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

12686991 (number)

12686991 is an odd 8-digits composite number following 12686990 and preceding 12686992. In scientific notation, it is written as 1.2686991 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 8441280 positive integers (up to 12686991) that are relatively prime to 12686991.

Interesting facts

12686991 has 8 divisors, whose sum is 16949424
The reverse of 12686991 is 19968621
Previous prime number is 541

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twelve million six hundred eighty-six thousand nine hundred ninety-one

Notation

Scientific notation	1.2686991 × 10^7
Engineering notation	1.2686991 × 10^6

Prime Factorization of 12686991

Prime Factorization 3 × 541 × 7817

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12686991	Product of the distinct prime numbers

The prime factorization of 12686991 is 3 × 541 × 7817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 48, 44, 757, 797, 764, 8945, 96712, 66618, 178465, 305110, 7628928, 1475076, 73531528, 44459778, 447800636, 748130287, 2734924994, 6251529844

Basic calculations (n = 12686991)

Multiplication

n×y

n×2	25373982
n×3	38060973
n×4	50747964
n×5	63434955

Division

n÷y

n÷2	6343495.5
n÷3	4228997
n÷3	3171747.75
n÷5	2537398.2

Exponentiation

n^y

n²	160959740634081
n³	2.0420947807869E+21
n⁴	2.5908038104991E+28
n⁵	3.2869504626567E+35

Nth Root

^y√n

²√n	3561.8802618842
³√n	233.23096575364
⁴√n	59.681490111124
⁵√n	26.343393938829

Divisors of 12686991

1, 3, 541, 1623, 7817, 23451, 4228997, 12686991

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	-12686990	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 12686991 can be divided by 8 positive divisors. The sum of these divisors (counting 12686991) is 1, the average is 0.125.

Base conversion 12686991

Base	System	Value
2	Binary	110000011001011010001111
3	Ternary	212212120021120
4	Quaternary	300121122033
5	Quinary	11221440431
6	Senary	1131532023
8	Octal	60313217
10	Decimal	12686991
12	Duodecimal	42ba013
16	Hexadecimal	c1968f
20	Vigesimal	3j5h9b
36	Base36	7jxcf

Cryptographic Hash Functions

md5	f970b2f67ccdfd6373d625f567c372c1
sha1	d81c78f6d66d363feb13d802c4ba1717fc541e4c
sha256	e9bba392f99406a0cb4cd87db44f3f992709b2f776a4898bbe80eaceea2e1026
sha512	33eb6381a967840b66dc88c8e2285072c1e0823bdb116f6b9d007f6c38dab2e502367ca9462958172dd17a2a7709ff0b3e4c161ee5ef08cc9f708eeab7ce24c2
ripemd-160	b91bb9113e383dfeab1967b647388c9ec6722520

12686991 as geometric shapes

Circle

Radius = n

Diameter	25373982
Circumference	79714715.44352
Area	5.0566993869975E+14

Sphere

Radius = n

Volume	8.5539066150057E+21
Surface area	2.022679754799E+15
Circumference	79714715.44352

Square

Length = n

Perimeter	50747964
Area	160959740634081
Diagonal	17942114.737905

Cube

Length = n

Surface area	965758443804486
Volume	2.0420947807869E+21
Space diagonal	21974513.007169

Equilateral Triangle

Length = n

Perimeter	38060973
Area	69697612187834
Altitude	10987256.503585

Triangular Pyramid

Length = n

Surface area	69697612187834
Volume	2.4066317788668E+20
Height	5980704.9126351