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.
13506781 has 4 divisors, whose sum is 13514364
The reverse of 13506781 is 18760531
Previous prime number is 2861
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirteen million five hundred six thousand seven hundred eighty-one
Scientific notation
1.3506781 × 10^7
Engineering notation
1.3506781 × 10^6
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.
6 , 6 , 54 , 3 , 456 , 669 , 2632 , 3946 , 26573 , 49947 , 584464 , 515974 , 8589975 , 7439478 , 2155824 , 19573964 , 493672198 , 940322075 , 8802884902 , 6999163709
n×2
27013562
n×3
40520343
n×4
54027124
n×5
67533905
n÷2
6753390.5
n÷3
4502260.3333333
n÷3
3376695.25
n÷5
2701356.2
n2
182433132981961
n3
2.4640843743312E+21
n4
3.3281848009614E+28
n5
4.4953063234114E+35
2 √n
3675.1572755462
3 √n
238.15001840549
4 √n
60.623075437874
5 √n
26.67536506405
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
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
md5
71aee31f0599d85681e7b36619db4602
sha1
b1dfccc561e67abd063f72a94f7a5b5d1e71b0cc
sha256
8faf9666189db6c3bf37b2b97686c4fe762e2d782ce13061322ec669c49573f3
sha512
ec82cc2075fd9a228c8e986f9f0501e490eec287423d7ff4f9dd61aaf3525bde6aac3200b21be1eede1e6aa4ac7efd78bb0be1ee5e46b755dcf5281b3d71a18b
ripemd-160
835ddec60e3f00c16641cb87aad69382e90ec575
Diameter
27013562
Circumference
84865607.926492
Area
5.731305903475E+14
Volume
1.0321532490966E+22
Surface area
2.29252236139E+15
Circumference
84865607.926492
Perimeter
54027124
Area
182433132981961
Diagonal
19101472.874203
Surface area
1094598797891766
Volume
2.4640843743312E+21
Space diagonal
23394430.938706
Perimeter
40520343
Area
78995863827181
Altitude
11697215.469353
Surface area
78995863827181
Volume
2.9039512841757E+20
Height
6367157.6247344