12686985 (number)

12686985 is an odd 8-digits composite number following 12686984 and preceding 12686986. In scientific notation, it is written as 1.2686985 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 6766368 positive integers (up to 12686985) that are relatively prime to 12686985.

Interesting facts

Basic properties

Name

Name twelve million six hundred eighty-six thousand nine hundred eighty-five

Notation

Scientific notation 1.2686985 × 10^7
Engineering notation 1.2686985 × 10^6

Prime Factorization of 12686985

Prime Factorization 9 × 5 × 281933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12686985
Product of the distinct prime numbers

The prime factorization of 12686985 is 9 × 5 × 281933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 27, 82, 285, 142, 814, 1525, 57499, 42878, 980488, 711781, 7746155, 5105259, 75273008, 52026026, 846320222, 64367353, 5944543995, 8962572489

Basic calculations (n = 12686985)

Multiplication

n×y
n×2 25373970
n×3 38060955
n×4 50747940
n×5 63434925

Division

n÷y
n÷2 6343492.5
n÷3 4228995
n÷3 3171746.25
n÷5 2537397

Exponentiation

ny
n2 160959588390225
n3 2.042091883513E+21
n4 2.5907989094751E+28
n5 3.2869426902527E+35

Nth Root

y√n
2√n 3561.8794196323
3√n 233.23092898669
4√n 59.6814830549
5√n 26.343391447136

Divisors of 12686985

1, 5, 9, 45, 281933, 1409665, 2537397, 12686985

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 -12686984
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 12686985 can be divided by 8 positive divisors. The sum of these divisors (counting 12686985) is 1, the average is 0.125.

Base conversion 12686985

Base System Value
2 Binary 110000011001011010001001
3 Ternary 212212120021100
4 Quaternary 300121122021
5 Quinary 11221440420
6 Senary 1131532013
8 Octal 60313211
10 Decimal 12686985
12 Duodecimal 42ba009
16 Hexadecimal c19689
20 Vigesimal 3j5h95
36 Base36 7jxc9

Cryptographic Hash Functions

md5 a3cd00d1720714bf5b52f29b6f310f47
sha1 ae035c05aa0f32ba2fc362908667a3c7d6d6c459
sha256 7088206d9b5d0abaf8d33f83af4b35383d6a1f8e4e416c8b800766b61d056f2e
sha512 1914f5f8108640da2563106cdc64a68817b85aaa9cd32498cebe802577692b8e6d0b75a61973b1863bbf08ea3be3c0fbc90a1323c16b9cc96e44076052b653a3
ripemd-160 90c2a72ea401a0f5b0381f3153f51664c1fd7531

12686985 as geometric shapes

Circle

Radius = n
Diameter 25373970
Circumference 79714677.744408
Area 5.0566946041157E+14

Sphere

Radius = n
Volume 8.5538944789329E+21
Surface area 2.0226778416463E+15
Circumference 79714677.744408

Square

Length = n
Perimeter 50747940
Area 160959588390225
Diagonal 17942106.252624

Cube

Length = n
Surface area 965757530341350
Volume 2.042091883513E+21
Space diagonal 21974502.614864

Equilateral Triangle

Length = n
Perimeter 38060955
Area 69697546264311
Altitude 10987251.307432

Triangular Pyramid

Length = n
Surface area 69697546264311
Volume 2.4066283643967E+20
Height 5980702.084208