12928987 (number)

12928987 is an odd 8-digits composite number following 12928986 and preceding 12928988. In scientific notation, it is written as 1.2928987 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 12213504 positive integers (up to 12928987) that are relatively prime to 12928987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2928987 × 10^7
Engineering notation 1.2928987 × 10^6

Prime Factorization of 12928987

Prime Factorization 19 × 1489 × 457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12928987
Product of the distinct prime numbers

The prime factorization of 12928987 is 19 × 1489 × 457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12928987)

Multiplication

n×y
n×2 25857974
n×3 38786961
n×4 51715948
n×5 64644935

Division

n÷y
n÷2 6464493.5
n÷3 4309662.3333333
n÷3 3232246.75
n÷5 2585797.4

Exponentiation

ny
n2 167158704846169
n3 2.161192721893E+21
n4 2.7942032605849E+28
n5 3.6126217631459E+35

Nth Root

y√n
2√n 3595.6900589456
3√n 234.70454494486
4√n 59.964073068343
5√n 26.443132415088

Divisors of 12928987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12928986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12928987 can be divided by 8 positive divisors. The sum of these divisors (counting 12928987) is 1, the average is 0.125.

Base conversion 12928987

Base System Value
2 Binary 110001010100011111011011
3 Ternary 220022212020101
4 Quaternary 301110133123
5 Quinary 11302211422
6 Senary 1141040231
8 Octal 61243733
10 Decimal 12928987
12 Duodecimal 43b6077
16 Hexadecimal c547db
20 Vigesimal 40g297
36 Base36 7p42j

Cryptographic Hash Functions

md5 de0c2487ce1ea79db5fe51c04e66d7a8
sha1 2fa4a6685fdfa5cfda09e74eb8acaac7cec9f549
sha256 0a4c4abc0199cd06d33e05cf51244f3bd7fc7cfd8b8eca7796a1c9cf25649b25
sha512 c075e25a1ff0c55918edb525b4a4f006adebbf9b6cb11015a68b863df141f2f917ca68c3d69976d38569d7e2f21808098bac58b6ebdcc71bb6703fa0a5a9c508
ripemd-160 1839b061a77605f946f4f41dc4e3fdc44c250c05

12928987 as geometric shapes

Circle

Radius = n
Diameter 25857974
Circumference 81235221.155116
Area 5.2514455912831E+14

Sphere

Radius = n
Volume 9.0527829041209E+21
Surface area 2.1005782365132E+15
Circumference 81235221.155116

Square

Length = n
Perimeter 51715948
Area 167158704846169
Diagonal 18284348.763145

Cube

Length = n
Surface area 1002952229077014
Volume 2.161192721893E+21
Space diagonal 22393662.374398

Equilateral Triangle

Length = n
Perimeter 38786961
Area 72381842430244
Altitude 11196831.187199

Triangular Pyramid

Length = n
Surface area 72381842430244
Volume 2.5469900485025E+20
Height 6094782.9210485