12821031 is an odd 8-digits composite number following 12821030
and preceding 12821032 . In scientific notation, it is written as 1.2821031 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 8477784 positive integers (up to 12821031) that are relatively prime to 12821031.
12821031 has 16 divisors, whose sum is 19148800
The reverse of 12821031 is 13012821
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twelve million eight hundred twenty-one thousand thirty-one
Scientific notation
1.2821031 × 10^7
Engineering notation
1.2821031 × 10^6
Prime Factorization
3 × 9 × 127 × 3739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12821031
Product of the distinct prime numbers
The prime factorization of 12821031 is 3 × 9 × 127 × 3739.
Since it has a total of 4 prime factors.
7 , 8 , 90 , 88 , 438 , 318 , 9374 , 4904 , 86754 , 8915 , 836216 , 983836 , 7157208 , 9969571 , 39043078 , 20518919 , 691126566 , 226142620 , 9025024059 , 5574964601
n×2
25642062
n×3
38463093
n×4
51284124
n×5
64105155
n÷2
6410515.5
n÷3
4273677
n÷3
3205257.75
n÷5
2564206.2
n2
164378835902961
n3
2.1075061508558E+21
n4
2.7020401692813E+28
n5
3.46429407736E+35
2 √n
3580.6467292935
3 √n
234.04946357376
4 √n
59.838505406581
5 √n
26.398824575031
1 , 3 , 9 , 27 , 127 , 381 , 1143 , 3429 , 3739 , 11217 , 33651 , 100953 , 474853 , 1424559 , 4273677 , 12821031
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
-12821030
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 12821031 can be divided by 16 positive divisors.
The sum of these divisors (counting 12821031) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111010001000100111
3
Ternary
220010101011000
4
Quaternary
300322020213
5
Quinary
11240233111
6
Senary
1134444343
8
Octal
60721047
10
Decimal
12821031
12
Duodecimal
43636b3
16
Hexadecimal
c3a227
20
Vigesimal
402cbb
36
Base36
7msrr
md5
52dd693885dcb7d490dc01ee686c066d
sha1
49fe48db01fcbdcc7236c7e1b48142f2e7245b75
sha256
fd401cebf8d25a74bc70741caf1d9293c085ee4e27f33963c11ef0cabcd06d2f
sha512
750a3a3755f510af332a1db5ff5cd9a4d966e816a99f354d3fd343361c30253965830e9b43d4081af621cc68b7d4f10e56735852ae8a00d73c6607e0456b5f1a
ripemd-160
93984e47b039ee724e84f5a918f6b95953554169
Diameter
25642062
Circumference
80556913.602094
Area
5.1641134327838E+14
Volume
8.8279011212317E+21
Surface area
2.0656453731135E+15
Circumference
80556913.602094
Perimeter
51284124
Area
164378835902961
Diagonal
18131675.923806
Surface area
986273015417766
Volume
2.1075061508558E+21
Space diagonal
22206677.097416
Perimeter
38463093
Area
71178123868239
Altitude
11103338.548708
Surface area
71178123868239
Volume
2.4837198177708E+20
Height
6043891.974602