12912387 (number)

12912387 is an odd 8-digits composite number following 12912386 and preceding 12912388. In scientific notation, it is written as 1.2912387 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 8425472 positive integers (up to 12912387) that are relatively prime to 12912387.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twelve thousand three hundred eighty-seven

Notation

Scientific notation 1.2912387 × 10^7
Engineering notation 1.2912387 × 10^6

Prime Factorization of 12912387

Prime Factorization 3 × 89 × 353 × 137

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12912387
Product of the distinct prime numbers

The prime factorization of 12912387 is 3 × 89 × 353 × 137. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912387)

Multiplication

n×y
n×2 25824774
n×3 38737161
n×4 51649548
n×5 64561935

Division

n÷y
n÷2 6456193.5
n÷3 4304129
n÷3 3228096.75
n÷5 2582477.4

Exponentiation

ny
n2 166729738037769
n3 2.1528789019523E+21
n4 2.7798805546143E+28
n5 3.5894893534955E+35

Nth Root

y√n
2√n 3593.380998447
3√n 234.60405333679
4√n 59.944816276697
5√n 26.436338663829

Divisors of 12912387

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12912386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12912387 can be divided by 16 positive divisors. The sum of these divisors (counting 12912387) is 1, the average is 0.0625.

Base conversion 12912387

Base System Value
2 Binary 110001010000011100000011
3 Ternary 220022000110120
4 Quaternary 301100130003
5 Quinary 11301144022
6 Senary 1140431323
8 Octal 61203403
10 Decimal 12912387
12 Duodecimal 43a8543
16 Hexadecimal c50703
20 Vigesimal 40e0j7
36 Base36 7or9f

Cryptographic Hash Functions

md5 7a713e02f4a5d66d38972114507cf301
sha1 fff55da25b4d80713acbc46d7f67f9f3c54c6f62
sha256 1631ba188770688ed31be8eb7370ab31122f1020c92c7a42c986c6974a297aaf
sha512 559f3dc8f4e2b0f8ac8eb49b9c1fe09e8a0318e6dead3f676ba23f9dc11e0e1644d3eb75b8beb36642738a2ab52db9f9c5f4d88dfe2dd985bb6bfa3cbe09103f
ripemd-160 d778b1988da386e3f72025fadec0cc03b16beb3d

12912387 as geometric shapes

Circle

Radius = n
Diameter 25824774
Circumference 81130920.279017
Area 5.2379692015441E+14

Sphere

Radius = n
Volume 9.017958056589E+21
Surface area 2.0951876806176E+15
Circumference 81130920.279017

Square

Length = n
Perimeter 51649548
Area 166729738037769
Diagonal 18260872.81801

Cube

Length = n
Surface area 1000378428226614
Volume 2.1528789019523E+21
Space diagonal 22364910.330992

Equilateral Triangle

Length = n
Perimeter 38737161
Area 72196094353516
Altitude 11182455.165496

Triangular Pyramid

Length = n
Surface area 72196094353516
Volume 2.5371921177399E+20
Height 6086957.6060033