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

12989905 (number)

12989905 is an odd 8-digits composite number following 12989904 and preceding 12989906. In scientific notation, it is written as 1.2989905 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 10391920 positive integers (up to 12989905) that are relatively prime to 12989905.

Interesting facts

12989905 has 4 divisors, whose sum is 15587892
The reverse of 12989905 is 50998921
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	1.2989905 × 10^7
Engineering notation	1.2989905 × 10^6

Prime Factorization of 12989905

Prime Factorization 5 × 2597981

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12989905	Product of the distinct prime numbers

The prime factorization of 12989905 is 5 × 2597981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 48, 21, 476, 383, 1806, 7928, 63654, 76622, 199845, 625767, 7589773, 3003673, 4994291, 13279549, 490324301, 652333717, 2110867186, 8647736131

Basic calculations (n = 12989905)

Multiplication

n×y

n×2	25979810
n×3	38969715
n×4	51959620
n×5	64949525

Division

n÷y

n÷2	6494952.5
n÷3	4329968.3333333
n÷3	3247476.25
n÷5	2597981

Exponentiation

n^y

n²	168737631909025
n³	2.1918858084232E+21
n⁴	2.8472388422266E+28
n⁵	3.6985362072833E+35

Nth Root

^y√n

²√n	3604.1510789644
³√n	235.07258961699
⁴√n	60.03458235854
⁵√n	26.468004206046

Divisors of 12989905

1, 5, 2597981, 12989905

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	-12989904	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 12989905 can be divided by 4 positive divisors. The sum of these divisors (counting 12989905) is 1, the average is 0.25.

Base conversion 12989905

Base	System	Value
2	Binary	110001100011010111010001
3	Ternary	220102221210121
4	Quaternary	301203113101
5	Quinary	11311134110
6	Senary	1142230241
8	Octal	61432721
10	Decimal	12989905
12	Duodecimal	4425381
16	Hexadecimal	c635d1
20	Vigesimal	413ef5
36	Base36	7qf2p

Cryptographic Hash Functions

md5	764af6de07464aa2673418a053d2dfe4
sha1	0b9ef269da2435cf48345037afebdd6065166f01
sha256	a452e551ad77e02187369fcc3057c8ff4bdbccf236212a14d2ed37d8b9e7ea2d
sha512	cd8bd656057a0f3779f12e2c799593128ebb6c7c67ef374f1aee1041aadc21166370b3cea59f953abaab36c3e9083917ce0411630f87fe3c0e6253939954b837
ripemd-160	1d862bd35eed7fab272f72ee8a5d6ace2d8c9872

12989905 as geometric shapes

Circle

Radius = n

Diameter	25979810
Circumference	81617980.237659
Area	5.3010490478953E+14

Sphere

Radius = n

Volume	9.1813498043334E+21
Surface area	2.1204196191581E+15
Circumference	81617980.237659

Square

Length = n

Perimeter	51959620
Area	168737631909025
Diagonal	18370499.824938

Cube

Length = n

Surface area	1012425791454150
Volume	2.1918858084232E+21
Space diagonal	22499175.445493

Equilateral Triangle

Length = n

Perimeter	38969715
Area	73065537903822
Altitude	11249587.722746

Triangular Pyramid

Length = n

Surface area	73065537903822
Volume	2.583162197871E+20
Height	6123499.941646