20131431 is an odd 8-digits composite number following 20131430
and preceding 20131432 . In scientific notation, it is written as 2.0131431 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 12303360 positive integers (up to 20131431) that are relatively prime to 20131431.
20131431 has 16 divisors, whose sum is 29168640
The reverse of 20131431 is 13413102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred thirty-one thousand four hundred thirty-one
Scientific notation
2.0131431 × 10^7
Engineering notation
2.0131431 × 10^6
Prime Factorization
3 × 31 × 19 × 11393
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131431
Product of the distinct prime numbers
The prime factorization of 20131431 is 3 × 31 × 19 × 11393.
Since it has a total of 4 prime factors.
10 , 1 , 63 , 67 , 338 , 18 , 2648 , 5153 , 19527 , 48347 , 37163 , 218159 , 4003552 , 272108 , 80132245 , 59347139 , 756621121 , 830314884 , 1839726135 , 5103936999
n×2
40262862
n×3
60394293
n×4
80525724
n×5
100657155
n÷2
10065715.5
n÷3
6710477
n÷3
5032857.75
n÷5
4026286.2
n2
405274514107761
n3
8.1587559168189E+21
n4
1.6424743178528E+29
n5
3.3065358399126E+36
2 √n
4486.8063252162
3 √n
272.03506162068
4 √n
66.983627292169
5 √n
28.89182192225
1 , 3 , 19 , 31 , 57 , 93 , 589 , 1767 , 11393 , 34179 , 216467 , 353183 , 649401 , 1059549 , 6710477 , 20131431
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
-20131430
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 20131431 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131431) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010111001100111
3
Ternary
1101212210010120
4
Quaternary
1030302321213
5
Quinary
20123201211
6
Senary
1555253023
8
Octal
114627147
10
Decimal
20131431
12
Duodecimal
68aa173
16
Hexadecimal
1332e67
20
Vigesimal
65g8bb
36
Base36
bzhif
md5
15f0e2bcbaa3bd54e91d3c2ba788de39
sha1
6ef68d8ff4bd4e074c415fc6c008f12ca95b2633
sha256
acba2d78f98915404aa94a8dd583a13b1fac9444c7a0c443fdf0d582e7155b4f
sha512
c69f135bf586794e4b5f73291f692122a1cc4fc19fb917d98c03e1512a7b6fc7a71df0d9933110d6024384ea41028027f6d3dbe2bd13ee9432fd832b745f9067
ripemd-160
83f5ef2eb3aeb90722820023d75506013b4ba2bd
Diameter
40262862
Circumference
126489511.4717
Area
1.2732074362081E+15
Volume
3.4175316867614E+22
Surface area
5.0928297448325E+15
Circumference
126489511.4717
Perimeter
80525724
Area
405274514107761
Diagonal
28470142.750178
Surface area
2431647084646566
Volume
8.1587559168189E+21
Space diagonal
34868661.321067
Perimeter
60394293
Area
1.7548901236186E+14
Altitude
17434330.660534
Surface area
1.7548901236186E+14
Volume
9.6151860580475E+20
Height
9490047.5833927