12665621 is an odd 8-digits composite number following 12665620
and preceding 12665622 . In scientific notation, it is written as 1.2665621 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 12657600 positive integers (up to 12665621) that are relatively prime to 12665621.
12665621 has 4 divisors, whose sum is 12673644
The reverse of 12665621 is 12656621
Previous prime number is 5861
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million six hundred sixty-five thousand six hundred twenty-one
Scientific notation
1.2665621 × 10^7
Engineering notation
1.2665621 × 10^6
Prime Factorization
5861 × 2161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12665621
Product of the distinct prime numbers
The prime factorization of 12665621 is 5861 × 2161.
Since it has a total of 2 prime factors.
2 , 1 , 81 , 1 , 132 , 831 , 6130 , 5554 , 48064 , 81134 , 501140 , 116696 , 9936283 , 1040201 , 52108116 , 1382124 , 638189740 , 488688375 , 755409515 , 3935868766
n×2
25331242
n×3
37996863
n×4
50662484
n×5
63328105
n÷2
6332810.5
n÷3
4221873.6666667
n÷3
3166405.25
n÷5
2533124.2
n2
160417955315641
n3
2.0317930236228E+21
n4
2.5733920387651E+28
n5
3.2593608247416E+35
2 √n
3558.8791774939
3 √n
233.09994054849
4 √n
59.656342307369
5 √n
26.334513377447
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12665620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12665621 can be divided by 4 positive divisors.
The sum of these divisors (counting 12665621) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000010100001100010101
3
Ternary
212211110222002
4
Quaternary
300110030111
5
Quinary
11220244441
6
Senary
1131245045
8
Octal
60241425
10
Decimal
12665621
12
Duodecimal
42a9785
16
Hexadecimal
c14315
20
Vigesimal
3j3411
36
Base36
7jgut
md5
88b7ccf92ace4b309c17bda4fa696f82
sha1
de052150ef50600690205479aa52c343e17c698f
sha256
c520a15496b301f4e04af109b1379dc6aefd067a5bfaab63f17b0fc229e6eba4
sha512
e326182a069b5a11e708c7cfb6e47b723eb9cb83c4fe4fb5ab91a46acbc2b4fc197f68b38e878fbc880eab0effeeb69e8864be54f0c1dbc8b9b257c8b14b47c0
ripemd-160
9b78e90641f9016ca3e6c64178cb0001f350d8be
Diameter
25331242
Circumference
79580443.773505
Area
5.0396786992351E+14
Volume
8.5107547155047E+21
Surface area
2.0158714796941E+15
Circumference
79580443.773505
Perimeter
50662484
Area
160417955315641
Diagonal
17911892.994077
Surface area
962507731893846
Volume
2.0317930236228E+21
Space diagonal
21937499.081411
Perimeter
37996863
Area
69463012263251
Altitude
10968749.540706
Surface area
69463012263251
Volume
2.3944910416187E+20
Height
5970630.9980258