12821660 is an even 8-digits composite number following 12821659
and preceding 12821661 . In scientific notation, it is written as 1.2821660 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 5128656 positive integers (up to 12821660) that are relatively prime to 12821660.
12821660 has 12 divisors, whose sum is 26925528
The reverse of 12821660 is 06612821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million eight hundred twenty-one thousand six hundred sixty
Scientific notation
1.2821660 × 10^7
Engineering notation
1.2821660 × 10^6
Prime Factorization
2 × 2 × 5 × 641083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6410830
Product of the distinct prime numbers
The prime factorization of 12821660 is 2 × 2 × 5 × 641083.
Since it has a total of 4 prime factors.
4 , 9 , 35 , 43 , 877 , 980 , 3196 , 6397 , 82979 , 79488 , 794209 , 955624 , 3957240 , 5279889 , 79602021 , 3720435 , 88883754 , 86982884 , 5908513791 , 5691821786
n×2
25643320
n×3
38464980
n×4
51286640
n×5
64108300
n÷2
6410830
n÷3
4273886.6666667
n÷3
3205415
n÷5
2564332
n2
164394965155600
n3
2.107816348937E+21
n4
2.7025704568511E+28
n5
3.4651439523789E+35
2 √n
3580.7345615111
3 √n
234.0532910014
4 √n
59.839239312604
5 √n
26.399083595305
1 , 2 , 4 , 5 , 10 , 20 , 641083 , 1282166 , 2564332 , 3205415 , 6410830 , 12821660
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
-12821659
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 12821660 can be divided by 12 positive divisors.
The sum of these divisors (counting 12821660) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000111010010010011100
3
Ternary
220010102000022
4
Quaternary
300322102130
5
Quinary
11240243120
6
Senary
1134451312
8
Octal
60722234
10
Decimal
12821660
12
Duodecimal
4363b38
16
Hexadecimal
c3a49c
20
Vigesimal
402e30
36
Base36
7mt98
md5
cbcba7e262fdf0e8a46d6b9e4fd8f152
sha1
761eb916446a0daec499e77635ee8a9e31c0dcc2
sha256
f08dcccbee0d5ef08c60c39506b4000d36c9f55fd497299accbb375c7499481d
sha512
718b63210274421eb3774c2dc91a7262bbb7cb284ee648c171e276f510b6bc24d3a6f4eb62c83979119422015bb34c6c4b199f0f23d26fb16cdf4f70f88b8c32
ripemd-160
337afa88922d4b6a2e16071f27547b87ebe7ff1d
Diameter
25643320
Circumference
80560865.725652
Area
5.1646201481998E+14
Volume
8.8292004759157E+21
Surface area
2.0658480592799E+15
Circumference
80560865.725652
Perimeter
51286640
Area
164394965155600
Diagonal
18132565.464137
Surface area
986369790933600
Volume
2.107816348937E+21
Space diagonal
22207766.557374
Perimeter
38464980
Area
71185108039504
Altitude
11103883.278687
Surface area
71185108039504
Volume
2.4840853897153E+20
Height
6044188.4880455