12691391 (number)

12691391 is an odd 8-digits prime number following 12691390 and preceding 12691392. In scientific notation, it is written as 1.2691391 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 12691390 positive integers (up to 12691391) that are relatively prime to 12691391.

Interesting facts

Basic properties

Name

Name twelve million six hundred ninety-one thousand three hundred ninety-one

Notation

Scientific notation 1.2691391 × 10^7
Engineering notation 1.2691391 × 10^6

Prime Factorization of 12691391

Prime Factorization 12691391

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 12691391
Product of the distinct prime numbers

The prime factorization of 12691391 is 12691391. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12691391)

Multiplication

n×y
n×2 25382782
n×3 38074173
n×4 50765564
n×5 63456955

Division

n÷y
n÷2 6345695.5
n÷3 4230463.6666667
n÷3 3172847.75
n÷5 2538278.2

Exponentiation

ny
n2 161071405514881
n3 2.0442201863089E+21
n4 2.5943997674539E+28
n5 3.2926541859067E+35

Nth Root

y√n
2√n 3562.4978596485
3√n 233.25792506542
4√n 59.686664001672
5√n 26.345220926125

Divisors of 12691391

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 12691392
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 6345696
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3562.4979999994
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998424129
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12691391 can be divided by 2 positive divisors. The sum of these divisors (counting 12691391) is 12691392, the average is 6345696.

Base conversion 12691391

Base System Value
2 Binary 110000011010011110111111
3 Ternary 212212210022112
4 Quaternary 300122132333
5 Quinary 11222111031
6 Senary 1132004235
8 Octal 60323677
10 Decimal 12691391
12 Duodecimal 430067b
16 Hexadecimal c1a7bf
20 Vigesimal 3j689b
36 Base36 7k0qn

Cryptographic Hash Functions

md5 993a18ac8b79eaa04f8f1a2a13c62119
sha1 62db2fb2812410eae6aedd388fbaa996e3a2bc00
sha256 17e4bd7bcaf6f5c823f707807a60471d985756ae671708b16560887c57867ff8
sha512 8c8b088b49b02d400f126cbb35d3b795bf8f38d8d86ea2b14212490823bfa12cbd349e6496eec49af3ca214757660ab117dec10d133ab7feb06ab63c60257abf
ripemd-160 3f48d93a8cd79fde3eff715898c5ceb5d627b16a

12691391 as geometric shapes

Circle

Radius = n
Diameter 25382782
Circumference 79742361.458871
Area 5.0602074426893E+14

Sphere

Radius = n
Volume 8.5628094928374E+21
Surface area 2.0240829770757E+15
Circumference 79742361.458871

Square

Length = n
Perimeter 50765564
Area 161071405514881
Diagonal 17948337.27758

Cube

Length = n
Surface area 966428433089286
Volume 2.0442201863089E+21
Space diagonal 21982134.030722

Equilateral Triangle

Length = n
Perimeter 38074173
Area 69745964499576
Altitude 10991067.015361

Triangular Pyramid

Length = n
Surface area 69745964499576
Volume 2.4091365932958E+20
Height 5982779.0925266