary
1101210202202100
4
Quaternary
1030221032031
5
Quinary
20120414124
6
Senary
1554345313
8
Octal
114511615
10
Decimal
20091789
12
Duodecimal
688b239
16
Hexadecimal
132938d
20
Vigesimal
65b999
36
Base36
bymx9
md5
d54524012a9e94b3dc9d4608c3280193
sha1
adeb7a00ab4091ab40786e6f39c72103d8e564b5
sha256
039e0a5d2c71c4f5779531d468e51cdc420956f81504e01730a4bee25821aced
sha512
2cecc3a3b7e4475931e05a040f204224794a9a09e96c0b6d48a39eb60555de7236ac1df238f1d299b5f1babe4b5625d8e7df36159fe691e783247054a1d14649
ripemd-160
05b8754d43816c96ede02c7aef114c6c5ed1a493
Diameter
40183578
Circumference
126240433.43975
Area
1.26819807597E+15
Volume
3.3973824203461E+22
Surface area
5.0727923038801E+15
Circumference
126240433.43975
Perimeter
80367156
Area
403679985220521
Diagonal
28414080.496139
Surface area
2422079911323126
Volume
8.1106530865738E+21
Space diagonal
34799999.362953
Perimeter
60275367
Area
1.7479856110015E+14
Altitude
17399999.681477
Surface area
1.7479856110015E+14
Volume
9.5584963289466E+20
Height
9471360.1653795