13238905 is an odd 8-digits composite number following 13238904
and preceding 13238906 . In scientific notation, it is written as 1.3238905 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10591120 positive integers (up to 13238905) that are relatively prime to 13238905.
13238905 has 4 divisors, whose sum is 15886692
The reverse of 13238905 is 50983231
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirteen million two hundred thirty-eight thousand nine hundred five
Scientific notation
1.3238905 × 10^7
Engineering notation
1.3238905 × 10^6
Prime Factorization
5 × 2647781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13238905
Product of the distinct prime numbers
The prime factorization of 13238905 is 5 × 2647781.
Since it has a total of 2 prime factors.
3 , 7 , 91 , 96 , 212 , 923 , 2978 , 3453 , 24443 , 13469 , 10 , 76242 , 6365511 , 2881130 , 31449360 , 19896804 , 801329263 , 147032929 , 2996941795 , 6376269807
n×2
26477810
n×3
39716715
n×4
52955620
n×5
66194525
n÷2
6619452.5
n÷3
4412968.3333333
n÷3
3309726.25
n÷5
2647781
n2
175268605599025
n3
2.320364419008E+21
n4
3.0719084108627E+28
n5
4.0668703620112E+35
2 √n
3638.5306100128
3 √n
236.56510773982
4 √n
60.32023383586
5 √n
26.568706615927
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
-13238904
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 13238905 can be divided by 4 positive divisors.
The sum of these divisors (counting 13238905) is 1, the average is 0.25.
Base
System
Value
2
Binary
110010100000001001111001
3
Ternary
220220121100211
4
Quaternary
302200021321
5
Quinary
11342121110
6
Senary
1151431121
8
Octal
62401171
10
Decimal
13238905
12
Duodecimal
45254a1
16
Hexadecimal
ca0279
20
Vigesimal
42eh55
36
Base36
7vr7d
md5
78bcce3b2d6ef99b273800d96e9b8ef3
sha1
f531c91dfe10436f52c7a719fbc5086807250e81
sha256
8a9ba0df7b99693fdf56c4a1c19e6b615f5a3ebc9a4f6dcb44c37b21ee8764a5
sha512
3c109beca64652fd5f127d376621f0a206b83c520cfabeb41c042d5a64f1a93ff7ef4beead86938c08d396e7982d4e498290edb0459401d8a95feb22db6e44cc
ripemd-160
14330e2796653a4042a943a962a856a623027b3b
Diameter
26477810
Circumference
83182493.379146
Area
5.5062256375482E+14
Volume
9.7195197498754E+21
Surface area
2.2024902550193E+15
Circumference
83182493.379146
Perimeter
52955620
Area
175268605599025
Diagonal
18722639.001969
Surface area
1051611633594150
Volume
2.320364419008E+21
Space diagonal
22930456.096578
Perimeter
39716715
Area
75893532467316
Altitude
11465228.048289
Surface area
75893532467316
Volume
2.7345756925075E+20
Height
6240879.667323