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

13078981 (number)

13078981 is an odd 8-digits composite number following 13078980 and preceding 13078982. In scientific notation, it is written as 1.3078981 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 12894700 positive integers (up to 13078981) that are relatively prime to 13078981.

Interesting facts

13078981 has 4 divisors, whose sum is 13263264
The reverse of 13078981 is 18987031
Previous prime number is 71

Basic properties

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

Name

Name	thirteen million seventy-eight thousand nine hundred eighty-one

Notation

Scientific notation	1.3078981 × 10^7
Engineering notation	1.3078981 × 10^6

Prime Factorization of 13078981

Prime Factorization 71 × 184211

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	13078981	Product of the distinct prime numbers

The prime factorization of 13078981 is 71 × 184211. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 40, 43, 569, 725, 2003, 3929, 6744, 40402, 415024, 872426, 2269843, 4108627, 42304549, 73657240, 928019150, 642315556, 4062644979, 1161297373

Basic calculations (n = 13078981)

Multiplication

n×y

n×2	26157962
n×3	39236943
n×4	52315924
n×5	65394905

Division

n÷y

n÷2	6539490.5
n÷3	4359660.3333333
n÷3	3269745.25
n÷5	2615796.2

Exponentiation

n^y

n²	171059743998361
n³	2.2372871416194E+21
n⁴	2.9261436016785E+28
n⁵	3.8270976569624E+35

Nth Root

^y√n

²√n	3616.4873841892
³√n	235.6086891218
⁴√n	60.137237916197
⁵√n	26.50420498682

Divisors of 13078981

1, 71, 184211, 13078981

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	-13078980	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 13078981 can be divided by 4 positive divisors. The sum of these divisors (counting 13078981) is 1, the average is 0.25.

Base conversion 13078981

Base	System	Value
2	Binary	110001111001000111000101
3	Ternary	220121110222201
4	Quaternary	301321013011
5	Quinary	11322011411
6	Senary	1144154501
8	Octal	61710705
10	Decimal	13078981
12	Duodecimal	4468a31
16	Hexadecimal	c791c5
20	Vigesimal	41eh91
36	Base36	7sbt1

Cryptographic Hash Functions

md5	86f8648a7b39461c499e1a16a34ca176
sha1	5e34c817f6bc5ea9b5cc9d1842ad5169b9611ed2
sha256	5cfb082cea31c0dce6369d2cf81648bccf900fe67f3ff0b363a05df390a2baaa
sha512	84f99fbd68f8955e7f557e21412870cff3fcd541c6a2b1f09b588a2e1efef58a93ce549bbe75ef6221ae8dfa69409f73799cb8a456c2b7dba20143f7d737b7df
ripemd-160	86c7462e7d267277cfb6a8b133ddd8a58310deef

13078981 as geometric shapes

Circle

Radius = n

Diameter	26157962
Circumference	82177661.252081
Area	5.374000350702E+14

Sphere

Radius = n

Volume	9.37152646411E+21
Surface area	2.1496001402808E+15
Circumference	82177661.252081

Square

Length = n

Perimeter	52315924
Area	171059743998361
Diagonal	18496472.31222

Cube

Length = n

Surface area	1026358463990166
Volume	2.2372871416194E+21
Space diagonal	22653459.603228

Equilateral Triangle

Length = n

Perimeter	39236943
Area	74071041933722
Altitude	11326729.801614

Triangular Pyramid

Length = n

Surface area	74071041933722
Volume	2.6366681821676E+20
Height	6165490.77074