20185231 is an odd 8-digits composite number following 20185230
and preceding 20185232 . In scientific notation, it is written as 2.0185231 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 17959320 positive integers (up to 20185231) that are relatively prime to 20185231.
20185231 has 8 divisors, whose sum is 22489344
The reverse of 20185231 is 13258102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty-five thousand two hundred thirty-one
Scientific notation
2.0185231 × 10^7
Engineering notation
2.0185231 × 10^6
Prime Factorization
11 × 47 × 39043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20185231
Product of the distinct prime numbers
The prime factorization of 20185231 is 11 × 47 × 39043.
Since it has a total of 3 prime factors.
4 , 4 , 6 , 16 , 447 , 682 , 8085 , 5976 , 39866 , 47842 , 8599 , 989094 , 2451496 , 5895730 , 53648041 , 67337924 , 201427187 , 827150883 , 2730593781 , 3240962999
n×2
40370462
n×3
60555693
n×4
80740924
n×5
100926155
n÷2
10092615.5
n÷3
6728410.3333333
n÷3
5046307.75
n÷5
4037046.2
n2
407443550523361
n3
8.2243421867742E+21
n4
1.6601024686308E+29
n5
3.3509551812983E+36
2 √n
4492.797680733
3 √n
272.27717834123
4 √n
67.028334909447
5 √n
28.907247761427
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20185230
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20185231 can be divided by 8 positive divisors.
The sum of these divisors (counting 20185231) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000000010001111
3
Ternary
1101222111221011
4
Quaternary
1031000002033
5
Quinary
20131411411
6
Senary
2000350051
8
Octal
115000217
10
Decimal
20185231
12
Duodecimal
6915327
16
Hexadecimal
134008f
20
Vigesimal
66331b
36
Base36
c0n0v
md5
759d9010ea0103798fead6f0b2a10524
sha1
3ffe09804dfc52c721e72efd8f98b84449396e03
sha256
f47dc9c3f9a3d352023b6d3b43884b614ba1990a6d12d0f6daa64fe57177cb47
sha512
d76c1dad313567da365c9033d0f6a4e9541f4b7cb93beaf10c33a0ac6de2e33288a03db28e0cf4bdb2e0f0a4f768a12afe4959e20052f60a4fd57f18b9ef3037
ripemd-160
e7a6ed2a1ea213c83f5139d27cfa1faed266cd57
Diameter
40370462
Circumference
126827546.84123
Area
1.2800216650767E+15
Volume
3.4450043992771E+22
Surface area
5.1200866603069E+15
Circumference
126827546.84123
Perimeter
80740924
Area
407443550523361
Diagonal
28546227.439834
Surface area
2444661303140166
Volume
8.2243421867742E+21
Space diagonal
34961845.654514
Perimeter
60555693
Area
1.7642823268068E+14
Altitude
17480922.827257
Surface area
1.7642823268068E+14
Volume
9.6924802184444E+20
Height
9515409.1466113