12965981 (number)

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.

Interesting facts

Basic properties

Name

Name twelve million nine hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.2965981 × 10^7
Engineering notation 1.2965981 × 10^6

Prime Factorization of 12965981

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.

Most popular turbo-numbers

Basic calculations (n = 12965981)

Multiplication

n×y
n×2 25931962
n×3 38897943
n×4 51863924
n×5 64829905

Division

n÷y
n÷2 6482990.5
n÷3 4321993.6666667
n÷3 3241495.25
n÷5 2593196.2

Exponentiation

ny
n2 168116663292361
n3 2.1797974620322E+21
n4 2.8263212476557E+28
n5 3.6646027597E+35

Nth Root

y√n
2√n 3600.8305986258
3√n 234.92818689965
4√n 60.006921256017
5√n 26.458247590593

Divisors of 12965981

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 conversion 12965981

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

Cryptographic Hash Functions

md5 13290ed05c1786fef6ab2b24920f08ef
sha1 031f8024fd6f4d4c71febb81dc7016714fd649d4
sha256 098ac952121b0050af9483c8c1e4216e28849685e282e48f42e749d599f99f15
sha512 672a468d266295f566e9d459412109b5d94dabebee3cbfec52262c763eeea53ea4d9a9e5a86c5f2e49fe40121f7db7edfa8c80647fb6f653470001903037ced3
ripemd-160 c0171a6aace2a4e13061d72f1051b1f1ba29475d

12965981 as geometric shapes

Circle

Radius = n
Diameter 25931962
Circumference 81467661.31237
Area 5.2815407434531E+14

Sphere

Radius = n
Volume 9.1307142573785E+21
Surface area 2.1126162973812E+15
Circumference 81467661.31237

Square

Length = n
Perimeter 51863924
Area 168116663292361
Diagonal 18336666.179672

Cube

Length = n
Surface area 1008699979754166
Volume 2.1797974620322E+21
Space diagonal 22457737.861973

Equilateral Triangle

Length = n
Perimeter 38897943
Area 72796650605330
Altitude 11228868.930986

Triangular Pyramid

Length = n
Surface area 72796650605330
Volume 2.5689159450269E+20
Height 6112222.0598906