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

12691891 (number)

12691891 is an odd 8-digits prime number following 12691890 and preceding 12691892. In scientific notation, it is written as 1.2691891 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 12691890 positive integers (up to 12691891) that are relatively prime to 12691891.

Interesting facts

12691891 has 2 divisors, whose sum is 12691892
The reverse of 12691891 is 19819621
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twelve million six hundred ninety-one thousand eight hundred ninety-one

Notation

Scientific notation	1.2691891 × 10^7
Engineering notation	1.2691891 × 10^6

Prime Factorization of 12691891

Prime Factorization 12691891

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	12691891	Product of the distinct prime numbers

The prime factorization of 12691891 is 12691891. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 9, 79, 54, 799, 400, 5264, 8697, 11663, 31857, 211720, 784723, 7696784, 9603341, 29739357, 86835574, 3164710, 13254359, 1762805716, 4007916902

Basic calculations (n = 12691891)

Multiplication

n×y

n×2	25383782
n×3	38075673
n×4	50767564
n×5	63459455

Division

n÷y

n÷2	6345945.5
n÷3	4230630.3333333
n÷3	3172972.75
n÷5	2538378.2

Exponentiation

n^y

n²	161084097155881
n³	2.0444618029359E+21
n⁴	2.5948086356525E+28
n⁵	3.2933028369561E+35

Nth Root

^y√n

²√n	3562.5680344381
³√n	233.26098822928
⁴√n	59.687251858651
⁵√n	26.345428506254

Divisors of 12691891

1, 12691891

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	12691892	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	6345946	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	3562.5681747863	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998424191	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12691891 can be divided by 2 positive divisors. The sum of these divisors (counting 12691891) is 12691892, the average is 6345946.

Base conversion 12691891

Base	System	Value
2	Binary	110000011010100110110011
3	Ternary	212212211000001
4	Quaternary	300122212303
5	Quinary	11222120031
6	Senary	1132010431
8	Octal	60324663
10	Decimal	12691891
12	Duodecimal	4300a17
16	Hexadecimal	c1a9b3
20	Vigesimal	3j69eb
36	Base36	7k14j

Cryptographic Hash Functions

md5	1399321dd3f9321e4e4494b526439a1b
sha1	941dcde35ec71b8bc55d4a490fcb1271b9ec68e5
sha256	28c405e6a1d036e10304362af98809a9c492e6b373e1381dc51734f286d1655a
sha512	e4b1554e8e2d3c90bf09d0d0e0bd0180e74965a12e1fcfa5e32f03ef9d3148707fc3172911c81d216876fedc979c1ab82f41b3c10777d661ad12901df49cd660
ripemd-160	96177668f10c1ce86b95ee2f9bfd6e7f32c8145f

12691891 as geometric shapes

Circle

Radius = n

Diameter	25383782
Circumference	79745503.051525
Area	5.0606061623506E+14

Sphere

Radius = n

Volume	8.5638215741976E+21
Surface area	2.0242424649402E+15
Circumference	79745503.051525

Square

Length = n

Perimeter	50767564
Area	161084097155881
Diagonal	17949044.384361

Cube

Length = n

Surface area	966504582935286
Volume	2.0444618029359E+21
Space diagonal	21983000.056126

Equilateral Triangle

Length = n

Perimeter	38075673
Area	69751460141337
Altitude	10991500.028063

Triangular Pyramid

Length = n

Surface area	69751460141337
Volume	2.4094213412214E+20
Height	5983014.794787