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

12991618 (number)

12991618 is an even 8-digits composite number following 12991617 and preceding 12991619. In scientific notation, it is written as 1.2991618 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 6495808 positive integers (up to 12991618) that are relatively prime to 12991618.

Interesting facts

12991618 has 4 divisors, whose sum is 19487430
The reverse of 12991618 is 81619921
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 ninety-one thousand six hundred eighteen

Notation

Scientific notation	1.2991618 × 10^7
Engineering notation	1.2991618 × 10^6

Prime Factorization of 12991618

Prime Factorization 2 × 6495809

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12991618	Product of the distinct prime numbers

The prime factorization of 12991618 is 2 × 6495809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 90, 22, 479, 955, 5501, 6392, 41905, 35759, 431956, 872112, 4244395, 2872079, 93380231, 87556012, 972439227, 415017851, 2365925871, 6560561130

Basic calculations (n = 12991618)

Multiplication

n×y

n×2	25983236
n×3	38974854
n×4	51966472
n×5	64958090

Division

n÷y

n÷2	6495809
n÷3	4330539.3333333
n÷3	3247904.5
n÷5	2598323.6

Exponentiation

n^y

n²	168782138257924
n³	2.1927530654701E+21
n⁴	2.8487410194917E+28
n⁵	3.7009755106167E+35

Nth Root

^y√n

²√n	3604.3887137766
³√n	235.08292229832
⁴√n	60.036561475293
⁵√n	26.46870224502

Divisors of 12991618

1, 2, 6495809, 12991618

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	-12991617	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 12991618 can be divided by 4 positive divisors. The sum of these divisors (counting 12991618) is 1, the average is 0.25.

Base conversion 12991618

Base	System	Value
2	Binary	110001100011110010000010
3	Ternary	220110001011001
4	Quaternary	301203302002
5	Quinary	11311212433
6	Senary	1142242214
8	Octal	61436202
10	Decimal	12991618
12	Duodecimal	442636a
16	Hexadecimal	c63c82
20	Vigesimal	413j0i
36	Base36	7qgea

Cryptographic Hash Functions

md5	170ec821dfd035993e48fd04b5c2dea0
sha1	0624f223605ecd2854f2559e0de5dfab47f75f98
sha256	6bb2c4e240cdccf780a6f5c3a95b187dbdf2959659bcfe8665538601664a55f4
sha512	a75c0c1e9cb15bdae75d1d39c6328029acb191896d5be69da29b7d34ccf9cb405d02de36a75f477cd088f1a9e2e728e124965dd42b2bb7c39d40c3f4f0deaf02
ripemd-160	e899dc3144d2a356dc236f7fc6e24caa2c6e03d8

12991618 as geometric shapes

Circle

Radius = n

Diameter	25983236
Circumference	81628743.33409
Area	5.3024472560827E+14

Sphere

Radius = n

Volume	9.1849825621566E+21
Surface area	2.1209789024331E+15
Circumference	81628743.33409

Square

Length = n

Perimeter	51966472
Area	168782138257924
Diagonal	18372922.37277

Cube

Length = n

Surface area	1012692829547544
Volume	2.1927530654701E+21
Space diagonal	22502142.448526

Equilateral Triangle

Length = n

Perimeter	38974854
Area	73084809718210
Altitude	11251071.224263

Triangular Pyramid

Length = n

Surface area	73084809718210
Volume	2.5841842701025E+20
Height	6124307.4575901