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

12918909 (number)

12918909 is an odd 8-digits composite number following 12918908 and preceding 12918910. In scientific notation, it is written as 1.2918909 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 8174400 positive integers (up to 12918909) that are relatively prime to 12918909.

Interesting facts

12918909 has 16 divisors, whose sum is 18123264
The reverse of 12918909 is 90981921
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twelve million nine hundred eighteen thousand nine hundred nine

Notation

Scientific notation	1.2918909 × 10^7
Engineering notation	1.2918909 × 10^6

Prime Factorization of 12918909

Prime Factorization 3 × 31 × 53 × 2621

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	12918909	Product of the distinct prime numbers

The prime factorization of 12918909 is 3 × 31 × 53 × 2621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 81, 96, 569, 744, 9592, 120, 34964, 43534, 95560, 347291, 4185284, 9296284, 53871671, 19187538, 402505152, 799869573, 1972948433, 6828593970

Basic calculations (n = 12918909)

Multiplication

n×y

n×2	25837818
n×3	38756727
n×4	51675636
n×5	64594545

Division

n÷y

n÷2	6459454.5
n÷3	4306303
n÷3	3229727.25
n÷5	2583781.8

Exponentiation

n^y

n²	166898209750281
n³	2.1561427840268E+21
n⁴	2.7855012417849E+28
n⁵	3.5985637062006E+35

Nth Root

^y√n

²√n	3594.2883857587
³√n	234.64354590813
⁴√n	59.952384320882
⁵√n	26.439008704252

Divisors of 12918909

1, 3, 31, 53, 93, 159, 1643, 2621, 4929, 7863, 81251, 138913, 243753, 416739, 4306303, 12918909

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	-12918908	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 12918909 can be divided by 16 positive divisors. The sum of these divisors (counting 12918909) is 1, the average is 0.0625.

Base conversion 12918909

Base	System	Value
2	Binary	110001010010000001111101
3	Ternary	220022100102010
4	Quaternary	301102001331
5	Quinary	11301401114
6	Senary	1140521433
8	Octal	61220175
10	Decimal	12918909
12	Duodecimal	43b0279
16	Hexadecimal	c5207d
20	Vigesimal	40eh59
36	Base36	7owal

Cryptographic Hash Functions

md5	3cb04f588fcba51997810f06b90c6fa1
sha1	e6a978fb1f69cb0a8948bf10434cf7dcea58b616
sha256	c7c7f3f2d99357a4ebe0c16adf8e9a4b16982efd36abc30b5ac0931a6ae5a893
sha512	36c852e1099c63d58d05b84e5808cdfd078eeb4c6e9ad31cf0a7c6c92045fa91ae1a28b134cc2849259caa2b89db44f91ac291448a3b8d0c323c2035b9e153c8
ripemd-160	98b2d5e85fbccfcf1027254fbfd48d8364843e98

12918909 as geometric shapes

Circle

Radius = n

Diameter	25837818
Circumference	81171899.21359
Area	5.2432618964877E+14

Sphere

Radius = n

Volume	9.0316297738523E+21
Surface area	2.0973047585951E+15
Circumference	81171899.21359

Square

Length = n

Perimeter	51675636
Area	166898209750281
Diagonal	18270096.318864

Cube

Length = n

Surface area	1001389258501686
Volume	2.1561427840268E+21
Space diagonal	22376206.766359

Equilateral Triangle

Length = n

Perimeter	38756727
Area	72269044744944
Altitude	11188103.383179

Triangular Pyramid

Length = n

Surface area	72269044744944
Volume	2.541038639653E+20
Height	6090032.1062879