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

12912491 (number)

12912491 is an odd 8-digits composite number following 12912490 and preceding 12912492. In scientific notation, it is written as 1.2912491 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 12881400 positive integers (up to 12912491) that are relatively prime to 12912491.

Interesting facts

12912491 has 4 divisors, whose sum is 12943584
The reverse of 12912491 is 19421921
Previous prime number is 421

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twelve million nine hundred twelve thousand four hundred ninety-one

Notation

Scientific notation	1.2912491 × 10^7
Engineering notation	1.2912491 × 10^6

Prime Factorization of 12912491

Prime Factorization 421 × 30671

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12912491	Product of the distinct prime numbers

The prime factorization of 12912491 is 421 × 30671. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 23, 83, 642, 289, 548, 3328, 49496, 91599, 514013, 119136, 3695405, 9149087, 39679387, 1318727, 871604804, 497644750, 675850256, 5244454192

Basic calculations (n = 12912491)

Multiplication

n×y

n×2	25824982
n×3	38737473
n×4	51649964
n×5	64562455

Division

n÷y

n÷2	6456245.5
n÷3	4304163.6666667
n÷3	3228122.75
n÷5	2582498.2

Exponentiation

n^y

n²	166732423825081
n³	2.1529309220495E+21
n⁴	2.7799701154586E+28
n⁵	3.5896339096129E+35

Nth Root

^y√n

²√n	3593.395469469
³√n	234.6046831908
⁴√n	59.944936979439
⁵√n	26.436381248834

Divisors of 12912491

1, 421, 30671, 12912491

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	-12912490	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 12912491 can be divided by 4 positive divisors. The sum of these divisors (counting 12912491) is 1, the average is 0.25.

Base conversion 12912491

Base	System	Value
2	Binary	110001010000011101101011
3	Ternary	220022000121102
4	Quaternary	301100131223
5	Quinary	11301144431
6	Senary	1140432015
8	Octal	61203553
10	Decimal	12912491
12	Duodecimal	43a860b
16	Hexadecimal	c5076b
20	Vigesimal	40e14b
36	Base36	7orcb

Cryptographic Hash Functions

md5	206dfd2870a5bc38c24aea2398102dea
sha1	c412ebb60835447899f6178f230f97ae4c4312fa
sha256	767ece8c85e316bf697edcebffd42a103451f24d644bb9e7b68ab4a662d1e15b
sha512	e60a51bb65ca9a267f2a9cf53340bf388f20f18c98877ee0141143836452e19d559b523ee2d92942c6ddc126b88936d1315ed73d0592a00418c6286f9710ea27
ripemd-160	64b97daa28976f48c2026597dda58139e871b4c7

12912491 as geometric shapes

Circle

Radius = n

Diameter	25824982
Circumference	81131573.730289
Area	5.2380535780409E+14

Sphere

Radius = n

Volume	9.0181759578629E+21
Surface area	2.0952214312164E+15
Circumference	81131573.730289

Square

Length = n

Perimeter	51649964
Area	166732423825081
Diagonal	18261019.896221

Cube

Length = n

Surface area	1000394542950486
Volume	2.1529309220495E+21
Space diagonal	22365090.464276

Equilateral Triangle

Length = n

Perimeter	38737473
Area	72197257333537
Altitude	11182545.232138

Triangular Pyramid

Length = n

Surface area	72197257333537
Volume	2.5372534240124E+20
Height	6087006.6320735