12965981 is an odd 8-digits composite number following 12965980
and preceding 12965982 . In scientific notation, it is written as 1.2965981 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 11113692 positive integers (up to 12965981) that are relatively prime to 12965981.
12965981 has 4 divisors, whose sum is 14818272
The reverse of 12965981 is 18956921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million nine hundred sixty-five thousand nine hundred eighty-one
Scientific notation
1.2965981 × 10^7
Engineering notation
1.2965981 × 10^6
Prime Factorization
7 × 1852283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12965981
Product of the distinct prime numbers
The prime factorization of 12965981 is 7 × 1852283.
Since it has a total of 2 prime factors.
8 , 4 , 24 , 88 , 742 , 645 , 1693 , 9177 , 66683 , 50196 , 697210 , 944817 , 4434396 , 9528919 , 59069589 , 55633961 , 941466625 , 793103573 , 1542998850 , 3032094727
n×2
25931962
n×3
38897943
n×4
51863924
n×5
64829905
n÷2
6482990.5
n÷3
4321993.6666667
n÷3
3241495.25
n÷5
2593196.2
n2
168116663292361
n3
2.1797974620322E+21
n4
2.8263212476557E+28
n5
3.6646027597E+35
2 √n
3600.8305986258
3 √n
234.92818689965
4 √n
60.006921256017
5 √n
26.458247590593
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
-12965980
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 12965981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12965981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011101100001011101
3
Ternary
220101201222112
4
Quaternary
301131201131
5
Quinary
11304402411
6
Senary
1141523405
8
Octal
61354135
10
Decimal
12965981
12
Duodecimal
4413565
16
Hexadecimal
c5d85d
20
Vigesimal
410ej1
36
Base36
7pwm5
md5
13290ed05c1786fef6ab2b24920f08ef
sha1
031f8024fd6f4d4c71febb81dc7016714fd649d4
sha256
098ac952121b0050af9483c8c1e4216e28849685e282e48f42e749d599f99f15
sha512
672a468d266295f566e9d459412109b5d94dabebee3cbfec52262c763eeea53ea4d9a9e5a86c5f2e49fe40121f7db7edfa8c80647fb6f653470001903037ced3
ripemd-160
c0171a6aace2a4e13061d72f1051b1f1ba29475d
Diameter
25931962
Circumference
81467661.31237
Area
5.2815407434531E+14
Volume
9.1307142573785E+21
Surface area
2.1126162973812E+15
Circumference
81467661.31237
Perimeter
51863924
Area
168116663292361
Diagonal
18336666.179672
Surface area
1008699979754166
Volume
2.1797974620322E+21
Space diagonal
22457737.861973
Perimeter
38897943
Area
72796650605330
Altitude
11228868.930986
Surface area
72796650605330
Volume
2.5689159450269E+20
Height
6112222.0598906