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

12891009 (number)

12891009 is an odd 8-digits composite number following 12891008 and preceding 12891010. In scientific notation, it is written as 1.2891009 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 8225280 positive integers (up to 12891009) that are relatively prime to 12891009.

Interesting facts

12891009 has 16 divisors, whose sum is 17937920
The reverse of 12891009 is 90019821
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twelve million eight hundred ninety-one thousand nine

Notation

Scientific notation	1.2891009 × 10^7
Engineering notation	1.2891009 × 10^6

Prime Factorization of 12891009

Prime Factorization 3 × 97 × 31 × 1429

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	12891009	Product of the distinct prime numbers

The prime factorization of 12891009 is 3 × 97 × 31 × 1429. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 6, 37, 652, 503, 3650, 5304, 81190, 42725, 620589, 239492, 4824445, 7237050, 7663687, 78522318, 934804322, 713742399, 2070465501, 4109657932

Basic calculations (n = 12891009)

Multiplication

n×y

n×2	25782018
n×3	38673027
n×4	51564036
n×5	64455045

Division

n÷y

n÷2	6445504.5
n÷3	4297003
n÷3	3222752.25
n÷5	2578201.8

Exponentiation

n^y

n²	166178113038081
n³	2.1422035507769E+21
n⁴	2.7615165252897E+28
n⁵	3.5598734381159E+35

Nth Root

^y√n

²√n	3590.4051303439
³√n	234.47451013546
⁴√n	59.919989405406
⁵√n	26.427579157263

Divisors of 12891009

1, 3, 31, 93, 97, 291, 1429, 3007, 4287, 9021, 44299, 132897, 138613, 415839, 4297003, 12891009

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12891008	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12891009 can be divided by 16 positive divisors. The sum of these divisors (counting 12891009) is 1, the average is 0.0625.

Base conversion 12891009

Base	System	Value
2	Binary	110001001011001110000001
3	Ternary	220020221010210
4	Quaternary	301023032001
5	Quinary	11300003014
6	Senary	1140144333
8	Octal	61131601
10	Decimal	12891009
12	Duodecimal	43980a9
16	Hexadecimal	c4b381
20	Vigesimal	40b7a9
36	Base36	7oarl

Cryptographic Hash Functions

md5	78646dfea43accd3702b21615045b664
sha1	bdc658f6d655095520cd218da0ec2aa8df6d3eae
sha256	560e883fec6286ad31bba6f733b8d2748d7de17736eb8a46d09a9ed7b47d5ef6
sha512	a1c1fd757c7958abfa7e395427a89154c16d493419ee9989b061076dc012c3f22ff01223acb56d15971140ebccfe01177272df498b5dc8791e1d41eaab8e21be
ripemd-160	970b45f82c83c32069e4b75d469b5daab396bafc

12891009 as geometric shapes

Circle

Radius = n

Diameter	25782018
Circumference	80996598.34352
Area	5.2206393910785E+14

Sphere

Radius = n

Volume	8.973241250153E+21
Surface area	2.0882557564314E+15
Circumference	80996598.34352

Square

Length = n

Perimeter	51564036
Area	166178113038081
Diagonal	18230639.760474

Cube

Length = n

Surface area	997068678228486
Volume	2.1422035507769E+21
Space diagonal	22327882.548828

Equilateral Triangle

Length = n

Perimeter	38673027
Area	71957233721970
Altitude	11163941.274414

Triangular Pyramid

Length = n

Surface area	71957233721970
Volume	2.5246110957271E+20
Height	6076879.9201579