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

12891091 (number)

12891091 is an odd 8-digits composite number following 12891090 and preceding 12891092. In scientific notation, it is written as 1.2891091 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 12883312 positive integers (up to 12891091) that are relatively prime to 12891091.

Interesting facts

12891091 has 4 divisors, whose sum is 12898872
The reverse of 12891091 is 19019821
Previous prime number is 2393

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	1.2891091 × 10^7
Engineering notation	1.2891091 × 10^6

Prime Factorization of 12891091

Prime Factorization 2393 × 5387

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12891091	Product of the distinct prime numbers

The prime factorization of 12891091 is 2393 × 5387. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 63, 67, 835, 758, 8230, 3163, 28351, 93317, 219670, 86660, 1757597, 3567112, 3369119, 78450762, 561075950, 554343914, 5575330013, 670207501

Basic calculations (n = 12891091)

Multiplication

n×y

n×2	25782182
n×3	38673273
n×4	51564364
n×5	64455455

Division

n÷y

n÷2	6445545.5
n÷3	4297030.3333333
n÷3	3222772.75
n÷5	2578218.2

Exponentiation

n^y

n²	166180227170281
n³	2.1422444308528E+21
n⁴	2.7615867902366E+28
n⁵	3.5599866617338E+35

Nth Root

^y√n

²√n	3590.4165496499
³√n	234.47500730029
⁴√n	59.920084693281
⁵√n	26.427612778463

Divisors of 12891091

1, 2393, 5387, 12891091

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	-12891090	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 12891091 can be divided by 4 positive divisors. The sum of these divisors (counting 12891091) is 1, the average is 0.25.

Base conversion 12891091

Base	System	Value
2	Binary	110001001011001111010011
3	Ternary	220020221020211
4	Quaternary	301023033103
5	Quinary	11300003331
6	Senary	1140144551
8	Octal	61131723
10	Decimal	12891091
12	Duodecimal	4398157
16	Hexadecimal	c4b3d3
20	Vigesimal	40b7eb
36	Base36	7oatv

Cryptographic Hash Functions

md5	1762c8536c14b78447d76de7288a656c
sha1	0f9cda022209eb1b176dd125bdccae499bfbe436
sha256	cf4aa62b6aced4bd2e17f482b30dc20e8f43cfbd05355f7f4c5d23d810204c81
sha512	e7f2c029ecc6bacc11c144c480852124c5e0ef970c1c8e43815d02b9f04becb1415702085821aa5e1ee3727c75242c25f46ba4a0565da93894759cf3458fd0f0
ripemd-160	b2a3e1cb8db8897172c7b47701d92c5530a6f01a

12891091 as geometric shapes

Circle

Radius = n

Diameter	25782182
Circumference	80997113.564715
Area	5.2207058085004E+14

Sphere

Radius = n

Volume	8.9734124882143E+21
Surface area	2.0882823234002E+15
Circumference	80997113.564715

Square

Length = n

Perimeter	51564364
Area	166180227170281
Diagonal	18230755.725986

Cube

Length = n

Surface area	997081363021686
Volume	2.1422444308528E+21
Space diagonal	22328024.576994

Equilateral Triangle

Length = n

Perimeter	38673273
Area	71958149168066
Altitude	11164012.288497

Triangular Pyramid

Length = n

Surface area	71958149168066
Volume	2.5246592733585E+20
Height	6076918.5753286