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

12918881 (number)

12918881 is an odd 8-digits composite number following 12918880 and preceding 12918882. In scientific notation, it is written as 1.2918881 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 12853764 positive integers (up to 12918881) that are relatively prime to 12918881.

Interesting facts

12918881 has 4 divisors, whose sum is 12984000
The reverse of 12918881 is 18881921
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twelve million nine hundred eighteen thousand eight hundred eighty-one

Notation

Scientific notation	1.2918881 × 10^7
Engineering notation	1.2918881 × 10^6

Prime Factorization of 12918881

Prime Factorization 199 × 64919

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12918881	Product of the distinct prime numbers

The prime factorization of 12918881 is 199 × 64919. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 78, 51, 431, 650, 5307, 4704, 953, 46744, 642898, 332156, 6570544, 7526539, 29283635, 90137686, 249268719, 333239547, 8901156067, 4164653920

Basic calculations (n = 12918881)

Multiplication

n×y

n×2	25837762
n×3	38756643
n×4	51675524
n×5	64594405

Division

n÷y

n÷2	6459440.5
n÷3	4306293.6666667
n÷3	3229720.25
n÷5	2583776.2

Exponentiation

n^y

n²	166897486292161
n³	2.1561287646076E+21
n⁴	2.7854770930642E+28
n⁵	3.5985247093522E+35

Nth Root

^y√n

²√n	3594.284490688
³√n	234.64337638855
⁴√n	59.95235183617
⁵√n	26.438997243642

Divisors of 12918881

1, 199, 64919, 12918881

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	-12918880	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 12918881 can be divided by 4 positive divisors. The sum of these divisors (counting 12918881) is 1, the average is 0.25.

Base conversion 12918881

Base	System	Value
2	Binary	110001010010000001100001
3	Ternary	220022100101002
4	Quaternary	301102001201
5	Quinary	11301401011
6	Senary	1140521345
8	Octal	61220141
10	Decimal	12918881
12	Duodecimal	43b0255
16	Hexadecimal	c52061
20	Vigesimal	40eh41
36	Base36	7ow9t

Cryptographic Hash Functions

md5	d5e81b8ad6afe58d992fb622a5fbd13c
sha1	fa1d27aae7bfe8b1be35ad46a484ae14510c94ad
sha256	83651fc9649058b5927706bdaa8f6438fc44004509f32cc2596ed0bf974256a0
sha512	5f433bb58601c2e7e6aa27a916b3cdcc44bc21aacb2b1546cff1f4234fb1a1111d5c55e932154c91ac3561226de4fe665312f8ae3119e907c54a1769994a97bb
ripemd-160	6b2f5720875e62ced9261435d5301360901eaa41

12918881 as geometric shapes

Circle

Radius = n

Diameter	25837762
Circumference	81171723.284402
Area	5.2432391683806E+14

Sphere

Radius = n

Volume	9.0315710494463E+21
Surface area	2.0972956673522E+15
Circumference	81171723.284402

Square

Length = n

Perimeter	51675524
Area	166897486292161
Diagonal	18270056.720884

Cube

Length = n

Surface area	1001384917752966
Volume	2.1561287646076E+21
Space diagonal	22376158.268936

Equilateral Triangle

Length = n

Perimeter	38756643
Area	72268731478388
Altitude	11188079.134468

Triangular Pyramid

Length = n

Surface area	72268731478388
Volume	2.541022117609E+20
Height	6090018.9069614