12691389 (number)

12691389 is an odd 8-digits composite number following 12691388 and preceding 12691390. In scientific notation, it is written as 1.2691389 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 8460924 positive integers (up to 12691389) that are relatively prime to 12691389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2691389 × 10^7
Engineering notation 1.2691389 × 10^6

Prime Factorization of 12691389

Prime Factorization 3 × 4230463

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12691389
Product of the distinct prime numbers

The prime factorization of 12691389 is 3 × 4230463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12691389)

Multiplication

n×y
n×2 25382778
n×3 38074167
n×4 50765556
n×5 63456945

Division

n÷y
n÷2 6345694.5
n÷3 4230463
n÷3 3172847.25
n÷5 2538277.8

Exponentiation

ny
n2 161071354749321
n3 2.0442192198806E+21
n4 2.5943981320782E+28
n5 3.2926515915077E+35

Nth Root

y√n
2√n 3562.4975789465
3√n 233.2579128126
4√n 59.686661650209
5√n 26.345220095792

Divisors of 12691389

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12691388
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12691389 can be divided by 4 positive divisors. The sum of these divisors (counting 12691389) is 1, the average is 0.25.

Base conversion 12691389

Base System Value
2 Binary 110000011010011110111101
3 Ternary 212212210022110
4 Quaternary 300122132331
5 Quinary 11222111024
6 Senary 1132004233
8 Octal 60323675
10 Decimal 12691389
12 Duodecimal 4300679
16 Hexadecimal c1a7bd
20 Vigesimal 3j6899
36 Base36 7k0ql

Cryptographic Hash Functions

md5 2e53d69dfac3a1f6d50acf9fc158c96b
sha1 ab049fea64acd42d65f2ee8f2441ba92ea84e618
sha256 835cd3c265e9cdada2cfc0c25a468e49bc7c7190c6a9d3e3036ed3236914ce96
sha512 b24578e874d6909f1897b4a205c7ba44a52da6d97f818f71a807dad6b7c73002b0de890506a3704331206ce2c2695446044538c1fdee6720a0ed01b1a57794e8
ripemd-160 25df2fdfef63dd59cddbef29557585b3068e3170

12691389 as geometric shapes

Circle

Radius = n
Diameter 25382778
Circumference 79742348.892501
Area 5.0602058478422E+14

Sphere

Radius = n
Volume 8.5628054446721E+21
Surface area 2.0240823391369E+15
Circumference 79742348.892501

Square

Length = n
Perimeter 50765556
Area 161071354749321
Diagonal 17948334.449153

Cube

Length = n
Surface area 966428128495926
Volume 2.0442192198806E+21
Space diagonal 21982130.566621

Equilateral Triangle

Length = n
Perimeter 38074167
Area 69745942517444
Altitude 10991065.28331

Triangular Pyramid

Length = n
Surface area 69745942517444
Volume 2.4091354543491E+20
Height 5982778.1497176