12866981 (number)

12866981 is an odd 8-digits composite number following 12866980 and preceding 12866982. In scientific notation, it is written as 1.2866981 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 12423264 positive integers (up to 12866981) that are relatively prime to 12866981.

Interesting facts

Basic properties

Name

Name twelve million eight hundred sixty-six thousand nine hundred eighty-one

Notation

Scientific notation 1.2866981 × 10^7
Engineering notation 1.2866981 × 10^6

Prime Factorization of 12866981

Prime Factorization 29 × 443689

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12866981
Product of the distinct prime numbers

The prime factorization of 12866981 is 29 × 443689. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12866981)

Multiplication

n×y
n×2 25733962
n×3 38600943
n×4 51467924
n×5 64334905

Division

n÷y
n÷2 6433490.5
n÷3 4288993.6666667
n÷3 3216745.25
n÷5 2573396.2

Exponentiation

ny
n2 165559200054361
n3 2.1302470814747E+21
n4 2.740984872264E+28
n5 3.5268200272708E+35

Nth Root

y√n
2√n 3587.0574291472
3√n 234.32873779652
4√n 59.892048129507
5√n 26.417719946972

Divisors of 12866981

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 -12866980
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 12866981 can be divided by 4 positive divisors. The sum of these divisors (counting 12866981) is 1, the average is 0.25.

Base conversion 12866981

Base System Value
2 Binary 110001000101010110100101
3 Ternary 220012201011212
4 Quaternary 301011112211
5 Quinary 11243220411
6 Senary 1135441205
8 Octal 61052645
10 Decimal 12866981
12 Duodecimal 4386205
16 Hexadecimal c455a5
20 Vigesimal 408791
36 Base36 7ns85

Cryptographic Hash Functions

md5 3ab23704fb9141ecece342cc23a13f60
sha1 8d4021bef37a8e91b4d3c4def5be20d5067d09b7
sha256 f48a4408c5cdeda615e986df92424b2a7cb11ec7f5c2416a68f735e6f23fff91
sha512 3e7577bf2907b8648f3c98f73465c324f64c3d50982ff1480581955ec01621db47c3177f7ad8e8100be404d53a4cf9c5c6c5d4b28c771cc9a922a10bce55ab8e
ripemd-160 01b78e69869091cb4f32d7b2ca998d773ea6a88a

12866981 as geometric shapes

Circle

Radius = n
Diameter 25733962
Circumference 80845625.966959
Area 5.2011956662498E+14

Sphere

Radius = n
Volume 8.9231581086559E+21
Surface area 2.0804782664999E+15
Circumference 80845625.966959

Square

Length = n
Perimeter 51467924
Area 165559200054361
Diagonal 18196659.036997

Cube

Length = n
Surface area 993355200326166
Volume 2.1302470814747E+21
Space diagonal 22286264.832023

Equilateral Triangle

Length = n
Perimeter 38600943
Area 71689236538653
Altitude 11143132.416012

Triangular Pyramid

Length = n
Surface area 71689236538653
Volume 2.5105202615226E+20
Height 6065553.0123323