12821620 is an even 8-digits composite number following 12821619
and preceding 12821621 . In scientific notation, it is written as 1.2821620 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 4395936 positive integers (up to 12821620) that are relatively prime to 12821620.
12821620 has 12 divisors, whose sum is 23079168
The reverse of 12821620 is 02612821
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twelve million eight hundred twenty-one thousand six hundred twenty
Scientific notation
1.2821620 × 10^7
Engineering notation
1.2821620 × 10^6
Prime Factorization
2 × 2 × 35 × 91583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6410810
Product of the distinct prime numbers
The prime factorization of 12821620 is 2 × 2 × 35 × 91583.
Since it has a total of 4 prime factors.
4 , 10 , 83 , 56 , 601 , 836 , 2030 , 3474 , 98515 , 162 , 108212 , 607776 , 2982464 , 4395523 , 77460501 , 35082434 , 271603976 , 223438591 , 9628620545 , 6559776615
n×2
25643240
n×3
38464860
n×4
51286480
n×5
64108100
n÷2
6410810
n÷3
4273873.3333333
n÷3
3205405
n÷5
2564324
n2
164393939424400
n3
2.1077966216027E+21
n4
2.7025367319473E+28
n5
3.4650899013071E+35
2 √n
3580.7289760606
3 √n
234.0530476075
4 √n
59.839192642119
5 √n
26.399067123731
1 , 2 , 4 , 35 , 70 , 140 , 91583 , 183166 , 366332 , 3205405 , 6410810 , 12821620
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821620 can be divided by 12 positive divisors.
The sum of these divisors (counting 12821620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000111010010001110100
3
Ternary
220010101221211
4
Quaternary
300322101310
5
Quinary
11240242440
6
Senary
1134451204
8
Octal
60722164
10
Decimal
12821620
12
Duodecimal
4363b04
16
Hexadecimal
c3a474
20
Vigesimal
402e10
36
Base36
7mt84
md5
3d17484c66f8677d3d3dbb839d8717d0
sha1
f0fe94f5a51f59a91121649c3c83f079f7168582
sha256
be8a5fdf3a07823ea87c84d8b99d451cca3d55460ee77d6c6dce8945d99d706c
sha512
99c24ba79eef565fc0d66f2a0f6efce6d68ad0935df39f41beaabc13567d62f64cdc3707b9c87da458925bb66807bb4ad49f1fc31cce64e0c37d8d4ab3156dfc
ripemd-160
ea42a5d56d05b3d8ebc949dd2a3d412d14e62eb0
Diameter
25643240
Circumference
80560614.39824
Area
5.1645879239038E+14
Volume
8.8291178422511E+21
Surface area
2.0658351695615E+15
Circumference
80560614.39824
Perimeter
51286480
Area
164393939424400
Diagonal
18132508.895594
Surface area
986363636546400
Volume
2.1077966216027E+21
Space diagonal
22207697.275341
Perimeter
38464860
Area
71184663884865
Altitude
11103848.637671
Surface area
71184663884865
Volume
2.4840621408289E+20
Height
6044169.6318647