20391369 is an odd 8-digits composite number following 20391368
and preceding 20391370 . In scientific notation, it is written as 2.0391369 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13594244 positive integers (up to 20391369) that are relatively prime to 20391369.
20391369 has 4 divisors, whose sum is 27188496
The reverse of 20391369 is 96319302
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million three hundred ninety-one thousand three hundred sixty-nine
Scientific notation
2.0391369 × 10^7
Engineering notation
2.0391369 × 10^6
Prime Factorization
3 × 6797123
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20391369
Product of the distinct prime numbers
The prime factorization of 20391369 is 3 × 6797123.
Since it has a total of 2 prime factors.
7 , 8 , 24 , 81 , 985 , 256 , 7076 , 9978 , 6353 , 43737 , 766566 , 916409 , 4200512 , 6778039 , 11605160 , 2324709 , 786433449 , 814088578 , 7994317746 , 3672988715
n×2
40782738
n×3
61174107
n×4
81565476
n×5
101956845
n÷2
10195684.5
n÷3
6797123
n÷3
5097842.25
n÷5
4078273.8
n2
415807929694161
n3
8.4788929275197E+21
n4
1.7289623439654E+29
n5
3.5255909142904E+36
2 √n
4515.6803474117
3 √n
273.20090137591
4 √n
67.198812098218
5 √n
28.966050048418
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
-20391368
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 20391369 can be divided by 4 positive divisors.
The sum of these divisors (counting 20391369) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010010111001001
3
Ternary
1102100222200220
4
Quaternary
1031302113021
5
Quinary
20210010434
6
Senary
2005020253
8
Octal
115622711
10
Decimal
20391369
12
Duodecimal
69b4689
16
Hexadecimal
13725c9
20
Vigesimal
678i89
36
Base36
c522x
md5
5f3b66ada8d46a38ac40841a4701e006
sha1
96990d3c8ea688cce84cfeaade234b648f6838e0
sha256
9c74ad2a9ee631492cacf16fc938139f70b79a5b4d4d1ce5d8e2ae1be64ae0be
sha512
00c858065d406b6ceec731a4df3de849b1901cae67047740efa4e46131f7f9e5914640db3d781b1471416b940ba2bf4f363cd4902681dbfeaf3d76bb61ceca92
ripemd-160
9b936d8c401d0c070851f2a6ff90f1e409e1d3a5
Diameter
40782738
Circumference
128122750.09408
Area
1.3062991372316E+15
Volume
3.5516303642227E+22
Surface area
5.2251965489262E+15
Circumference
128122750.09408
Perimeter
81565476
Area
415807929694161
Diagonal
28837750.595154
Surface area
2494847578164966
Volume
8.4788929275197E+21
Space diagonal
35318887.143885
Perimeter
61174107
Area
1.8005011510508E+14
Altitude
17659443.571942
Surface area
1.8005011510508E+14
Volume
9.9924711433397E+20
Height
9612583.5317181