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

12986905 (number)

12986905 is an odd 8-digits composite number following 12986904 and preceding 12986906. In scientific notation, it is written as 1.2986905 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10363056 positive integers (up to 12986905) that are relatively prime to 12986905.

Interesting facts

12986905 has 8 divisors, whose sum is 15624000
The reverse of 12986905 is 50968921
Previous prime number is 419

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twelve million nine hundred eighty-six thousand nine hundred five

Notation

Scientific notation	1.2986905 × 10^7
Engineering notation	1.2986905 × 10^6

Prime Factorization of 12986905

Prime Factorization 5 × 419 × 6199

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12986905	Product of the distinct prime numbers

The prime factorization of 12986905 is 5 × 419 × 6199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 51, 15, 831, 66, 1877, 9686, 67024, 10122, 283785, 269654, 2771405, 1521747, 2569341, 27421533, 125257208, 924590287, 5988450677, 2379440686

Basic calculations (n = 12986905)

Multiplication

n×y

n×2	25973810
n×3	38960715
n×4	51947620
n×5	64934525

Division

n÷y

n÷2	6493452.5
n÷3	4328968.3333333
n÷3	3246726.25
n÷5	2597381

Exponentiation

n^y

n²	168659701479025
n³	2.1903675204365E+21
n⁴	2.8446094902994E+28
n⁵	3.6942673212617E+35

Nth Root

^y√n

²√n	3603.7348681611
³√n	235.05449166412
⁴√n	60.03111583305
⁵√n	26.466781543541

Divisors of 12986905

1, 5, 419, 2095, 6199, 30995, 2597381, 12986905

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	-12986904	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 12986905 can be divided by 8 positive divisors. The sum of these divisors (counting 12986905) is 1, the average is 0.125.

Base conversion 12986905

Base	System	Value
2	Binary	110001100010101000011001
3	Ternary	220102210200111
4	Quaternary	301202220121
5	Quinary	11311040110
6	Senary	1142204321
8	Octal	61425031
10	Decimal	12986905
12	Duodecimal	44236a1
16	Hexadecimal	c62a19
20	Vigesimal	413755
36	Base36	7qcrd

Cryptographic Hash Functions

md5	adba2564dc9e465f31ca59955c98f7d4
sha1	9bc5bf273c4446a2993473bb048997d5a75f9626
sha256	fdf6a2fb362241dd91302243ae5136b17bbe7a5afbd5ede210b916ad5d7e3899
sha512	25507f166c552ffa989141d2b307f387fb395763b11b4dded4a0552fdf79775fe7a3782d7c530d8986b883b16be33bc61330c224659d072c257d7b95840a132f
ripemd-160	7615612f95782d232093392e7d91bdd9774a8a47

12986905 as geometric shapes

Circle

Radius = n

Diameter	25973810
Circumference	81599130.681737
Area	5.2986007912315E+14

Sphere

Radius = n

Volume	9.1749900144865E+21
Surface area	2.1194403164926E+15
Circumference	81599130.681737

Square

Length = n

Perimeter	51947620
Area	168659701479025
Diagonal	18366257.184251

Cube

Length = n

Surface area	1011958208874150
Volume	2.1903675204365E+21
Space diagonal	22493979.29307

Equilateral Triangle

Length = n

Perimeter	38960715
Area	73031793037768
Altitude	11246989.646535

Triangular Pyramid

Length = n

Surface area	73031793037768
Volume	2.581372878319E+20
Height	6122085.7280837