13128972 (number)

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.

Interesting facts

Basic properties

Name

Name thirteen million one hundred twenty-eight thousand nine hundred seventy-two

Notation

Scientific notation 1.3128972 × 10^7
Engineering notation 1.3128972 × 10^6

Prime Factorization of 13128972

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.

Most popular turbo-numbers

Basic calculations (n = 13128972)

Multiplication

n×y
n×2 26257944
n×3 39386916
n×4 52515888
n×5 65644860

Division

n÷y
n÷2 6564486
n÷3 4376324
n÷3 3282243
n÷5 2625794.4

Exponentiation

ny
n2 172369905776784
n3 2.263039666586E+21
n4 2.9711384417497E+28
n5 3.9007993409856E+35

Nth Root

y√n
2√n 3623.3923331596
3√n 235.90849176569
4√n 60.194620466946
5√n 26.524435165319

Divisors of 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 conversion 13128972

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

Cryptographic Hash Functions

md5 b786b88c28dbb173e21ce2f0eb429718
sha1 d8c05e93eab3ae149fa9395d272cd09230df6fa4
sha256 7b4cd5e15285830dc8a491e8c5844c44ad0eb474e6d293e6a00980495f6081f4
sha512 c9391f9b38e82f268e0171d1a21d8b849940429c4a8e3497a60c60339521fbb7aa147333632d37f1871a882b76a10edd60eaf458e84747f46516fc382f7f3493
ripemd-160 85d7aca46e5a5161ab7d619383aa9fef6ea7c871

13128972 as geometric shapes

Circle

Radius = n
Diameter 26257944
Circumference 82491763.968772
Area 5.4151602968831E+14

Sphere

Radius = n
Volume 9.4793983884386E+21
Surface area 2.1660641187532E+15
Circumference 82491763.968772

Square

Length = n
Perimeter 52515888
Area 172369905776784
Diagonal 18567170.262417

Cube

Length = n
Surface area 1034219434660704
Volume 2.263039666586E+21
Space diagonal 22740046.555149

Equilateral Triangle

Length = n
Perimeter 39386916
Area 74638358625312
Altitude 11370023.277575

Triangular Pyramid

Length = n
Surface area 74638358625312
Volume 2.6670178238952E+20
Height 6189056.7541389