12728900 (number)

12728900 is an even 8-digits composite number following 12728899 and preceding 12728901. In scientific notation, it is written as 1.2728900 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 18 positive divisors. There are 5091520 positive integers (up to 12728900) that are relatively prime to 12728900.

Interesting facts

Basic properties

Name

Name twelve million seven hundred twenty-eight thousand nine hundred

Notation

Scientific notation 1.2728900 × 10^7
Engineering notation 1.2728900 × 10^6

Prime Factorization of 12728900

Prime Factorization 2 × 2 × 5 × 5 × 127289

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1272890
Product of the distinct prime numbers

The prime factorization of 12728900 is 2 × 2 × 5 × 5 × 127289. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 82, 74, 279, 741, 1883, 2886, 1854, 2453, 139517, 311771, 5760230, 8726117, 19323536, 95543785, 217401575, 616144375, 4096197613, 4141974976

Basic calculations (n = 12728900)

Multiplication

n×y
n×2 25457800
n×3 38186700
n×4 50915600
n×5 63644500

Division

n÷y
n÷2 6364450
n÷3 4242966.6666667
n÷3 3182225
n÷5 2545780

Exponentiation

ny
n2 162024895210000
n3 2.0623986886386E+21
n4 2.6252066667811E+28
n5 3.3415993140791E+35

Nth Root

y√n
2√n 3567.758399892
3√n 233.4874944966
4√n 59.730715715551
5√n 26.360775040593

Divisors of 12728900

1, 2, 4, 5, 10, 20, 25, 50, 100, 127289, 254578, 509156, 636445, 1272890, 2545780, 3182225, 6364450, 12728900

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12728899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12728900 can be divided by 18 positive divisors. The sum of these divisors (counting 12728900) is 1, the average is 0.055555555555556.

Base conversion 12728900

Base System Value
2 Binary 110000100011101001000100
3 Ternary 212221200202202
4 Quaternary 300203221010
5 Quinary 11224311100
6 Senary 1132454032
8 Octal 60435104
10 Decimal 12728900
12 Duodecimal 431a318
16 Hexadecimal c23a44
20 Vigesimal 3jb250
36 Base36 7ktok

Cryptographic Hash Functions

md5 749efa677291897d5bc327a47677109d
sha1 98bc2fb6d1100b6215e12993ab2440bc20087c40
sha256 dae08765ae49e0e66434163c0019142e526983bb4eeaf5dd8a09c4e1c1b64ff4
sha512 501761c91a2a5443d49215972279d919b97a1c4153629ba218edd83e43444639c58ac20a17fb62b570be0ef83138352d0659007c153f1cc44e13dd69c50d86f1
ripemd-160 922657758bdf00d7edd011b6c46eb12673fbde3d

12728900 as geometric shapes

Circle

Radius = n
Diameter 25457800
Circumference 79978037.456558
Area 5.0901622049039E+14

Sphere

Radius = n
Volume 8.6389554253335E+21
Surface area 2.0360648819616E+15
Circumference 79978037.456558

Square

Length = n
Perimeter 50915600
Area 162024895210000
Diagonal 18001383.014091

Cube

Length = n
Surface area 972149371260000
Volume 2.0623986886386E+21
Space diagonal 22047101.524463

Equilateral Triangle

Length = n
Perimeter 38186700
Area 70158837648686
Altitude 11023550.762232

Triangular Pyramid

Length = n
Surface area 70158837648686
Volume 2.4305601637443E+20
Height 6000461.004697