12691 (number)

12691 is an odd 5-digits composite number following 12690 and preceding 12692. In scientific notation, it is written as 1.2691 × 10^4. The sum of its digits is 19. It has a total of 4 prime factors and 8 positive divisors. There are 10584 positive integers (up to 12691) that are relatively prime to 12691.

Interesting facts

Basic properties

Name

Name twelve thousand six hundred ninety-one

Notation

Scientific notation 1.2691 × 10^4
Engineering notation 1.2691 × 10^3

Prime Factorization of 12691

Prime Factorization 37 × 7 × 7 × 7

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 259
Product of the distinct prime numbers

The prime factorization of 12691 is 37 × 7 × 7 × 7. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 82, 4, 228, 138, 3608, 4256, 97426, 37319, 762763, 897510, 5399455, 3470826, 90597964, 29654281, 518492985, 632092925, 4892831970, 2775223146

Basic calculations (n = 12691)

Multiplication

n×y
n×2 25382
n×3 38073
n×4 50764
n×5 63455

Division

n÷y
n÷2 6345.5
n÷3 4230.3333333333
n÷3 3172.75
n÷5 2538.2

Exponentiation

ny
n2 161061481
n3 2044031255371
n4 25940800661913361
n5 3.2921470120034E+20

Nth Root

y√n
2√n 112.65433857602
3√n 23.325552961522
4√n 10.613874814412
5√n 6.6175795219358

Divisors of 12691

1, 7, 37, 49, 259, 343, 1813, 12691

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 -12690
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 12691 can be divided by 8 positive divisors. The sum of these divisors (counting 12691) is 1, the average is 0.125.

Base conversion 12691

Base System Value
2 Binary 11000110010011
3 Ternary 122102001
4 Quaternary 3012103
5 Quinary 401231
6 Senary 134431
8 Octal 30623
10 Decimal 12691
12 Duodecimal 7417
16 Hexadecimal 3193
20 Vigesimal 1beb
36 Base36 9sj

Cryptographic Hash Functions

md5 edf7f2f34f6b96fae76c68bc2268c128
sha1 fcf7ecaab6f41b6170d1aea32f697376d35d37d0
sha256 5eb67ae6371c0fbcec3015a9347778c949079da32d50301ca9aa4e3773053e2d
sha512 12d1a06b9c93dbff6d830d33fa86d9e6fcfae0f29d0412f757b26245028a81787c9a129e745d3ab986ff126a5718cb036537bffe5f9ae5276b5d790018e0e3a1
ripemd-160 4fde898111642d6a0c8084f1f288ebf2faccf09c

12691 as geometric shapes

Circle

Radius = n
Diameter 25382
Circumference 79739.904733416
Area 505989565.48589

Sphere

Radius = n
Volume 8562018100775.3
Surface area 2023958261.9436
Circumference 79739.904733416

Square

Length = n
Perimeter 50764
Area 161061481
Diagonal 17947.784320077

Cube

Length = n
Surface area 966368886
Volume 2044031255371
Space diagonal 21981.456798857

Equilateral Triangle

Length = n
Perimeter 38073
Area 69741667.058572
Altitude 10990.728399428

Triangular Pyramid

Length = n
Surface area 69741667.058572
Volume 240891393605.01
Height 5982.594773359