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

12991805 (number)

12991805 is an odd 8-digits composite number following 12991804 and preceding 12991806. In scientific notation, it is written as 1.2991805 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10151568 positive integers (up to 12991805) that are relatively prime to 12991805.

Interesting facts

12991805 has 8 divisors, whose sum is 15952992
The reverse of 12991805 is 50819921
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twelve million nine hundred ninety-one thousand eight hundred five

Notation

Scientific notation	1.2991805 × 10^7
Engineering notation	1.2991805 × 10^6

Prime Factorization of 12991805

Prime Factorization 5 × 43 × 60427

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12991805	Product of the distinct prime numbers

The prime factorization of 12991805 is 5 × 43 × 60427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 83, 38, 385, 60, 4095, 7666, 12323, 84374, 250155, 235311, 2227394, 2286988, 72302963, 55039052, 500016049, 620988982, 744292926, 491751694

Basic calculations (n = 12991805)

Multiplication

n×y

n×2	25983610
n×3	38975415
n×4	51967220
n×5	64959025

Division

n÷y

n÷2	6495902.5
n÷3	4330601.6666667
n÷3	3247951.25
n÷5	2598361

Exponentiation

n^y

n²	168786997158025
n³	2.1928477536126E+21
n⁴	2.8489050409623E+28
n⁵	3.7012418755699E+35

Nth Root

^y√n

²√n	3604.4146542816
³√n	235.08405021263
⁴√n	60.036777514134
⁵√n	26.468778442132

Divisors of 12991805

1, 5, 43, 215, 60427, 302135, 2598361, 12991805

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12991804	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12991805 can be divided by 8 positive divisors. The sum of these divisors (counting 12991805) is 1, the average is 0.125.

Base conversion 12991805

Base	System	Value
2	Binary	110001100011110100111101
3	Ternary	220110001101222
4	Quaternary	301203310331
5	Quinary	11311214210
6	Senary	1142243125
8	Octal	61436475
10	Decimal	12991805
12	Duodecimal	44264a5
16	Hexadecimal	c63d3d
20	Vigesimal	413ja5
36	Base36	7qgjh

Cryptographic Hash Functions

md5	9dd5a2ec11d4e89c7505efa973fca0b5
sha1	e022f5012fdbe03137aff48ed11c7d87c29fb368
sha256	636c6d8acaa3726d6198b01e576fba49601fae8c691285ec55f1026099b50851
sha512	fc3058516a976445560a709233852c0a37b497bdb811cdd33821c795384c4e0bfb4b5271254c56d1b18d5b4834eb4ab9f589f16ae4f34cdd0fea9bf78418c294
ripemd-160	9b8625c7bff89ed36da25d0070b2ec157e050eb9

12991805 as geometric shapes

Circle

Radius = n

Diameter	25983610
Circumference	81629918.289742
Area	5.3025999029313E+14

Sphere

Radius = n

Volume	9.1853791909204E+21
Surface area	2.1210399611725E+15
Circumference	81629918.289742

Square

Length = n

Perimeter	51967220
Area	168786997158025
Diagonal	18373186.830707

Cube

Length = n

Surface area	1012721982948150
Volume	2.1928477536126E+21
Space diagonal	22502466.342027

Equilateral Triangle

Length = n

Perimeter	38975415
Area	73086913683671
Altitude	11251233.171014

Triangular Pyramid

Length = n

Surface area	73086913683671
Volume	2.5842958611486E+20
Height	6124395.6102355