12909728 (number)

12909728 is an even 8-digits composite number following 12909727 and preceding 12909729. In scientific notation, it is written as 1.2909728 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors. There are 5958144 positive integers (up to 12909728) that are relatively prime to 12909728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2909728 × 10^7
Engineering notation 1.2909728 × 10^6

Prime Factorization of 12909728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 13 × 31033

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 806858
Product of the distinct prime numbers

The prime factorization of 12909728 is 2 × 2 × 2 × 2 × 2 × 13 × 31033. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12909728)

Multiplication

n×y
n×2 25819456
n×3 38729184
n×4 51638912
n×5 64548640

Division

n÷y
n÷2 6454864
n÷3 4303242.6666667
n÷3 3227432
n÷5 2581945.6

Exponentiation

ny
n2 166661077033984
n3 2.1515491726958E+21
n4 2.7775914598128E+28
n5 3.5857950241306E+35

Nth Root

y√n
2√n 3593.0109935818
3√n 234.58794851686
4√n 59.941729984893
5√n 26.435249786685

Divisors of 12909728

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12909727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12909728 can be divided by 24 positive divisors. The sum of these divisors (counting 12909728) is 1, the average is 0.041666666666667.

Base conversion 12909728

Base System Value
2 Binary 110001001111110010100000
3 Ternary 220021212211002
4 Quaternary 301033302200
5 Quinary 11301102403
6 Senary 1140411132
8 Octal 61176240
10 Decimal 12909728
12 Duodecimal 43a6aa8
16 Hexadecimal c4fca0
20 Vigesimal 40de68
36 Base36 7op7k

Cryptographic Hash Functions

md5 cc83509a4f47b37d12c7b9598d49bfed
sha1 5d1caa05a988d398cd820d86e611dc00cfb6debc
sha256 6a977a846d141f0a22ec1aef1c1a52cd609d303c126981e95f6dd06ba285e12e
sha512 cd2fb4240617fb5e96ddac4a8ed9cb3849bb04a49cdb8ed5a296a08930bdd1e986c4b6e6c124e53e0f49322bea1a47ffd28456f8fede0d36b51c41a18cf4b1c2
ripemd-160 866076ae61894c8ef1772015c7eef65c047a7507

12909728 as geometric shapes

Circle

Radius = n
Diameter 25819456
Circumference 81114213.289285
Area 5.2358121524933E+14

Sphere

Radius = n
Volume 9.0123880997043E+21
Surface area 2.0943248609973E+15
Circumference 81114213.289285

Square

Length = n
Perimeter 51638912
Area 166661077033984
Diagonal 18257112.424148

Cube

Length = n
Surface area 999966462203904
Volume 2.1515491726958E+21
Space diagonal 22360304.807895

Equilateral Triangle

Length = n
Perimeter 38729184
Area 72166363266753
Altitude 11180152.403947

Triangular Pyramid

Length = n
Surface area 72166363266753
Volume 2.5356250167825E+20
Height 6085704.1413826