20081431 is an odd 8-digits composite number following 20081430
and preceding 20081432 . In scientific notation, it is written as 2.0081431 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19591600 positive integers (up to 20081431) that are relatively prime to 20081431.
20081431 has 4 divisors, whose sum is 20571264
The reverse of 20081431 is 13418002
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million eighty-one thousand four hundred thirty-one
Scientific notation
2.0081431 × 10^7
Engineering notation
2.0081431 × 10^6
Prime Factorization
41 × 489791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20081431
Product of the distinct prime numbers
The prime factorization of 20081431 is 41 × 489791.
Since it has a total of 2 prime factors.
7 , 9 , 64 , 61 , 770 , 977 , 6167 , 6979 , 40774 , 41242 , 196635 , 682137 , 9850673 , 4602606 , 40643546 , 75613836 , 543349014 , 97655954 , 8368759723 , 860878512
n×2
40162862
n×3
60244293
n×4
80325724
n×5
100407155
n÷2
10040715.5
n÷3
6693810.3333333
n÷3
5020357.75
n÷5
4016286.2
n2
403263871007761
n3
8.0981156004353E+21
n4
1.6262174966016E+29
n5
3.2656774448999E+36
2 √n
4481.2309692762
3 √n
271.80965904104
4 √n
66.941997051748
5 √n
28.877456044351
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
-20081430
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 20081431 can be divided by 4 positive divisors.
The sum of these divisors (counting 20081431) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100110101100010111
3
Ternary
1101210020112201
4
Quaternary
1030212230113
5
Quinary
20120101211
6
Senary
1554225331
8
Octal
114465427
10
Decimal
20081431
12
Duodecimal
6885247
16
Hexadecimal
1326b17
20
Vigesimal
65a3bb
36
Base36
byexj
md5
9b875c65768b9f88174158aece424967
sha1
4c6e4cbc32558032ad24e35001e9f63670630348
sha256
c75abaf612a4f995e6b4368570de37abccdea1e90b1ecddd4e139c39de0d6237
sha512
42f6291894ee99234c7ed1512147b8f456105c8c935cb7e4fdcd1e8962cc4ddec6682ec8afcc22b30af52bdd195ef162eb0a7b34dbda1913f47ce050fcc7683a
ripemd-160
bd0d02c26a62eefca7c86962f69616bbcad023d8
Diameter
40162862
Circumference
126175352.20634
Area
1.2668908146162E+15
Volume
3.3921307304331E+22
Surface area
5.0675632584647E+15
Circumference
126175352.20634
Perimeter
80325724
Area
403263871007761
Diagonal
28399432.07206
Surface area
2419583226046566
Volume
8.0981156004353E+21
Space diagonal
34782058.780689
Perimeter
60244293
Area
1.7461837836059E+14
Altitude
17391029.390344
Surface area
1.7461837836059E+14
Volume
9.5437207598339E+20
Height
9466477.3573532