12981491 (number)

12981491 is an odd 8-digits prime number following 12981490 and preceding 12981492. In scientific notation, it is written as 1.2981491 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 12981490 positive integers (up to 12981491) that are relatively prime to 12981491.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand four hundred ninety-one

Notation

Scientific notation 1.2981491 × 10^7
Engineering notation 1.2981491 × 10^6

Prime Factorization of 12981491

Prime Factorization 12981491

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 12981491
Product of the distinct prime numbers

The prime factorization of 12981491 is 12981491. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981491)

Multiplication

n×y
n×2 25962982
n×3 38944473
n×4 51925964
n×5 64907455

Division

n÷y
n÷2 6490745.5
n÷3 4327163.6666667
n÷3 3245372.75
n÷5 2596298.2

Exponentiation

ny
n2 168519108583081
n3 2.1876292913993E+21
n4 2.8398689957636E+28
n5 3.6865733809685E+35

Nth Root

y√n
2√n 3602.9836247199
3√n 235.0218238371
4√n 60.024858389837
5√n 26.464574473336

Divisors of 12981491

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 12981492
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 6490746
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3602.9837634938
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998459345
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981491 can be divided by 2 positive divisors. The sum of these divisors (counting 12981491) is 12981492, the average is 6490746.

Base conversion 12981491

Base System Value
2 Binary 110001100001010011110011
3 Ternary 220102112020222
4 Quaternary 301201103303
5 Quinary 11310401431
6 Senary 1142123255
8 Octal 61412363
10 Decimal 12981491
12 Duodecimal 442052b
16 Hexadecimal c614f3
20 Vigesimal 412deb
36 Base36 7q8kz

Cryptographic Hash Functions

md5 20a5cb271a4d99cc135dab64914e7c1b
sha1 827470168322b07e75222f771c85c00a7cb646d5
sha256 34facde8b2b86beb6ba83461d584dd41f3c1dcfce968d4beb5130d6402b3c6f3
sha512 e15347d1d7c0dc985fd1e8921cd21e8d2766f601352f7b8bab83ba9111f64484acb8316baf3ad86cdea0cf0541ec8824470d9364b4dc573d76afe3568850b018
ripemd-160 193748d7535122b7a5e93e285894a72f615463d2

12981491 as geometric shapes

Circle

Radius = n
Diameter 25962982
Circumference 81565113.516484
Area 5.2941839351411E+14

Sphere

Radius = n
Volume 9.1635201475171E+21
Surface area 2.1176735740564E+15
Circumference 81565113.516484

Square

Length = n
Perimeter 51925964
Area 168519108583081
Diagonal 18358600.632024

Cube

Length = n
Surface area 1011114651498486
Volume 2.1876292913993E+21
Space diagonal 22484601.969998

Equilateral Triangle

Length = n
Perimeter 38944473
Area 72970914528028
Altitude 11242300.984999

Triangular Pyramid

Length = n
Surface area 72970914528028
Volume 2.5781458444513E+20
Height 6119533.5440081