12691805 (number)

12691805 is an odd 8-digits composite number following 12691804 and preceding 12691806. In scientific notation, it is written as 1.2691805 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8619072 positive integers (up to 12691805) that are relatively prime to 12691805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2691805 × 10^7
Engineering notation 1.2691805 × 10^6

Prime Factorization of 12691805

Prime Factorization 5 × 7 × 107 × 3389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12691805
Product of the distinct prime numbers

The prime factorization of 12691805 is 5 × 7 × 107 × 3389. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12691805)

Multiplication

n×y
n×2 25383610
n×3 38075415
n×4 50767220
n×5 63459025

Division

n÷y
n÷2 6345902.5
n÷3 4230601.6666667
n÷3 3172951.25
n÷5 2538361

Exponentiation

ny
n2 161081914158025
n3 2.0444202435204E+21
n4 2.5947383068813E+28
n5 3.2931912616968E+35

Nth Root

y√n
2√n 3562.5559644727
3√n 233.26046137083
4√n 59.687150748488
5√n 26.345392802938

Divisors of 12691805

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 -12691804
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 12691805 can be divided by 16 positive divisors. The sum of these divisors (counting 12691805) is 1, the average is 0.0625.

Base conversion 12691805

Base System Value
2 Binary 110000011010100101011101
3 Ternary 212212210212212
4 Quaternary 300122211131
5 Quinary 11222114210
6 Senary 1132010205
8 Octal 60324535
10 Decimal 12691805
12 Duodecimal 4300965
16 Hexadecimal c1a95d
20 Vigesimal 3j69a5
36 Base36 7k125

Cryptographic Hash Functions

md5 8efb70ead3b0dc40e0fd05afd741f76a
sha1 00746cea390f7b718873195386c2a45a4b309774
sha256 f9695c5131e7bfe78303ca23ad3dfa24ddb9e6660cb3a4ab70f0d400a9ec9e7b
sha512 663fab1cb8b02a93c3617790f4295c40b2bd10b08ba1bb2b3707cbfc7a6c0386a2e36705cf775710577bda1173c5ded62b67feb698ae3dbdd8e7bab06afdc98b
ripemd-160 edf2e27015a0a3b7da157220ffb56882a4a3bddf

12691805 as geometric shapes

Circle

Radius = n
Diameter 25383610
Circumference 79744962.697588
Area 5.0605375814503E+14

Sphere

Radius = n
Volume 8.5636474905252E+21
Surface area 2.0242150325801E+15
Circumference 79744962.697588

Square

Length = n
Perimeter 50767220
Area 161081914158025
Diagonal 17948922.761995

Cube

Length = n
Surface area 966491484948150
Volume 2.0444202435204E+21
Space diagonal 21982851.099757

Equilateral Triangle

Length = n
Perimeter 38075415
Area 69750514875537
Altitude 10991425.549878

Triangular Pyramid

Length = n
Surface area 69750514875537
Volume 2.4093723629805E+20
Height 5982974.2539982