12821213 is an odd 8-digits composite number following 12821212
and preceding 12821214 . In scientific notation, it is written as 1.2821213 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 12026880 positive integers (up to 12821213) that are relatively prime to 12821213.
12821213 has 8 divisors, whose sum is 13620600
The reverse of 12821213 is 31212821
Previous prime number is 2161
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twelve million eight hundred twenty-one thousand two hundred thirteen
Scientific notation
1.2821213 × 10^7
Engineering notation
1.2821213 × 10^6
Prime Factorization
17 × 2161 × 349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12821213
Product of the distinct prime numbers
The prime factorization of 12821213 is 17 × 2161 × 349.
Since it has a total of 3 prime factors.
6 , 9 , 34 , 54 , 480 , 250 , 2454 , 498 , 25611 , 97088 , 43064 , 530768 , 1856755 , 4749628 , 38253115 , 55632590 , 584508077 , 192519603 , 9958996844 , 1577440031
n×2
25642426
n×3
38463639
n×4
51284852
n×5
64106065
n÷2
6410606.5
n÷3
4273737.6666667
n÷3
3205303.25
n÷5
2564242.6
n2
164383502791369
n3
2.1075959029742E+21
n4
2.702193598996E+28
n5
3.4645399699964E+35
2 √n
3580.6721436066
3 √n
234.05057104582
4 √n
59.838717763724
5 √n
26.398899523119
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821213 can be divided by 8 positive divisors.
The sum of these divisors (counting 12821213) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111010001011011101
3
Ternary
220010101101202
4
Quaternary
300322023131
5
Quinary
11240234323
6
Senary
1134445245
8
Octal
60721335
10
Decimal
12821213
12
Duodecimal
4363825
16
Hexadecimal
c3a2dd
20
Vigesimal
402d0d
36
Base36
7mswt
md5
781182c4704eb52fb8e75e760e8dd829
sha1
6f23521c1b857a578c4948d8fb7d50a21dc46dfa
sha256
4a03b4c06979699a65682c50154c5073c674b14793b46010909c00a5bc3fa5dd
sha512
b2399c00d7089fbb5d7346f34d0b42eeb6c75b4e88513161b101a6adc7a2376b12c6b52a84064342eb01e6433e1c3fd35baec70ea8ecf63b472d2c8269e70872
ripemd-160
f56d6995aef79731f195afb93b0bf318f6012cb2
Diameter
25642426
Circumference
80558057.14182
Area
5.1642600474072E+14
Volume
8.8282770740264E+21
Surface area
2.0657040189629E+15
Circumference
80558057.14182
Perimeter
51284852
Area
164383502791369
Diagonal
18131933.310674
Surface area
986301016748214
Volume
2.1075959029742E+21
Space diagonal
22206992.330663
Perimeter
38463639
Area
71180144690198
Altitude
11103496.165331
Surface area
71180144690198
Volume
2.4838255916568E+20
Height
6043977.7702247