12912665 is an odd 8-digits composite number following 12912664
and preceding 12912666 . In scientific notation, it is written as 1.2912665 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10275840 positive integers (up to 12912665) that are relatively prime to 12912665.
12912665 has 8 divisors, whose sum is 15576648
The reverse of 12912665 is 56621921
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million nine hundred twelve thousand six hundred sixty-five
Scientific notation
1.2912665 × 10^7
Engineering notation
1.2912665 × 10^6
Prime Factorization
5 × 193 × 13381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12912665
Product of the distinct prime numbers
The prime factorization of 12912665 is 5 × 193 × 13381.
Since it has a total of 3 prime factors.
2 , 9 , 62 , 92 , 262 , 135 , 8687 , 7991 , 51732 , 91863 , 910078 , 100617 , 1571650 , 6740084 , 53079879 , 53402141 , 117137150 , 899299255 , 179516064 , 2747235909
n×2
25825330
n×3
38737995
n×4
51650660
n×5
64563325
n÷2
6456332.5
n÷3
4304221.6666667
n÷3
3228166.25
n÷5
2582533
n2
166736917402225
n3
2.1530179575476E+21
n4
2.7801199624796E+28
n5
3.5898757735312E+35
2 √n
3593.4196804715
3 √n
234.60573697744
4 √n
59.945138922781
5 √n
26.436452496211
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
-12912664
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 12912665 can be divided by 8 positive divisors.
The sum of these divisors (counting 12912665) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010000100000011001
3
Ternary
220022000211212
4
Quaternary
301100200121
5
Quinary
11301201130
6
Senary
1140432505
8
Octal
61204031
10
Decimal
12912665
12
Duodecimal
43a8735
16
Hexadecimal
c50819
20
Vigesimal
40e1d5
36
Base36
7orh5
md5
74769ea3cdc82b6b621b15f56bf088a8
sha1
5b09104d2845e05518d9d44a6c0f2d22cbeb954d
sha256
4c7ee305e6f0dd4dfa8b46ee9f062193d76b6bd1d87211ee9fcc25f8d822020a
sha512
82a246fa32666c29c2ef59cc7af8eb92ce7df543caddcf2d647826b84f61164e9e9a94139b2e3957f8b6b9709016f98e866906cdfdfdf8de1819281b6db0bf99
ripemd-160
6cf1a6f4fb6b58e6182fb77d55ba7f28d57bd409
Diameter
25825330
Circumference
81132667.004532
Area
5.2381947479304E+14
Volume
9.0185405313046E+21
Surface area
2.0952778991722E+15
Circumference
81132667.004532
Perimeter
51650660
Area
166736917402225
Diagonal
18261265.96938
Surface area
1000421504413350
Volume
2.1530179575476E+21
Space diagonal
22365391.841116
Perimeter
38737995
Area
72199203109517
Altitude
11182695.920558
Surface area
72199203109517
Volume
2.5373559963305E+20
Height
6087088.6564601