13661918 is an even 8-digits composite number following 13661917
and preceding 13661919 . In scientific notation, it is written as 1.3661918 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 6830958 positive integers (up to 13661918) that are relatively prime to 13661918.
13661918 has 4 divisors, whose sum is 20492880
The reverse of 13661918 is 81916631
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirteen million six hundred sixty-one thousand nine hundred eighteen
Scientific notation
1.3661918 × 10^7
Engineering notation
1.3661918 × 10^6
Prime Factorization
2 × 6830959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13661918
Product of the distinct prime numbers
The prime factorization of 13661918 is 2 × 6830959.
Since it has a total of 2 prime factors.
4 , 3 , 59 , 74 , 502 , 169 , 484 , 4490 , 15707 , 28874 , 80847 , 270863 , 7576721 , 432869 , 37800416 , 62960055 , 529121165 , 445928157 , 3806110854 , 5087616920
n×2
27323836
n×3
40985754
n×4
54647672
n×5
68309590
n÷2
6830959
n÷3
4553972.6666667
n÷3
3415479.5
n÷5
2732383.6
n2
186648003438724
n3
2.5499697178436E+21
n4
3.4837477187662E+28
n5
4.7594675666471E+35
2 √n
3696.2031870556
3 √n
239.05833557899
4 √n
60.796407682162
5 √n
26.736363360437
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
-13661917
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 13661918 can be divided by 4 positive divisors.
The sum of these divisors (counting 13661918) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100000111011011011110
3
Ternary
221201002121222
4
Quaternary
310013123132
5
Quinary
11444140133
6
Senary
1204453342
8
Octal
64073336
10
Decimal
13661918
12
Duodecimal
46aa252
16
Hexadecimal
d076de
20
Vigesimal
457efi
36
Base36
84tlq
md5
50489167ea579f03eb5ba8d652b29308
sha1
52d97fd5a508be2fbe12970eca3f115917310edb
sha256
9a1632e3e5fcb54a0081643f049862d1574fa63f8eea428d703aee3f5ad7dbc3
sha512
cc9a45ec9e822046d65bc146745ba96bb0aaaaf074e4d12630be3bd41a40f1d861fb018167129dd76a1e852b03a7c48880a5e02bd0691eea191919f0a11223a7
ripemd-160
b121558c6bb446ae675f5def1bf224284da77b48
Diameter
27323836
Circumference
85840362.445492
Area
5.863719964103E+14
Volume
1.0681288176605E+22
Surface area
2.3454879856412E+15
Circumference
85840362.445492
Perimeter
54647672
Area
186648003438724
Diagonal
19320869.723629
Surface area
1119888020632344
Volume
2.5499697178436E+21
Space diagonal
23663136.10484
Perimeter
40985754
Area
80820956271790
Altitude
11831568.05242
Surface area
80820956271790
Volume
3.0051681321792E+20
Height
6440289.9078764