12821321 is an odd 8-digits composite number following 12821320
and preceding 12821322 . In scientific notation, it is written as 1.2821321 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 12220560 positive integers (up to 12821321) that are relatively prime to 12821321.
12821321 has 8 divisors, whose sum is 13434624
The reverse of 12821321 is 12312821
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twelve million eight hundred twenty-one thousand three hundred twenty-one
Scientific notation
1.2821321 × 10^7
Engineering notation
1.2821321 × 10^6
Prime Factorization
31 × 67 × 6173
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12821321
Product of the distinct prime numbers
The prime factorization of 12821321 is 31 × 67 × 6173.
Since it has a total of 3 prime factors.
7 , 5 , 36 , 98 , 422 , 884 , 1326 , 9034 , 11587 , 63784 , 832067 , 563895 , 9154254 , 2541894 , 82788771 , 46723234 , 979536213 , 744209300 , 2969689126 , 2584669077
n×2
25642642
n×3
38463963
n×4
51285284
n×5
64106605
n÷2
6410660.5
n÷3
4273773.6666667
n÷3
3205330.25
n÷5
2564264.2
n2
164386272185041
n3
2.1076491636778E+21
n4
2.7022846482894E+28
n5
3.4646858909091E+35
2 √n
3580.6872245422
3 √n
234.05122822208
4 √n
59.838843776783
5 √n
26.398943997406
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
-12821320
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 12821321 can be divided by 8 positive divisors.
The sum of these divisors (counting 12821321) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111010001101001001
3
Ternary
220010101112202
4
Quaternary
300322031021
5
Quinary
11240240241
6
Senary
1134445545
8
Octal
60721511
10
Decimal
12821321
12
Duodecimal
43638b5
16
Hexadecimal
c3a349
20
Vigesimal
402d61
36
Base36
7mszt
md5
f2b78ef5b32f2ed6447c328f556c5d24
sha1
1f5f5ee750da4a85ddda1c09042404c6e0fa31a1
sha256
29717f083f8cd85889e6a15d10d5a25e010a629d7f0c51550c2e9c3175d7eca0
sha512
3ecac9ec3d71609b38a8f62b8d046b4bd2a910d658bbf06f36a9a1f94339d53961d4adc365e0a6d8f620a71859692ef2d852f4125c625a5e8f30929e0f0f36c7
ripemd-160
6f60b6c886357956dfc0ee11111a597acc86c761
Diameter
25642642
Circumference
80558735.725833
Area
5.1643470504754E+14
Volume
8.8285001719397E+21
Surface area
2.0657388201901E+15
Circumference
80558735.725833
Perimeter
51285284
Area
164386272185041
Diagonal
18132086.045739
Surface area
986317633110246
Volume
2.1076491636778E+21
Space diagonal
22207179.39215
Perimeter
38463963
Area
71181343872834
Altitude
11103589.696075
Surface area
71181343872834
Volume
2.4838883599979E+20
Height
6044028.681913