20389931 is an odd 8-digits composite number following 20389930
and preceding 20389932 . In scientific notation, it is written as 2.0389931 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 20164320 positive integers (up to 20389931) that are relatively prime to 20389931.
20389931 has 8 divisors, whose sum is 20617200
The reverse of 20389931 is 13998302
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million three hundred eighty-nine thousand nine hundred thirty-one
Scientific notation
2.0389931 × 10^7
Engineering notation
2.0389931 × 10^6
Prime Factorization
269 × 331 × 229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20389931
Product of the distinct prime numbers
The prime factorization of 20389931 is 269 × 331 × 229.
Since it has a total of 3 prime factors.
7 , 4 , 74 , 76 , 175 , 409 , 7090 , 341 , 41096 , 64644 , 120653 , 146352 , 2623197 , 8624928 , 39058129 , 41440317 , 956056303 , 818924948 , 7746522927 , 4816291028
n×2
40779862
n×3
61169793
n×4
81559724
n×5
101949655
n÷2
10194965.5
n÷3
6796643.6666667
n÷3
5097482.75
n÷5
4077986.2
n2
415749286184761
n3
8.4770992586065E+21
n4
1.7284746896314E+29
n5
3.524347965683E+36
2 √n
4515.5211216426
3 √n
273.19447917948
4 √n
67.197627351288
5 √n
28.965641499536
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
-20389930
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 20389931 can be divided by 8 positive divisors.
The sum of these divisors (counting 20389931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110010000000101011
3
Ternary
1102100220201122
4
Quaternary
1031302000223
5
Quinary
20204434211
6
Senary
2005005455
8
Octal
115620053
10
Decimal
20389931
12
Duodecimal
69b388b
16
Hexadecimal
137202b
20
Vigesimal
678egb
36
Base36
c50yz
md5
c4458acfa961c7ac00dcf319eac4caf1
sha1
d4c3e1a109d909da056b571ca443cda6eecba547
sha256
e07d33e3614f912cc3939413a97d7ec5d4a39fb38a9d166205cd9a39b41459ab
sha512
dba65af10116640d0e92488161eb5d2f02548976a83d29f05d893820a0dfa4d2ebf01a967baa2613c41965d3de2f357c7121107b3679f6d5e1c675bca8ef0958
ripemd-160
3cc0f3b3064941fdc1afd1b95c7a9f6fccf37d09
Diameter
40779862
Circumference
128113714.87361
Area
1.3061149032132E+15
Volume
3.5508790339453E+22
Surface area
5.224459612853E+15
Circumference
128113714.87361
Perimeter
81559724
Area
415749286184761
Diagonal
28835716.956052
Surface area
2494495717108566
Volume
8.4770992586065E+21
Space diagonal
35316396.454824
Perimeter
61169793
Area
1.8002472172062E+14
Altitude
17658198.227412
Surface area
1.8002472172062E+14
Volume
9.9903572842536E+20
Height
9611905.6520172