12731985 (number)

12731985 is an odd 8-digits composite number following 12731984 and preceding 12731986. In scientific notation, it is written as 1.2731985 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 5808672 positive integers (up to 12731985) that are relatively prime to 12731985.

Interesting facts

Basic properties

Name

Name twelve million seven hundred thirty-one thousand nine hundred eighty-five

Notation

Scientific notation 1.2731985 × 10^7
Engineering notation 1.2731985 × 10^6

Prime Factorization of 12731985

Prime Factorization 243 × 105 × 499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12731985
Product of the distinct prime numbers

The prime factorization of 12731985 is 243 × 105 × 499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12731985)

Multiplication

n×y
n×2 25463970
n×3 38195955
n×4 50927940
n×5 63659925

Division

n÷y
n÷2 6365992.5
n÷3 4243995
n÷3 3182996.25
n÷5 2546397

Exponentiation

ny
n2 162103442040225
n3 2.0638985925045E+21
n4 2.6277525921289E+28
n5 3.3456506586696E+35

Nth Root

y√n
2√n 3568.190717997
3√n 233.50635579482
4√n 59.734334498653
5√n 26.362052686082

Divisors of 12731985

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 -12731984
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 12731985 can be divided by 8 positive divisors. The sum of these divisors (counting 12731985) is 1, the average is 0.125.

Base conversion 12731985

Base System Value
2 Binary 110000100100011001010001
3 Ternary 212221212000000
4 Quaternary 300210121101
5 Quinary 11224410420
6 Senary 1132520213
8 Octal 60443121
10 Decimal 12731985
12 Duodecimal 4320069
16 Hexadecimal c24651
20 Vigesimal 3jb9j5
36 Base36 7kw29

Cryptographic Hash Functions

md5 366c03d938de13c9946d1b8887274172
sha1 55615558a0880cba5a9880814db6d1e6afbf4458
sha256 58a605f3b910e3d80d0f61e3a24c5a8b3eedc501d6800e60c803df018bd31430
sha512 d9ce896dca589d05ce8c7ab458f9f3328bc46b837a18e086af3fee940ea20a16bc8087ad071a6af25fa19dcd64d21deb83e5eaf4afef77a07b7bda6aac3642d5
ripemd-160 56352eb913be0e4164bfc898f05452e2dfd2c15c

12731985 as geometric shapes

Circle

Radius = n
Diameter 25463970
Circumference 79997421.083231
Area 5.0926298263519E+14

Sphere

Radius = n
Volume 8.6452382079553E+21
Surface area 2.0370519305408E+15
Circumference 79997421.083231

Square

Length = n
Perimeter 50927940
Area 162103442040225
Diagonal 18005745.862931

Cube

Length = n
Surface area 972620652241350
Volume 2.0638985925045E+21
Space diagonal 22052444.901205

Equilateral Triangle

Length = n
Perimeter 38195955
Area 70192849423867
Altitude 11026222.450602

Triangular Pyramid

Length = n
Surface area 70192849423867
Volume 2.4323278174022E+20
Height 6001915.2876436