12889728 (number)

12889728 is an even 8-digits composite number following 12889727 and preceding 12889729. In scientific notation, it is written as 1.2889728 × 10^7. The sum of its digits is 45. It has a total of 10 prime factors and 64 positive divisors. There are 4207104 positive integers (up to 12889728) that are relatively prime to 12889728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2889728 × 10^7
Engineering notation 1.2889728 × 10^6

Prime Factorization of 12889728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 67 × 167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 201402
Product of the distinct prime numbers

The prime factorization of 12889728 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 67 × 167. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12889728)

Multiplication

n×y
n×2 25779456
n×3 38669184
n×4 51558912
n×5 64448640

Division

n÷y
n÷2 6444864
n÷3 4296576
n÷3 3222432
n÷5 2577945.6

Exponentiation

ny
n2 166145087913984
n3 2.1415649917473E+21
n4 2.7604190237945E+28
n5 3.5581050382737E+35

Nth Root

y√n
2√n 3590.2267337872
3√n 234.46674317692
4√n 59.918500763847
5√n 26.427053906297

Divisors of 12889728

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12889727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12889728 can be divided by 64 positive divisors. The sum of these divisors (counting 12889728) is 1, the average is 0.015625.

Base conversion 12889728

Base System Value
2 Binary 110001001010111010000000
3 Ternary 220020212101100
4 Quaternary 301022322000
5 Quinary 11244432403
6 Senary 1140134400
8 Octal 61127200
10 Decimal 12889728
12 Duodecimal 4397400
16 Hexadecimal c4ae80
20 Vigesimal 40b468
36 Base36 7o9s0

Cryptographic Hash Functions

md5 dd9757bc48f2e4ed3d2e4717a827625d
sha1 c0a08e35a02bf5b567e7d280069e8bdf64409a1b
sha256 c705bd6260e5297e6197712f07bcd1c903ac9a2b1e1437bfa5f43714828d4e97
sha512 e75109d7f52a58ddf9c222f8f24cb98ed304f2227a78f3cf54ca55529b70c8b272da687f01d69add03a04a3ffe9b0b374650320f8427278b4113ee320d237feb
ripemd-160 1a1243e8b17490707073ea0d9f3aa656bc2bf156

12889728 as geometric shapes

Circle

Radius = n
Diameter 25779456
Circumference 80988549.583141
Area 5.219601876206E+14

Sphere

Radius = n
Volume 8.9705664603447E+21
Surface area 2.0878407504824E+15
Circumference 80988549.583141

Square

Length = n
Perimeter 51558912
Area 166145087913984
Diagonal 18228828.1529

Cube

Length = n
Surface area 996870527483904
Volume 2.1415649917473E+21
Space diagonal 22325663.791743

Equilateral Triangle

Length = n
Perimeter 38669184
Area 71942933423755
Altitude 11162831.895872

Triangular Pyramid

Length = n
Surface area 71942933423755
Volume 2.5238585466938E+20
Height 6076276.0509667