20379989 is an odd 8-digits composite number following 20379988
and preceding 20379990 . In scientific notation, it is written as 2.0379989 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 16012080 positive integers (up to 20379989) that are relatively prime to 20379989.
20379989 has 16 divisors, whose sum is 25313280
The reverse of 20379989 is 98997302
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million three hundred seventy-nine thousand nine hundred eighty-nine
Scientific notation
2.0379989 × 10^7
Engineering notation
2.0379989 × 10^6
Prime Factorization
7 × 19 × 31 × 4943
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20379989
Product of the distinct prime numbers
The prime factorization of 20379989 is 7 × 19 × 31 × 4943.
Since it has a total of 4 prime factors.
10 , 6 , 36 , 91 , 696 , 712 , 2466 , 630 , 57529 , 82468 , 850010 , 40241 , 9238135 , 704643 , 51382665 , 72384559 , 450677964 , 343784041 , 9560157869 , 9561697797
n×2
40759978
n×3
61139967
n×4
81519956
n×5
101899945
n÷2
10189994.5
n÷3
6793329.6666667
n÷3
5094997.25
n÷5
4075997.8
n2
415343951640121
n3
8.4647051656422E+21
n4
1.7251059816403E+29
n5
3.5157640929664E+36
2 √n
4514.4201178003
3 √n
273.15006933355
4 √n
67.189434569732
5 √n
28.962816256132
1 , 7 , 19 , 31 , 133 , 217 , 589 , 4123 , 4943 , 34601 , 93917 , 153233 , 657419 , 1072631 , 2911427 , 20379989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20379988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20379989 can be divided by 16 positive divisors.
The sum of these divisors (counting 20379989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101101111100101010101
3
Ternary
1102100102002102
4
Quaternary
1031233211111
5
Quinary
20204124424
6
Senary
2004451445
8
Octal
115574525
10
Decimal
20379989
12
Duodecimal
69a9b85
16
Hexadecimal
136f955
20
Vigesimal
6779j9
36
Base36
c4tat
md5
bccd0b4501af7dedb0c385cbf952a4b9
sha1
a388a474287ca3e408c1cefd36b75a9fbdd7d390
sha256
5fe8f7aab2a18b1974a1ce577ae14d30e368e9b979b0ba2079ad4328b80a4cb4
sha512
211a0185eaa6bd52e49b2eb305098ba62bd32202e73b73ca3710c5c31067c902a2d58deaeb43ecdb2273a91d6ef06cd00800b70ab920c2e797a9a750683c59e3
ripemd-160
1b61293bc1709654a5b9fe3db071b96ceb4d7f7b
Diameter
40759978
Circumference
128051247.44528
Area
1.3048415071856E+15
Volume
3.5456874084247E+22
Surface area
5.2193660287422E+15
Circumference
128051247.44528
Perimeter
81519956
Area
415343951640121
Diagonal
28821656.844814
Surface area
2492063709840726
Volume
8.4647051656422E+21
Space diagonal
35299176.405695
Perimeter
61139967
Area
1.7984920671428E+14
Altitude
17649588.202847
Surface area
1.7984920671428E+14
Volume
9.9757507056173E+20
Height
9607218.9482715