20391131 is an odd 8-digits prime number following 20391130
and preceding 20391132 . In scientific notation, it is written as 2.0391131 × 10^7.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 20391130 positive integers (up to 20391131) that are relatively prime to 20391131.
20391131 has 2 divisors, whose sum is 20391132
The reverse of 20391131 is 13119302
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million three hundred ninety-one thousand one hundred thirty-one
Scientific notation
2.0391131 × 10^7
Engineering notation
2.0391131 × 10^6
Prime Factorization
20391131
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20391131
Product of the distinct prime numbers
The prime factorization of 20391131 is 20391131.
Since it has a total of 1 prime factors.
1 , 5 , 77 , 79 , 966 , 879 , 9657 , 8197 , 71159 , 49636 , 278176 , 36809 , 8674951 , 1888366 , 71162103 , 22497929 , 183864054 , 922821609 , 871932100 , 4979235721
n×2
40782262
n×3
61173393
n×4
81564524
n×5
101955655
n÷2
10195565.5
n÷3
6797043.6666667
n÷3
5097782.75
n÷5
4078226.2
n2
415798223459161
n3
8.478596044123E+21
n4
1.7288816263179E+29
n5
3.5253851725742E+36
2 √n
4515.6539947166
3 √n
273.19983847412
4 √n
67.198616017866
5 √n
28.965982432044
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20391132
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10195566
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4515.6541054425
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019181
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20391131 can be divided by 2 positive divisors.
The sum of these divisors (counting 20391131) is 20391132, the average is 10195566.
Base
System
Value
2
Binary
1001101110010010011011011
3
Ternary
1102100222101002
4
Quaternary
1031302103123
5
Quinary
20210004011
6
Senary
2005015215
8
Octal
115622333
10
Decimal
20391131
12
Duodecimal
69b450b
16
Hexadecimal
13724db
20
Vigesimal
678hgb
36
Base36
c51wb
md5
c138b428b0b8f9e437a8ae5548d0ced3
sha1
927ff08e5504827bdd357f4088bbfafa344b7b36
sha256
006924c196e8781acd4d2418814329fcb16b7edd623b6481540f7bd2dc111cc0
sha512
317c5e6306bb1bc45a8dadc4813883e19d8fa8b3aa2f359f8c3ae3c9c55b97df9899a8717af361f0f4ea18ffa2ed765b7ec9631d764a273e623a0a4e569c756f
ripemd-160
04a6b659bdb103f4334fa8b3976dac9acad273a6
Diameter
40782262
Circumference
128121254.69597
Area
1.306268644195E+15
Volume
3.5515060059963E+22
Surface area
5.2250745767799E+15
Circumference
128121254.69597
Perimeter
81564524
Area
415798223459161
Diagonal
28837414.012326
Surface area
2494789340754966
Volume
8.478596044123E+21
Space diagonal
35318474.915793
Perimeter
61173393
Area
1.8004591218204E+14
Altitude
17659237.457896
Surface area
1.8004591218204E+14
Volume
9.9921212629014E+20
Height
9612471.3374422