13661405 is an odd 8-digits composite number following 13661404
and preceding 13661406 . In scientific notation, it is written as 1.3661405 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 10542720 positive integers (up to 13661405) that are relatively prime to 13661405.
13661405 has 16 divisors, whose sum is 16982784
The reverse of 13661405 is 50416631
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirteen million six hundred sixty-one thousand four hundred five
Scientific notation
1.3661405 × 10^7
Engineering notation
1.3661405 × 10^6
Prime Factorization
5 × 41 × 103 × 647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13661405
Product of the distinct prime numbers
The prime factorization of 13661405 is 5 × 41 × 103 × 647.
Since it has a total of 4 prime factors.
5 , 1 , 90 , 79 , 585 , 408 , 2850 , 1674 , 67029 , 33120 , 808834 , 968943 , 8987870 , 1961858 , 81302171 , 65386282 , 24178475 , 477154379 , 3750811179 , 3247835306
n×2
27322810
n×3
40984215
n×4
54645620
n×5
68307025
n÷2
6830702.5
n÷3
4553801.6666667
n÷3
3415351.25
n÷5
2732281
n2
186633986574025
n3
2.5496824773523E+21
n4
3.4832244944513E+28
n5
4.758574052462E+35
2 √n
3696.1337908685
3 √n
239.05534335732
4 √n
60.795836953434
5 √n
26.736162569297
1 , 5 , 41 , 103 , 205 , 515 , 647 , 3235 , 4223 , 21115 , 26527 , 66641 , 132635 , 333205 , 2732281 , 13661405
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13661404
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13661405 can be divided by 16 positive divisors.
The sum of these divisors (counting 13661405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110100000111010011011101
3
Ternary
221201001220222
4
Quaternary
310013103131
5
Quinary
11444131110
6
Senary
1204451125
8
Octal
64072335
10
Decimal
13661405
12
Duodecimal
46a9aa5
16
Hexadecimal
d074dd
20
Vigesimal
457da5
36
Base36
84t7h
md5
86d2a154c3f366f562758575eb62deab
sha1
07d4aef246228a6a396842d6178739cf715a7662
sha256
744ec93e82421cac7fd14ea4c944fd88dda14b0d807f10b1b97d7d4aa6969903
sha512
5d602c86e218980e6a9f96aea7391582650ef1d5206a3c0be28791f33cb87ffb5897ea31eaa5dc75b06254a4df2b683b419494fa8e4d1b1cb66da548432752f5
ripemd-160
1820023a75b62e02ef2343f0be68addc27946544
Diameter
27322810
Circumference
85837139.17143
Area
5.8632796113113E+14
Volume
1.0680084986449E+22
Surface area
2.3453118445245E+15
Circumference
85837139.17143
Perimeter
54645620
Area
186633986574025
Diagonal
19320144.232072
Surface area
1119803919444150
Volume
2.5496824773523E+21
Space diagonal
23662247.562775
Perimeter
40984215
Area
80814886791335
Altitude
11831123.781388
Surface area
80814886791335
Volume
3.0048296160139E+20
Height
6440048.0773572