12936721 is an odd 8-digits composite number following 12936720
and preceding 12936722 . In scientific notation, it is written as 1.2936721 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 11088612 positive integers (up to 12936721) that are relatively prime to 12936721.
12936721 has 4 divisors, whose sum is 14784832
The reverse of 12936721 is 12763921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million nine hundred thirty-six thousand seven hundred twenty-one
Scientific notation
1.2936721 × 10^7
Engineering notation
1.2936721 × 10^6
Prime Factorization
7 × 1848103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12936721
Product of the distinct prime numbers
The prime factorization of 12936721 is 7 × 1848103.
Since it has a total of 2 prime factors.
9 , 5 , 3 , 36 , 434 , 33 , 4564 , 9846 , 8634 , 6387 , 418250 , 710526 , 4698927 , 1604879 , 41410026 , 643079 , 79404597 , 216981758 , 4992444618 , 4554321426
n×2
25873442
n×3
38810163
n×4
51746884
n×5
64683605
n÷2
6468360.5
n÷3
4312240.3333333
n÷3
3234180.25
n÷5
2587344.2
n2
167358750231841
n3
2.165073458658E+21
n4
2.8008951279164E+28
n5
3.6234398820113E+35
2 √n
3596.7653523687
3 √n
234.7513349763
4 √n
59.973038545406
5 √n
26.44629526565
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
-12936720
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 12936721 can be divided by 4 positive divisors.
The sum of these divisors (counting 12936721) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010110011000010001
3
Ternary
220100020211211
4
Quaternary
301112120101
5
Quinary
11302433341
6
Senary
1141140121
8
Octal
61263021
10
Decimal
12936721
12
Duodecimal
43ba641
16
Hexadecimal
c56611
20
Vigesimal
40h1g1
36
Base36
7pa1d
md5
1d5a55bb647fad70a4f4e6cc558579d2
sha1
a32c66238d9c40e7b259e1f0aad01a2c6d2534d3
sha256
7cebeb81e85dca45a25efc949514db64738a5809229e60a6849807ff6b0590c5
sha512
1cb1dafa1849973ca9e8607c2fd6cea91329a64933550d21a2a555d128bfd1143c7ee4b8f19e2b19e37d24a2fe9b56eba9bca8daef8b2a1f79778ccbac9c3526
ripemd-160
117a6b9649962150c86fe57b446892ff6b5a9249
Diameter
25873442
Circumference
81283815.310282
Area
5.2577302024232E+14
Volume
9.0690384962697E+21
Surface area
2.1030920809693E+15
Circumference
81283815.310282
Perimeter
51746884
Area
167358750231841
Diagonal
18295286.290837
Surface area
1004152501391046
Volume
2.165073458658E+21
Space diagonal
22407058.055343
Perimeter
38810163
Area
72468464623195
Altitude
11203529.027672
Surface area
72468464623195
Volume
2.5515635406402E+20
Height
6098428.7636123