13291281 (number)

13291281 is an odd 8-digits composite number following 13291280 and preceding 13291282. In scientific notation, it is written as 1.3291281 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 8574840 positive integers (up to 13291281) that are relatively prime to 13291281.

Interesting facts

Basic properties

Name

Name thirteen million two hundred ninety-one thousand two hundred eighty-one

Notation

Scientific notation 1.3291281 × 10^7
Engineering notation 1.3291281 × 10^6

Prime Factorization of 13291281

Prime Factorization 9 × 31 × 47639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 13291281
Product of the distinct prime numbers

The prime factorization of 13291281 is 9 × 31 × 47639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13291281)

Multiplication

n×y
n×2 26582562
n×3 39873843
n×4 53165124
n×5 66456405

Division

n÷y
n÷2 6645640.5
n÷3 4430427
n÷3 3322820.25
n÷5 2658256.2

Exponentiation

ny
n2 176658150620961
n3 2.3480131208435E+21
n4 3.1208102180818E+28
n5 4.1479565556197E+35

Nth Root

y√n
2√n 3645.7209163621
3√n 236.87666498413
4√n 60.379805534318
5√n 26.589695748493

Divisors of 13291281

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13291280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13291281 can be divided by 8 positive divisors. The sum of these divisors (counting 13291281) is 1, the average is 0.125.

Base conversion 13291281

Base System Value
2 Binary 110010101100111100010001
3 Ternary 221000021012200
4 Quaternary 302230330101
5 Quinary 11400310111
6 Senary 1152513413
8 Octal 62547421
10 Decimal 13291281
12 Duodecimal 454b869
16 Hexadecimal cacf11
20 Vigesimal 431841
36 Base36 7wvm9

Cryptographic Hash Functions

md5 b903d063fefd3b9743f8b9d11598f950
sha1 92287d3532a374f53e1520f8c5384715b0a649b7
sha256 54c0ccf86283ac4af0e4fe52e5b6d0ea2c1445984951188cd9a7acfd40ef1d24
sha512 72af0aaa525937bc09956d436f975981f7f55093c1fae46e47b0d71222c91ebaec0e4cd791cda7069f418d767fa15dc1bb9d575cb4120e71afc0f050b55e0172
ripemd-160 0ce33b380ad98ebc2b2ab45b8be1db8a2df2265b

13291281 as geometric shapes

Circle

Radius = n
Diameter 26582562
Circumference 83511581.492795
Area 5.5498794818757E+14

Sphere

Radius = n
Volume 9.8353343612992E+21
Surface area 2.2199517927503E+15
Circumference 83511581.492795

Square

Length = n
Perimeter 53165124
Area 176658150620961
Diagonal 18796709.851512

Cube

Length = n
Surface area 1059948903725766
Volume 2.3480131208435E+21
Space diagonal 23021173.989675

Equilateral Triangle

Length = n
Perimeter 39873843
Area 76495223111665
Altitude 11510586.994837

Triangular Pyramid

Length = n
Surface area 76495223111665
Volume 2.7671600001057E+20
Height 6265569.9505039