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

12911491 (number)

12911491 is an odd 8-digits composite number following 12911490 and preceding 12911492. In scientific notation, it is written as 1.2911491 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 12812800 positive integers (up to 12911491) that are relatively prime to 12911491.

Interesting facts

12911491 has 4 divisors, whose sum is 13010184
The reverse of 12911491 is 19411921
Previous prime number is 131

Basic properties

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

Name

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

Notation

Scientific notation	1.2911491 × 10^7
Engineering notation	1.2911491 × 10^6

Prime Factorization of 12911491

Prime Factorization 131 × 98561

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12911491	Product of the distinct prime numbers

The prime factorization of 12911491 is 131 × 98561. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 5, 16, 861, 212, 9098, 5799, 37330, 69382, 167119, 689457, 1396200, 4819547, 38790117, 30312683, 122839890, 306429863, 3946216902, 4616032304

Basic calculations (n = 12911491)

Multiplication

n×y

n×2	25822982
n×3	38734473
n×4	51645964
n×5	64557455

Division

n÷y

n÷2	6455745.5
n÷3	4303830.3333333
n÷3	3227872.75
n÷5	2582298.2

Exponentiation

n^y

n²	166706599843081
n³	2.1524307635145E+21
n⁴	2.7791090431241E+28
n⁵	3.5882441398316E+35

Nth Root

^y√n

²√n	3593.2563226132
³√n	234.59862676219
⁴√n	59.94377634595
⁵√n	26.435971766261

Divisors of 12911491

1, 131, 98561, 12911491

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	-12911490	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 12911491 can be divided by 4 positive divisors. The sum of these divisors (counting 12911491) is 1, the average is 0.25.

Base conversion 12911491

Base	System	Value
2	Binary	110001010000001110000011
3	Ternary	220021222020101
4	Quaternary	301100032003
5	Quinary	11301131431
6	Senary	1140423231
8	Octal	61201603
10	Decimal	12911491
12	Duodecimal	43a7b17
16	Hexadecimal	c50383
20	Vigesimal	40dieb
36	Base36	7oqkj

Cryptographic Hash Functions

md5	eebb2e3d23c9fd68336537172831b335
sha1	455e1aaad786fff8f1e9ec96c76a5066c16dbf52
sha256	f40c89c5e5640959afba1ff0447df245279dc6c796ae5d6194c0085fd3033cdf
sha512	c13c56f7d17e69618c5ac330040d1747a92341abf50c321d6b1483e4952f44eacec2bfbc2b5cf99b240c389e55e57b9c6cd88749581d05f60d0a36126e12d635
ripemd-160	4fefb6ff7607fece2500b73c154b7514587735f8

12911491 as geometric shapes

Circle

Radius = n

Diameter	25822982
Circumference	81125290.544981
Area	5.2372422937196E+14

Sphere

Radius = n

Volume	9.0160808986906E+21
Surface area	2.0948969174878E+15
Circumference	81125290.544981

Square

Length = n

Perimeter	51645964
Area	166706599843081
Diagonal	18259605.682658

Cube

Length = n

Surface area	1000239599058486
Volume	2.1524307635145E+21
Space diagonal	22363358.413468

Equilateral Triangle

Length = n

Perimeter	38734473
Area	72186075221318
Altitude	11181679.206734

Triangular Pyramid

Length = n

Surface area	72186075221318
Volume	2.5366639815261E+20
Height	6086535.2275527