12991806 (number)

12991806 is an even 8-digits composite number following 12991805 and preceding 12991807. In scientific notation, it is written as 1.2991806 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 4330584 positive integers (up to 12991806) that are relatively prime to 12991806.

Interesting facts

Basic properties

Name

Name twelve million nine hundred ninety-one thousand eight hundred six

Notation

Scientific notation 1.2991806 × 10^7
Engineering notation 1.2991806 × 10^6

Prime Factorization of 12991806

Prime Factorization 2 × 9 × 3 × 240589

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12991806
Product of the distinct prime numbers

The prime factorization of 12991806 is 2 × 9 × 3 × 240589. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 54, 2, 481, 204, 3603, 9133, 71243, 35095, 71740, 557153, 2656311, 3083262, 15984481, 77824413, 413849859, 442981891, 8336696936, 5595776712

Basic calculations (n = 12991806)

Multiplication

n×y
n×2 25983612
n×3 38975418
n×4 51967224
n×5 64959030

Division

n÷y
n÷2 6495903
n÷3 4330602
n÷3 3247951.5
n÷5 2598361.2

Exponentiation

ny
n2 168787023141636
n3 2.1928482599736E+21
n4 2.8489059181015E+28
n5 3.7012433000227E+35

Nth Root

y√n
2√n 3604.4147930004
3√n 235.08405624423
4√n 60.036778669415
5√n 26.4687788496

Divisors of 12991806

1, 2, 3, 6, 9, 18, 27, 54, 240589, 481178, 721767, 1443534, 2165301, 4330602, 6495903, 12991806

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 -12991805
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 12991806 can be divided by 16 positive divisors. The sum of these divisors (counting 12991806) is 1, the average is 0.0625.

Base conversion 12991806

Base System Value
2 Binary 110001100011110100111110
3 Ternary 220110001102000
4 Quaternary 301203310332
5 Quinary 11311214211
6 Senary 1142243130
8 Octal 61436476
10 Decimal 12991806
12 Duodecimal 44264a6
16 Hexadecimal c63d3e
20 Vigesimal 413ja6
36 Base36 7qgji

Cryptographic Hash Functions

md5 64d84a7bb8c228a070e15fd1245b5bfb
sha1 88d4094215516d469f0755201ef9f830c4204242
sha256 7dea9a012eee1df5f1872eb16f05566922e9c971db4599538e2c3e08812c6cc8
sha512 7a17f0e5131c5433f7b362b7555e0ef3aa2d51c0fda038110f2b2703f8b03f35ec59ad5f2bec2e7cde02ff1fee8de3ec68e3063c3f24aaf5d2c911f14c239538
ripemd-160 b33a053aa5662367d9590ea62ed015769d07e9f5

12991806 as geometric shapes

Circle

Radius = n
Diameter 25983612
Circumference 81629924.572928
Area 5.3026007192305E+14

Sphere

Radius = n
Volume 9.1853813119605E+21
Surface area 2.1210402876922E+15
Circumference 81629924.572928

Square

Length = n
Perimeter 51967224
Area 168787023141636
Diagonal 18373188.24492

Cube

Length = n
Surface area 1012722138849816
Volume 2.1928482599736E+21
Space diagonal 22502468.074078

Equilateral Triangle

Length = n
Perimeter 38975418
Area 73086924934904
Altitude 11251234.037039

Triangular Pyramid

Length = n
Surface area 73086924934904
Volume 2.5842964579008E+20
Height 6124396.0816401