Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

12391381 (number)

12391381 is an odd 8-digits composite number following 12391380 and preceding 12391382. In scientific notation, it is written as 1.2391381 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 11827200 positive integers (up to 12391381) that are relatively prime to 12391381.

Interesting facts

12391381 has 4 divisors, whose sum is 12398764
The reverse of 12391381 is 18319321
Previous prime number is 2581

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	1.2391381 × 10^7
Engineering notation	1.2391381 × 10^6

Prime Factorization of 12391381

Prime Factorization 2581 × 4801

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12391381	Product of the distinct prime numbers

The prime factorization of 12391381 is 2581 × 4801. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 48, 88, 955, 779, 3247, 4041, 83208, 6294, 729814, 663971, 8269198, 5071122, 71596718, 51111198, 750049332, 954888224, 8330948518, 8392323225

Basic calculations (n = 12391381)

Multiplication

n×y

n×2	24782762
n×3	37174143
n×4	49565524
n×5	61956905

Division

n÷y

n÷2	6195690.5
n÷3	4130460.3333333
n÷3	3097845.25
n÷5	2478276.2

Exponentiation

n^y

n²	153546323087161
n³	1.9026509905221E+21
n⁴	2.3576473333587E+28
n⁵	2.9214506371281E+35

Nth Root

^y√n

²√n	3520.1393438329
³√n	231.40526548752
⁴√n	59.330762205056
⁵√n	26.219472021418

Divisors of 12391381

1, 2581, 4801, 12391381

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	-12391380	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 12391381 can be divided by 4 positive divisors. The sum of these divisors (counting 12391381) is 1, the average is 0.25.

Base conversion 12391381

Base	System	Value
2	Binary	101111010001001111010101
3	Ternary	212022112210001
4	Quaternary	233101033111
5	Quinary	11133011011
6	Senary	1121331301
8	Octal	57211725
10	Decimal	12391381
12	Duodecimal	4196b31
16	Hexadecimal	bd13d5
20	Vigesimal	3h8i91
36	Base36	7dl91

Cryptographic Hash Functions

md5	2b9a37d745925f8f120c10ed2540f038
sha1	97d78cb3d65cbe177f31f48b5e64d49ab28a40c4
sha256	08dacf549d56181584e922969fe92b89c1e244815a0e824753f8cad065051efa
sha512	093885b56768fb533cc4718eb95421e9c01c876db53892948f84ee857691dc341ccda84ee6b995e0415376c134e88807c78d31647cad4948a32733be43416135
ripemd-160	589617bec4df6d8302d51388e52db0e5f75bfc97

12391381 as geometric shapes

Circle

Radius = n

Diameter	24782762
Circumference	77857343.034864
Area	4.8238000059635E+14

Sphere

Radius = n

Volume	7.9698058322261E+21
Surface area	1.9295200023854E+15
Circumference	77857343.034864

Square

Length = n

Perimeter	49565524
Area	153546323087161
Diagonal	17524059.066732

Cube

Length = n

Surface area	921277938522966
Volume	1.9026509905221E+21
Space diagonal	21462501.467944

Equilateral Triangle

Length = n

Perimeter	37174143
Area	66487508225587
Altitude	10731250.733972

Triangular Pyramid

Length = n

Surface area	66487508225587
Volume	2.2422956960491E+20
Height	5841353.0222441