13506781 (number)

13506781 is an odd 8-digits composite number following 13506780 and preceding 13506782. In scientific notation, it is written as 1.3506781 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 13499200 positive integers (up to 13506781) that are relatively prime to 13506781.

Interesting facts

Basic properties

Name

Name thirteen million five hundred six thousand seven hundred eighty-one

Notation

Scientific notation 1.3506781 × 10^7
Engineering notation 1.3506781 × 10^6

Prime Factorization of 13506781

Prime Factorization 2861 × 4721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13506781
Product of the distinct prime numbers

The prime factorization of 13506781 is 2861 × 4721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13506781)

Multiplication

n×y
n×2 27013562
n×3 40520343
n×4 54027124
n×5 67533905

Division

n÷y
n÷2 6753390.5
n÷3 4502260.3333333
n÷3 3376695.25
n÷5 2701356.2

Exponentiation

ny
n2 182433132981961
n3 2.4640843743312E+21
n4 3.3281848009614E+28
n5 4.4953063234114E+35

Nth Root

y√n
2√n 3675.1572755462
3√n 238.15001840549
4√n 60.623075437874
5√n 26.67536506405

Divisors of 13506781

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 -13506780
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 13506781 can be divided by 4 positive divisors. The sum of these divisors (counting 13506781) is 1, the average is 0.25.

Base conversion 13506781

Base System Value
2 Binary 110011100001100011011101
3 Ternary 221102012211011
4 Quaternary 303201203131
5 Quinary 11424204111
6 Senary 1201255221
8 Octal 63414335
10 Decimal 13506781
12 Duodecimal 4634511
16 Hexadecimal ce18dd
20 Vigesimal 4486j1
36 Base36 81hwd

Cryptographic Hash Functions

md5 71aee31f0599d85681e7b36619db4602
sha1 b1dfccc561e67abd063f72a94f7a5b5d1e71b0cc
sha256 8faf9666189db6c3bf37b2b97686c4fe762e2d782ce13061322ec669c49573f3
sha512 ec82cc2075fd9a228c8e986f9f0501e490eec287423d7ff4f9dd61aaf3525bde6aac3200b21be1eede1e6aa4ac7efd78bb0be1ee5e46b755dcf5281b3d71a18b
ripemd-160 835ddec60e3f00c16641cb87aad69382e90ec575

13506781 as geometric shapes

Circle

Radius = n
Diameter 27013562
Circumference 84865607.926492
Area 5.731305903475E+14

Sphere

Radius = n
Volume 1.0321532490966E+22
Surface area 2.29252236139E+15
Circumference 84865607.926492

Square

Length = n
Perimeter 54027124
Area 182433132981961
Diagonal 19101472.874203

Cube

Length = n
Surface area 1094598797891766
Volume 2.4640843743312E+21
Space diagonal 23394430.938706

Equilateral Triangle

Length = n
Perimeter 40520343
Area 78995863827181
Altitude 11697215.469353

Triangular Pyramid

Length = n
Surface area 78995863827181
Volume 2.9039512841757E+20
Height 6367157.6247344