12888915 (number)

12888915 is an odd 8-digits composite number following 12888914 and preceding 12888916. In scientific notation, it is written as 1.2888915 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 6289920 positive integers (up to 12888915) that are relatively prime to 12888915.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-eight thousand nine hundred fifteen

Notation

Scientific notation 1.2888915 × 10^7
Engineering notation 1.2888915 × 10^6

Prime Factorization of 12888915

Prime Factorization 3 × 5 × 13 × 157 × 421

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12888915
Product of the distinct prime numbers

The prime factorization of 12888915 is 3 × 5 × 13 × 157 × 421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 8, 34, 93, 803, 402, 4599, 3670, 87485, 52866, 800055, 107113, 1293954, 8768467, 68894348, 14606001, 523925759, 56558691, 821936420, 173075325

Basic calculations (n = 12888915)

Multiplication

n×y
n×2 25777830
n×3 38666745
n×4 51555660
n×5 64444575

Division

n÷y
n÷2 6444457.5
n÷3 4296305
n÷3 3222228.75
n÷5 2577783

Exponentiation

ny
n2 166124129877225
n3 2.1411597894365E+21
n4 2.7597226527465E+28
n5 3.5569830694824E+35

Nth Root

y√n
2√n 3590.1135079549
3√n 234.46181352881
4√n 59.917555924411
5√n 26.426720528636

Divisors of 12888915

1, 3, 5, 13, 15, 39, 65, 157, 195, 421, 471, 785, 1263, 2041, 2105, 2355, 5473, 6123, 6315, 10205, 16419, 27365, 30615, 66097, 82095, 198291, 330485, 859261, 991455, 2577783, 4296305, 12888915

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12888914
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12888915 can be divided by 32 positive divisors. The sum of these divisors (counting 12888915) is 1, the average is 0.03125.

Base conversion 12888915

Base System Value
2 Binary 110001001010101101010011
3 Ternary 220020211021020
4 Quaternary 301022231103
5 Quinary 11244421130
6 Senary 1140130523
8 Octal 61125523
10 Decimal 12888915
12 Duodecimal 4396a43
16 Hexadecimal c4ab53
20 Vigesimal 40b25f
36 Base36 7o95f

Cryptographic Hash Functions

md5 cd52b9d77eb88be05150a1bec2a7e49b
sha1 b0e943e737cbfb2cf25861ebe71012c3167d3a46
sha256 87b6ed6e03d12e18f201d3cdf16431378aeff2cfa34475e7c438c9be0f05eb8e
sha512 aadbb3cf3024c075f5e5d63a3e3431e1cc0a86eb31b85ba75a5c0fd89a30151ee2ef8baea8b7b0314d6c70d92760be57cee4c628e4684b60e9d26efb8a739ddd
ripemd-160 7a00e7c4dea3e2c7e07237e61c833a47455ad166

12888915 as geometric shapes

Circle

Radius = n
Diameter 25777830
Circumference 80983441.353487
Area 5.2189434600629E+14

Sphere

Radius = n
Volume 8.9688691528742E+21
Surface area 2.0875773840251E+15
Circumference 80983441.353487

Square

Length = n
Perimeter 51555660
Area 166124129877225
Diagonal 18227678.397274

Cube

Length = n
Surface area 996744779263350
Volume 2.1411597894365E+21
Space diagonal 22324255.634437

Equilateral Triangle

Length = n
Perimeter 38666745
Area 71933858327631
Altitude 11162127.817218

Triangular Pyramid

Length = n
Surface area 71933858327631
Volume 2.5233810111909E+20
Height 6075892.7990913