12821731 is an odd 8-digits composite number following 12821730
and preceding 12821732 . In scientific notation, it is written as 1.2821731 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 11835432 positive integers (up to 12821731) that are relatively prime to 12821731.
12821731 has 4 divisors, whose sum is 13808032
The reverse of 12821731 is 13712821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million eight hundred twenty-one thousand seven hundred thirty-one
Scientific notation
1.2821731 × 10^7
Engineering notation
1.2821731 × 10^6
Prime Factorization
13 × 986287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12821731
Product of the distinct prime numbers
The prime factorization of 12821731 is 13 × 986287.
Since it has a total of 2 prime factors.
5 , 5 , 57 , 6 , 61 , 579 , 3816 , 6654 , 84293 , 97036 , 963791 , 451651 , 4703304 , 9710305 , 62005762 , 69210608 , 492032391 , 864675172 , 656406814 , 3091871931
n×2
25643462
n×3
38465193
n×4
51286924
n×5
64108655
n÷2
6410865.5
n÷3
4273910.3333333
n÷3
3205432.75
n÷5
2564346.2
n2
164396785836361
n3
2.1078513652584E+21
n4
2.7026303193326E+28
n5
3.4652398946927E+35
2 √n
3580.7444756642
3 √n
234.05372302432
4 √n
59.839322152446
5 √n
26.399112832249
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
-12821730
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 12821731 can be divided by 4 positive divisors.
The sum of these divisors (counting 12821731) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111010010011100011
3
Ternary
220010102002221
4
Quaternary
300322103203
5
Quinary
11240243411
6
Senary
1134451511
8
Octal
60722343
10
Decimal
12821731
12
Duodecimal
4363b97
16
Hexadecimal
c3a4e3
20
Vigesimal
402e6b
36
Base36
7mtb7
md5
d23bb3bce83685399d8f8e318369d96e
sha1
aeba2ff80271ed5b1dcadd00b799d3960974ae03
sha256
486d32c05483bbec7f6213f2ae8c4c6b536ef43ed07c7c46d52b6b5b78133e07
sha512
92a2c2bb0947de9621b1e1abae81ab703e09b32ef6ca099cbe17b559eaefcb73b2215366023be43d43d0e17a36751ada7d9a3c76e457335a83b4a2f703333912
ripemd-160
7c9fae88cb1760dd38ed45509bcfa81c12e9d593
Diameter
25643462
Circumference
80561311.831809
Area
5.1646773465729E+14
Volume
8.8293471519401E+21
Surface area
2.0658709386291E+15
Circumference
80561311.831809
Perimeter
51286924
Area
164396785836361
Diagonal
18132665.8733
Surface area
986380715018166
Volume
2.1078513652584E+21
Space diagonal
22207889.532981
Perimeter
38465193
Area
71185896417399
Altitude
11103944.76649
Surface area
71185896417399
Volume
2.4841266568459E+20
Height
6044221.9577665