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

12961918 (number)

12961918 is an even 8-digits composite number following 12961917 and preceding 12961919. In scientific notation, it is written as 1.2961918 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 6480958 positive integers (up to 12961918) that are relatively prime to 12961918.

Interesting facts

12961918 has 4 divisors, whose sum is 19442880
The reverse of 12961918 is 81916921
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twelve million nine hundred sixty-one thousand nine hundred eighteen

Notation

Scientific notation	1.2961918 × 10^7
Engineering notation	1.2961918 × 10^6

Prime Factorization of 12961918

Prime Factorization 2 × 6480959

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12961918	Product of the distinct prime numbers

The prime factorization of 12961918 is 2 × 6480959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 39, 11, 856, 7, 4396, 6404, 46870, 24741, 201971, 133197, 9329802, 4079103, 58549172, 41780496, 13074959, 941612656, 4858188530, 7297153102

Basic calculations (n = 12961918)

Multiplication

n×y

n×2	25923836
n×3	38885754
n×4	51847672
n×5	64809590

Division

n÷y

n÷2	6480959
n÷3	4320639.3333333
n÷3	3240479.5
n÷5	2592383.6

Exponentiation

n^y

n²	168011318238724
n³	2.1777489300822E+21
n⁴	2.8227803056314E+28
n⁵	3.6588646853609E+35

Nth Root

^y√n

²√n	3600.2663790336
³√n	234.90364542345
⁴√n	60.002219784218
⁵√n	26.456589199502

Divisors of 12961918

1, 2, 6480959, 12961918

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	-12961917	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 12961918 can be divided by 4 positive divisors. The sum of these divisors (counting 12961918) is 1, the average is 0.25.

Base conversion 12961918

Base	System	Value
2	Binary	110001011100100001111110
3	Ternary	220101112102001
4	Quaternary	301130201332
5	Quinary	11304240133
6	Senary	1141452514
8	Octal	61344176
10	Decimal	12961918
12	Duodecimal	441113a
16	Hexadecimal	c5c87e
20	Vigesimal	4104fi
36	Base36	7ptha

Cryptographic Hash Functions

md5	de492e9e93adc96dff39be6a4098a09b
sha1	34cc8c4270fc13a935f477ede7c78f9e7b02fd00
sha256	9558a087feb73602e7e4cde4c8f419d8829689b3d4c68460de6ccdd4b3abe4f4
sha512	2bd962f65b7aa8a21544335087d25b02203d42d7783c3b2814cdc21aed95e8bd2016e04b717e108959b79dc16d163b70287c7fd2bafc6919445be54095a47503
ripemd-160	6447066b70d7f0ae4921ebace7c28adea2b9b45b

12961918 as geometric shapes

Circle

Radius = n

Diameter	25923836
Circumference	81442132.730467
Area	5.2782312309871E+14

Sphere

Radius = n

Volume	9.1221333868125E+21
Surface area	2.1112924923948E+15
Circumference	81442132.730467

Square

Length = n

Perimeter	51847672
Area	168011318238724
Diagonal	18330920.229968

Cube

Length = n

Surface area	1008067909432344
Volume	2.1777489300822E+21
Space diagonal	22450700.539542

Equilateral Triangle

Length = n

Perimeter	38885754
Area	72751034859023
Altitude	11225350.269771

Triangular Pyramid

Length = n

Surface area	72751034859023
Volume	2.5665017269715E+20
Height	6110306.7433226