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

12691985 (number)

12691985 is an odd 8-digits composite number following 12691984 and preceding 12691986. In scientific notation, it is written as 1.2691985 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 10153584 positive integers (up to 12691985) that are relatively prime to 12691985.

Interesting facts

12691985 has 4 divisors, whose sum is 15230388
The reverse of 12691985 is 58919621
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	1.2691985 × 10^7
Engineering notation	1.2691985 × 10^6

Prime Factorization of 12691985

Prime Factorization 5 × 2538397

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12691985	Product of the distinct prime numbers

The prime factorization of 12691985 is 5 × 2538397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 74, 64, 967, 982, 9240, 6792, 25195, 28597, 120008, 631782, 9668846, 2816461, 59928079, 77149064, 269037191, 139048396, 9657839698, 5595314935

Basic calculations (n = 12691985)

Multiplication

n×y

n×2	25383970
n×3	38075955
n×4	50767940
n×5	63459925

Division

n÷y

n÷2	6345992.5
n÷3	4230661.6666667
n÷3	3172996.25
n÷5	2538397

Exponentiation

n^y

n²	161086483240225
n³	2.0445072289877E+21
n⁴	2.5948855082703E+28
n⁵	3.2934247947684E+35

Nth Root

^y√n

²√n	3562.5812271442
³√n	233.26156409511
⁴√n	59.687362373824
⁵√n	26.345467530588

Divisors of 12691985

1, 5, 2538397, 12691985

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	-12691984	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 12691985 can be divided by 4 positive divisors. The sum of these divisors (counting 12691985) is 1, the average is 0.25.

Base conversion 12691985

Base	System	Value
2	Binary	110000011010101000010001
3	Ternary	212212211010112
4	Quaternary	300122220101
5	Quinary	11222120420
6	Senary	1132011105
8	Octal	60325021
10	Decimal	12691985
12	Duodecimal	4300a95
16	Hexadecimal	c1aa11
20	Vigesimal	3j69j5
36	Base36	7k175

Cryptographic Hash Functions

md5	676cbff9bf74c723e563949bc51f66b2
sha1	b5b7c625f2f4e178d70fe4ef4df5219caf17044e
sha256	ee04e442c596eb49a2991b31d4212f2ec69c11000bf26513e9e4d4ff08c8218b
sha512	33dcf8c8e9588a19ce359a34474172aa2d393fde911866f7370d59f60d2f12c76f69c5734fb5e0f488a1dab8f8d33baa461ccd17f134ffbf9ec78ef23f58f9ba
ripemd-160	1afafb60e4bf407d2aed9da5a005920af8d05556

12691985 as geometric shapes

Circle

Radius = n

Diameter	25383970
Circumference	79746093.670944
Area	5.0606811234011E+14

Sphere

Radius = n

Volume	8.5640118543986E+21
Surface area	2.0242724493604E+15
Circumference	79746093.670944

Square

Length = n

Perimeter	50767940
Area	161086483240225
Diagonal	17949177.320436

Cube

Length = n

Surface area	966518899441350
Volume	2.0445072289877E+21
Space diagonal	21983162.868902

Equilateral Triangle

Length = n

Perimeter	38075955
Area	69752493346166
Altitude	10991581.434451

Triangular Pyramid

Length = n

Surface area	69752493346166
Volume	2.4094748763369E+20
Height	5983059.106812