20431531 is an odd 8-digits composite number following 20431530
and preceding 20431532 . In scientific notation, it is written as 2.0431531 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20416000 positive integers (up to 20431531) that are relatively prime to 20431531.
20431531 has 4 divisors, whose sum is 20447064
The reverse of 20431531 is 13513402
Previous prime number is 1451
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred thirty-one thousand five hundred thirty-one
Scientific notation
2.0431531 × 10^7
Engineering notation
2.0431531 × 10^6
Prime Factorization
1451 × 14081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20431531
Product of the distinct prime numbers
The prime factorization of 20431531 is 1451 × 14081.
Since it has a total of 2 prime factors.
9 , 9 , 13 , 13 , 446 , 145 , 1143 , 3686 , 16284 , 44864 , 592711 , 860510 , 9253717 , 310730 , 15260003 , 55868880 , 78839940 , 676802270 , 2590384100 , 1134147156
n×2
40863062
n×3
61294593
n×4
81726124
n×5
102157655
n÷2
10215765.5
n÷3
6810510.3333333
n÷3
5107882.75
n÷5
4086306.2
n2
417447459003961
n3
8.5290906995107E+21
n4
1.7426238102886E+29
n5
3.560447240125E+36
2 √n
4520.125108888
3 √n
273.38014549542
4 √n
67.231875690687
5 √n
28.977451137588
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
-20431530
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 20431531 can be divided by 4 positive divisors.
The sum of these divisors (counting 20431531) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101111100001010101011
3
Ternary
1102110000210101
4
Quaternary
1031330022223
5
Quinary
20212302111
6
Senary
2005530231
8
Octal
115741253
10
Decimal
20431531
12
Duodecimal
6a13977
16
Hexadecimal
137c2ab
20
Vigesimal
67digb
36
Base36
c5x2j
md5
dcf7054b3fbf98a1294e5a08508a8299
sha1
14b967428d104b8c69b59011d0f3d09e58def15f
sha256
a0f1b9c7cbd982750db81385728aed74d9b839f3c53b0b918f518389f00a8029
sha512
4c2e08348dffa76ccb9cca776a0a79cf5f8312a27aac50d07efa09b234f7f4bb8a0d5e59540fd5ff2fa77e511a6d48a24ca0b378965f4abb2e3505267db2f146
ripemd-160
a30598fd559dd4256dbce0804433db9bab5c6cca
Diameter
40863062
Circumference
128375095.38238
Area
1.3114498704666E+15
Volume
3.5726571577845E+22
Surface area
5.2457994818663E+15
Circumference
128375095.38238
Perimeter
81726124
Area
417447459003961
Diagonal
28894548.240246
Surface area
2504684754023766
Volume
8.5290906995107E+21
Space diagonal
35388449.768419
Perimeter
61294593
Area
1.8076005212135E+14
Altitude
17694224.884209
Surface area
1.8076005212135E+14
Volume
1.0051629784965E+21
Height
9631516.0800821