12391421 (number)

12391421 is an odd 8-digits composite number following 12391420 and preceding 12391422. In scientific notation, it is written as 1.2391421 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 10539360 positive integers (up to 12391421) that are relatively prime to 12391421.

Interesting facts

Basic properties

Name

Name twelve million three hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation 1.2391421 × 10^7
Engineering notation 1.2391421 × 10^6

Prime Factorization of 12391421

Prime Factorization 7 × 131 × 13513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12391421
Product of the distinct prime numbers

The prime factorization of 12391421 is 7 × 131 × 13513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12391421)

Multiplication

n×y
n×2 24782842
n×3 37174263
n×4 49565684
n×5 61957105

Division

n÷y
n÷2 6195710.5
n÷3 4130473.6666667
n÷3 3097855.25
n÷5 2478284.2

Exponentiation

ny
n2 153547314399241
n3 1.9026694161404E+21
n4 2.3576777759219E+28
n5 2.9214977903792E+35

Nth Root

y√n
2√n 3520.1450254215
3√n 231.40551448319
4√n 59.330810085667
5√n 26.219488948951

Divisors of 12391421

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 -12391420
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 12391421 can be divided by 8 positive divisors. The sum of these divisors (counting 12391421) is 1, the average is 0.125.

Base conversion 12391421

Base System Value
2 Binary 101111010001001111111101
3 Ternary 212022112211112
4 Quaternary 233101033331
5 Quinary 11133011141
6 Senary 1121331405
8 Octal 57211775
10 Decimal 12391421
12 Duodecimal 4196b65
16 Hexadecimal bd13fd
20 Vigesimal 3h8ib1
36 Base36 7dla5

Cryptographic Hash Functions

md5 63f2441dfebebe99377cfc02e6ad9c90
sha1 f807621a03921e65e6b0763b1d6209871ac7079d
sha256 334c08c63ab3b3d6613e5f622e6cfc4b536bebaf906f63581c94ac42352a8744
sha512 d5bdebb07c8712104dc0c82615e8f53d40ee6cfb7f6db1940f4df71e1ea30f3712e20a56a360aeae18353ed01820b53224e14d3b4490719c6097d950496c085b
ripemd-160 1ace4f3070b623f180fbd69b27109caa01f915bc

12391421 as geometric shapes

Circle

Radius = n
Diameter 24782842
Circumference 77857594.362277
Area 4.823831148951E+14

Sphere

Radius = n
Volume 7.9698830132754E+21
Surface area 1.9295324595804E+15
Circumference 77857594.362277

Square

Length = n
Perimeter 49565684
Area 153547314399241
Diagonal 17524115.635275

Cube

Length = n
Surface area 921283886395446
Volume 1.9026694161404E+21
Space diagonal 21462570.749976

Equilateral Triangle

Length = n
Perimeter 37174263
Area 66487937476309
Altitude 10731285.374988

Triangular Pyramid

Length = n
Surface area 66487937476309
Volume 2.2423174108485E+20
Height 5841371.8784249