13809905 is an odd 8-digits composite number following 13809904
and preceding 13809906 . In scientific notation, it is written as 1.3809905 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 11047920 positive integers (up to 13809905) that are relatively prime to 13809905.
13809905 has 4 divisors, whose sum is 16571892
The reverse of 13809905 is 50990831
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirteen million eight hundred nine thousand nine hundred five
Scientific notation
1.3809905 × 10^7
Engineering notation
1.3809905 × 10^6
Prime Factorization
5 × 2761981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13809905
Product of the distinct prime numbers
The prime factorization of 13809905 is 5 × 2761981.
Since it has a total of 2 prime factors.
2 , 6 , 29 , 69 , 639 , 450 , 6421 , 4833 , 37744 , 8108 , 567701 , 604727 , 9506609 , 27475 , 49336445 , 85778695 , 826550546 , 347394653 , 7144719650 , 3082388936
n×2
27619810
n×3
41429715
n×4
55239620
n×5
69049525
n÷2
6904952.5
n÷3
4603301.6666667
n÷3
3452476.25
n÷5
2761981
n2
190713476109025
n3
2.6337349872854E+21
n4
3.6371629969588E+28
n5
5.0228875457516E+35
2 √n
3716.1680532506
3 √n
239.91840397481
4 √n
60.960381013003
5 √n
26.794036102339
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
-13809904
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 13809905 can be divided by 4 positive divisors.
The sum of these divisors (counting 13809905) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100101011100011110001
3
Ternary
221222121121222
4
Quaternary
310223203301
5
Quinary
12013404110
6
Senary
1211554425
8
Octal
64534361
10
Decimal
13809905
12
Duodecimal
475ba15
16
Hexadecimal
d2b8f1
20
Vigesimal
4664f5
36
Base36
87zsh
md5
8b99719f86a695d79f8cbe8dcc7207c8
sha1
882416279481167dfa7be7f9524ddd132ad20f97
sha256
4a8ac72c2e38afdfb17f2df4a8944a2ee635465812c7a7fc06aecb75a35d46a3
sha512
5d145c12fd043ea9392f21f42e4fd94a0b37af73a26882baa29876c7713583bea621cd89d4b73d0ced658d70948f9d5b3b2425d34c6f0c9c694a5f67a038a4e2
ripemd-160
ac06dda2a831a3484df1237329125a23c7b0b83a
Diameter
27619810
Circumference
86770192.189546
Area
5.9914405548469E+14
Volume
1.1032163316744E+22
Surface area
2.3965762219387E+15
Circumference
86770192.189546
Perimeter
55239620
Area
190713476109025
Diagonal
19530154.946084
Surface area
1144280856654150
Volume
2.6337349872854E+21
Space diagonal
23919457.107699
Perimeter
41429715
Area
82581357577226
Altitude
11959728.55385
Surface area
82581357577226
Volume
3.1038864489296E+20
Height
6510051.6486947