13128972 is an even 8-digits composite number following 13128971
and preceding 13128973 . In scientific notation, it is written as 1.3128972 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 4376320 positive integers (up to 13128972) that are relatively prime to 13128972.
13128972 has 12 divisors, whose sum is 30634296
The reverse of 13128972 is 27982131
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirteen million one hundred twenty-eight thousand nine hundred seventy-two
Scientific notation
1.3128972 × 10^7
Engineering notation
1.3128972 × 10^6
Prime Factorization
2 × 2 × 3 × 1094081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6564486
Product of the distinct prime numbers
The prime factorization of 13128972 is 2 × 2 × 3 × 1094081.
Since it has a total of 4 prime factors.
1 , 4 , 56 , 89 , 134 , 331 , 1940 , 1948 , 31249 , 31562 , 478625 , 71593 , 2006383 , 6692354 , 51737834 , 20059824 , 741945884 , 117020875 , 7809757280 , 6979948433
n×2
26257944
n×3
39386916
n×4
52515888
n×5
65644860
n÷2
6564486
n÷3
4376324
n÷3
3282243
n÷5
2625794.4
n2
172369905776784
n3
2.263039666586E+21
n4
2.9711384417497E+28
n5
3.9007993409856E+35
2 √n
3623.3923331596
3 √n
235.90849176569
4 √n
60.194620466946
5 √n
26.524435165319
1 , 2 , 3 , 4 , 6 , 12 , 1094081 , 2188162 , 3282243 , 4376324 , 6564486 , 13128972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13128971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13128972 can be divided by 12 positive divisors.
The sum of these divisors (counting 13128972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110010000101010100001100
3
Ternary
220201000120020
4
Quaternary
302011110030
5
Quinary
11330111342
6
Senary
1145222140
8
Octal
62052414
10
Decimal
13128972
12
Duodecimal
4491950
16
Hexadecimal
c8550c
20
Vigesimal
42128c
36
Base36
7tedo
md5
b786b88c28dbb173e21ce2f0eb429718
sha1
d8c05e93eab3ae149fa9395d272cd09230df6fa4
sha256
7b4cd5e15285830dc8a491e8c5844c44ad0eb474e6d293e6a00980495f6081f4
sha512
c9391f9b38e82f268e0171d1a21d8b849940429c4a8e3497a60c60339521fbb7aa147333632d37f1871a882b76a10edd60eaf458e84747f46516fc382f7f3493
ripemd-160
85d7aca46e5a5161ab7d619383aa9fef6ea7c871
Diameter
26257944
Circumference
82491763.968772
Area
5.4151602968831E+14
Volume
9.4793983884386E+21
Surface area
2.1660641187532E+15
Circumference
82491763.968772
Perimeter
52515888
Area
172369905776784
Diagonal
18567170.262417
Surface area
1034219434660704
Volume
2.263039666586E+21
Space diagonal
22740046.555149
Perimeter
39386916
Area
74638358625312
Altitude
11370023.277575
Surface area
74638358625312
Volume
2.6670178238952E+20
Height
6189056.7541389