12943985 (number)

12943985 is an odd 8-digits composite number following 12943984 and preceding 12943986. In scientific notation, it is written as 1.2943985 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 10341504 positive integers (up to 12943985) that are relatively prime to 12943985.

Interesting facts

Basic properties

Name

Name twelve million nine hundred forty-three thousand nine hundred eighty-five

Notation

Scientific notation 1.2943985 × 10^7
Engineering notation 1.2943985 × 10^6

Prime Factorization of 12943985

Prime Factorization 5 × 2293 × 1129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12943985
Product of the distinct prime numbers

The prime factorization of 12943985 is 5 × 2293 × 1129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 2, 66, 20, 160, 78, 68, 2881, 53034, 77943, 289134, 541368, 207062, 6909396, 11959319, 66288838, 49724158, 450719143, 7373359058, 7591862433

Basic calculations (n = 12943985)

Multiplication

n×y
n×2 25887970
n×3 38831955
n×4 51775940
n×5 64719925

Division

n÷y
n÷2 6471992.5
n÷3 4314661.6666667
n÷3 3235996.25
n÷5 2588797

Exponentiation

ny
n2 167546747680225
n3 2.1687225887716E+21
n4 2.8071912658221E+28
n5 3.6336241636932E+35

Nth Root

y√n
2√n 3597.7750068619
3√n 234.79526456847
4√n 59.981455524703
5√n 26.449264530523

Divisors of 12943985

1, 5, 1129, 2293, 5645, 11465, 2588797, 12943985

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 -12943984
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 12943985 can be divided by 8 positive divisors. The sum of these divisors (counting 12943985) is 1, the average is 0.125.

Base conversion 12943985

Base System Value
2 Binary 110001011000001001110001
3 Ternary 220100121210212
4 Quaternary 301120021301
5 Quinary 11303201420
6 Senary 1141233505
8 Octal 61301161
10 Decimal 12943985
12 Duodecimal 4402895
16 Hexadecimal c58271
20 Vigesimal 40hjj5
36 Base36 7pfn5

Cryptographic Hash Functions

md5 668989ca48d065113e93e45051bc0f4b
sha1 7968533efde4966f6e92328309ee31610b1b3265
sha256 d290d7bcdd3badbd07bda678fa72e3be16bfe9431e7611b4c8163dc771084453
sha512 467d54464d2495a7595380273ee068bb89e844e099269d3621b054428b5861ff00d1ac6656dbe345f64b7940c61b8bdde34fa8f214496fe57dc288d4c5aecb2d
ripemd-160 4b50954b599a38228be54a6a1b622f030f1904c8

12943985 as geometric shapes

Circle

Radius = n
Diameter 25887970
Circumference 81329456.368353
Area 5.2636363164506E+14

Sphere

Radius = n
Volume 9.0843239367455E+21
Surface area 2.1054545265802E+15
Circumference 81329456.368353

Square

Length = n
Perimeter 51775940
Area 167546747680225
Diagonal 18305559.138154

Cube

Length = n
Surface area 1005280486081350
Volume 2.1687225887716E+21
Space diagonal 22419639.672409

Equilateral Triangle

Length = n
Perimeter 38831955
Area 72549869906268
Altitude 11209819.836205

Triangular Pyramid

Length = n
Surface area 72549869906268
Volume 2.5558640817214E+20
Height 6101853.0460513