13661431 is an odd 8-digits composite number following 13661430
and preceding 13661432 . In scientific notation, it is written as 1.3661431 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 11709792 positive integers (up to 13661431) that are relatively prime to 13661431.
13661431 has 4 divisors, whose sum is 15613072
The reverse of 13661431 is 13416631
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirteen million six hundred sixty-one thousand four hundred thirty-one
Scientific notation
1.3661431 × 10^7
Engineering notation
1.3661431 × 10^6
Prime Factorization
7 × 1951633
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13661431
Product of the distinct prime numbers
The prime factorization of 13661431 is 7 × 1951633.
Since it has a total of 2 prime factors.
5 , 10 , 89 , 30 , 217 , 442 , 543 , 5440 , 72240 , 97695 , 261859 , 923521 , 2986183 , 8903807 , 69214509 , 97376548 , 42135387 , 260494010 , 1186753195 , 432950480
n×2
27322862
n×3
40984293
n×4
54645724
n×5
68307155
n÷2
6830715.5
n÷3
4553810.3333333
n÷3
3415357.75
n÷5
2732286.2
n2
186634696967761
n3
2.549697034831E+21
n4
3.4832510112248E+28
n5
4.7586193345528E+35
2 √n
3696.1373080555
3 √n
239.05549501168
4 √n
60.795865879643
5 √n
26.736172745991
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
-13661430
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 13661431 can be divided by 4 positive divisors.
The sum of these divisors (counting 13661431) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100000111010011110111
3
Ternary
221201001221221
4
Quaternary
310013103313
5
Quinary
11444131211
6
Senary
1204451211
8
Octal
64072367
10
Decimal
13661431
12
Duodecimal
46a9b07
16
Hexadecimal
d074f7
20
Vigesimal
457dbb
36
Base36
84t87
md5
3770465326d09b61d75966db80948566
sha1
857d44a3549d4c0b869d05d6a81408c9908e41e7
sha256
0a691c8c5e48e093b346a838da08a8fc6d80134897ce5d16155cc3b8a15f86d8
sha512
e9109e95c61d6ecbedd5432a951b0337b0f95ad1852e5276132f7beb85963b2c0e6c0681b67b82df35746a8699ee730c2cae193f168108e99c11a7dde7465dbb
ripemd-160
9ba787358632d3414428dc7f4999200b085ae833
Diameter
27322862
Circumference
85837302.534248
Area
5.8633019289888E+14
Volume
1.0680145964673E+22
Surface area
2.3453207715955E+15
Circumference
85837302.534248
Perimeter
54645724
Area
186634696967761
Diagonal
19320181.001624
Surface area
1119808181806566
Volume
2.549697034831E+21
Space diagonal
23662292.596096
Perimeter
40984293
Area
80815194400846
Altitude
11831146.298048
Surface area
80815194400846
Volume
3.004846772167E+20
Height
6440060.3338747