12728907 (number)

12728907 is an odd 8-digits composite number following 12728906 and preceding 12728908. In scientific notation, it is written as 1.2728907 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 20 positive divisors. There are 8426160 positive integers (up to 12728907) that are relatively prime to 12728907.

Interesting facts

Basic properties

Name

Name twelve million seven hundred twenty-eight thousand nine hundred seven

Notation

Scientific notation 1.2728907 × 10^7
Engineering notation 1.2728907 × 10^6

Prime Factorization of 12728907

Prime Factorization 3 × 3 × 9 × 167 × 941

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4242969
Product of the distinct prime numbers

The prime factorization of 12728907 is 3 × 3 × 9 × 167 × 941. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 88, 18, 481, 768, 7096, 2549, 93932, 40726, 23898, 205667, 5947228, 7768710, 65340067, 21178241, 675203263, 121829682, 5178108391, 8238280063

Basic calculations (n = 12728907)

Multiplication

n×y
n×2 25457814
n×3 38186721
n×4 50915628
n×5 63644535

Division

n÷y
n÷2 6364453.5
n÷3 4242969
n÷3 3182226.75
n÷5 2545781.4

Exponentiation

ny
n2 162025073414649
n3 2.0624020911632E+21
n4 2.6252124415022E+28
n5 3.3416085023125E+35

Nth Root

y√n
2√n 3567.7593809
3√n 233.48753729716
4√n 59.730723927473
5√n 26.360777939907

Divisors of 12728907

1, 3, 9, 27, 81, 167, 501, 941, 1503, 2823, 4509, 8469, 13527, 25407, 76221, 157147, 471441, 1414323, 4242969, 12728907

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12728906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12728907 can be divided by 20 positive divisors. The sum of these divisors (counting 12728907) is 1, the average is 0.05.

Base conversion 12728907

Base System Value
2 Binary 110000100011101001001011
3 Ternary 212221200210000
4 Quaternary 300203221023
5 Quinary 11224311112
6 Senary 1132454043
8 Octal 60435113
10 Decimal 12728907
12 Duodecimal 431a323
16 Hexadecimal c23a4b
20 Vigesimal 3jb257
36 Base36 7ktor

Cryptographic Hash Functions

md5 ed59c6e02933f373b8b09dd74c2e18b4
sha1 b23081e5cd46e0fd6e9daba11eb224773ab9541e
sha256 1244cb76a42b755ffe66dee701500c8bb22b4047285942091aa103154713425e
sha512 30016d66bc7e8c80838357c97b33f29db0ece43087d3f90d5425d118a5b45b9e78c3cf603fc15f73e041dfd64d825c73174975b844e6a31e80e29664f7397182
ripemd-160 8380cced0bc5e6878bd04563288087c220f3d0c4

12728907 as geometric shapes

Circle

Radius = n
Diameter 25457814
Circumference 79978081.438855
Area 5.0901678033681E+14

Sphere

Radius = n
Volume 8.6389696777955E+21
Surface area 2.0360671213472E+15
Circumference 79978081.438855

Square

Length = n
Perimeter 50915628
Area 162025073414649
Diagonal 18001392.913586

Cube

Length = n
Surface area 972150440487894
Volume 2.0624020911632E+21
Space diagonal 22047113.648819

Equilateral Triangle

Length = n
Perimeter 38186721
Area 70158914813562
Altitude 11023556.82441

Triangular Pyramid

Length = n
Surface area 70158914813562
Volume 2.4305641736581E+20
Height 6000464.3045286