12731978 (number)

12731978 is an even 8-digits composite number following 12731977 and preceding 12731979. In scientific notation, it is written as 1.2731978 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 5353296 positive integers (up to 12731978) that are relatively prime to 12731978.

Interesting facts

Basic properties

Name

Name twelve million seven hundred thirty-one thousand nine hundred seventy-eight

Notation

Scientific notation 1.2731978 × 10^7
Engineering notation 1.2731978 × 10^6

Prime Factorization of 12731978

Prime Factorization 2 × 7 × 53 × 17159

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12731978
Product of the distinct prime numbers

The prime factorization of 12731978 is 2 × 7 × 53 × 17159. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 1, 18, 69, 916, 269, 2787, 68821, 10694, 906103, 688304, 5868318, 6068589, 75782320, 89803105, 217518395, 352862630, 5880716143, 5716932635

Basic calculations (n = 12731978)

Multiplication

n×y
n×2 25463956
n×3 38195934
n×4 50927912
n×5 63659890

Division

n÷y
n÷2 6365989
n÷3 4243992.6666667
n÷3 3182994.5
n÷5 2546395.6

Exponentiation

ny
n2 162103263792484
n3 2.0638951883341E+21
n4 2.6277468132176E+28
n5 3.3456414615456E+35

Nth Root

y√n
2√n 3568.1897371076
3√n 233.50631300116
4√n 59.734326288221
5√n 26.362049787329

Divisors of 12731978

1, 2, 7, 14, 53, 106, 371, 742, 17159, 34318, 120113, 240226, 909427, 1818854, 6365989, 12731978

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 -12731977
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 12731978 can be divided by 16 positive divisors. The sum of these divisors (counting 12731978) is 1, the average is 0.0625.

Base conversion 12731978

Base System Value
2 Binary 110000100100011001001010
3 Ternary 212221211222202
4 Quaternary 300210121022
5 Quinary 11224410403
6 Senary 1132520202
8 Octal 60443112
10 Decimal 12731978
12 Duodecimal 4320062
16 Hexadecimal c2464a
20 Vigesimal 3jb9ii
36 Base36 7kw22

Cryptographic Hash Functions

md5 6904e18264c38d6491c92ee012036580
sha1 f0cd658df9a568686a7b211bebdbc4ba2efbed37
sha256 45778cb4261f4fd68a82269c1d8d03a938cfab00e4d71e1e85dfa7b16c609442
sha512 77754142f053c8787a1488321056417fe794e59cc3a426c983ab875a8d0a6d3c64addb42a8cdfdf910afb9c86906d429a03a8fd9657e706ac0b3c5221c72c096
ripemd-160 aab7345728b60dc4a3a8273c69c81b0644814f4b

12731978 as geometric shapes

Circle

Radius = n
Diameter 25463956
Circumference 79997377.100934
Area 5.092624226534E+14

Sphere

Radius = n
Volume 8.6452239485997E+21
Surface area 2.0370496906136E+15
Circumference 79997377.100934

Square

Length = n
Perimeter 50927912
Area 162103263792484
Diagonal 18005735.963436

Cube

Length = n
Surface area 972619582754904
Volume 2.0638951883341E+21
Space diagonal 22052432.776849

Equilateral Triangle

Length = n
Perimeter 38195934
Area 70192772240331
Altitude 11026216.388425

Triangular Pyramid

Length = n
Surface area 70192772240331
Volume 2.4323238055489E+20
Height 6001911.987812