20190791 is an odd 8-digits composite number following 20190790
and preceding 20190792 . In scientific notation, it is written as 2.0190791 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20180832 positive integers (up to 20190791) that are relatively prime to 20190791.
20190791 has 4 divisors, whose sum is 20200752
The reverse of 20190791 is 19709102
Previous prime number is 7127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred ninety thousand seven hundred ninety-one
Scientific notation
2.0190791 × 10^7
Engineering notation
2.0190791 × 10^6
Prime Factorization
7127 × 2833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20190791
Product of the distinct prime numbers
The prime factorization of 20190791 is 7127 × 2833.
Since it has a total of 2 prime factors.
4 , 9 , 97 , 90 , 22 , 525 , 3789 , 5008 , 22095 , 42460 , 786053 , 603266 , 2215762 , 242566 , 57860895 , 82012058 , 264061346 , 554488637 , 8540320111 , 2271707819
n×2
40381582
n×3
60572373
n×4
80763164
n×5
100953955
n÷2
10095395.5
n÷3
6730263.6666667
n÷3
5047697.75
n÷5
4038158.2
n2
407668041205681
n3
8.2311402173633E+21
n4
1.6619323182048E+29
n5
3.3555728093018E+36
2 √n
4493.4164062548
3 √n
272.30217553077
4 √n
67.0329501533
5 √n
28.908840080009
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
-20190790
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 20190791 can be divided by 4 positive divisors.
The sum of these divisors (counting 20190791) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001011001000111
3
Ternary
1101222210120002
4
Quaternary
1031001121013
5
Quinary
20132101131
6
Senary
2000431515
8
Octal
115013107
10
Decimal
20190791
12
Duodecimal
691859b
16
Hexadecimal
1341647
20
Vigesimal
663gjb
36
Base36
c0rbb
md5
db8ced9781eb07a18570e36d4e12e4f9
sha1
73d1e4be56a139333be8c7f5cd84b3be497375b9
sha256
d91a40bc1b1dad01f36b8d7694085a1e8c4acac780a79492ff898dcaf114e442
sha512
c71684c24826753aac8c525772d437b9da07607846b4112932f3bf5871d889e356364aeca5156d60a363685b8786a931e419eb281c8b8a85c34efa140f617c57
ripemd-160
0a0397cdfb050a7e75b0de086f66f816b1361e71
Diameter
40381582
Circumference
126862481.35153
Area
1.2807269233551E+15
Volume
3.4478519516715E+22
Surface area
5.1229076934204E+15
Circumference
126862481.35153
Perimeter
80763164
Area
407668041205681
Diagonal
28554090.467241
Surface area
2446008247234086
Volume
8.2311402173633E+21
Space diagonal
34971475.857004
Perimeter
60572373
Area
1.7652543999758E+14
Altitude
17485737.928502
Surface area
1.7652543999758E+14
Volume
9.7004917743248E+20
Height
9518030.1557469