12821980 is an even 8-digits composite number following 12821979
and preceding 12821981 . In scientific notation, it is written as 1.2821980 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 4989888 positive integers (up to 12821980) that are relatively prime to 12821980.
12821980 has 24 divisors, whose sum is 27655488
The reverse of 12821980 is 08912821
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million eight hundred twenty-one thousand nine hundred eighty
Scientific notation
1.2821980 × 10^7
Engineering notation
1.2821980 × 10^6
Prime Factorization
2 × 2 × 5 × 37 × 17327
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6410990
Product of the distinct prime numbers
The prime factorization of 12821980 is 2 × 2 × 5 × 37 × 17327.
Since it has a total of 5 prime factors.
10 , 5 , 13 , 48 , 491 , 287 , 8501 , 9929 , 84605 , 11877 , 514286 , 521940 , 2458103 , 9180458 , 7013856 , 47652302 , 184206654 , 390946379 , 6080400365 , 5252041720
n×2
25643960
n×3
38465940
n×4
51287920
n×5
64109900
n÷2
6410990
n÷3
4273993.3333333
n÷3
3205495
n÷5
2564396
n2
164403171120400
n3
2.1079741720423E+21
n4
2.7028402674444E+28
n5
3.4655763852366E+35
2 √n
3580.7792448013
3 √n
234.05523813435
4 √n
59.839612672554
5 √n
26.399215366424
1 , 2 , 4 , 5 , 10 , 20 , 37 , 74 , 148 , 185 , 370 , 740 , 17327 , 34654 , 69308 , 86635 , 173270 , 346540 , 641099 , 1282198 , 2564396 , 3205495 , 6410990 , 12821980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821980 can be divided by 24 positive divisors.
The sum of these divisors (counting 12821980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111010010111011100
3
Ternary
220010102110011
4
Quaternary
300322113130
5
Quinary
11240300410
6
Senary
1134453004
8
Octal
60722734
10
Decimal
12821980
12
Duodecimal
4364164
16
Hexadecimal
c3a5dc
20
Vigesimal
402ej0
36
Base36
7mti4
md5
b552566a73143dfdeda593443d8321b5
sha1
7df2387780354b0c80147ba19dae7cb67241bc9c
sha256
689ea56069432ef8c2d92bd4047413162bf0610529c803caa8331535a5834a52
sha512
e6b14dcd97732235256dcdcb8935d2f6e74df4d366b60370607b8e6a3cf4425cc974af6391336b0ac52a59578ce3135001b5f519ef0c49b1f0f8df49d8ea154e
ripemd-160
4030f7bf0b17969e03208318ded553d87eb6463e
Diameter
25643960
Circumference
80562876.344951
Area
5.1648779461871E+14
Volume
8.8298615637937E+21
Surface area
2.0659511784749E+15
Circumference
80562876.344951
Perimeter
51287920
Area
164403171120400
Diagonal
18133018.012477
Surface area
986419026722400
Volume
2.1079741720423E+21
Space diagonal
22208320.813632
Perimeter
38465940
Area
71188661326493
Altitude
11104160.406816
Surface area
71188661326493
Volume
2.4842713860287E+20
Height
6044339.3374922