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

12908891 (number)

12908891 is an odd 8-digits composite number following 12908890 and preceding 12908892. In scientific notation, it is written as 1.2908891 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 12594000 positive integers (up to 12908891) that are relatively prime to 12908891.

Interesting facts

12908891 has 4 divisors, whose sum is 13223784
The reverse of 12908891 is 19880921
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	1.2908891 × 10^7
Engineering notation	1.2908891 × 10^6

Prime Factorization of 12908891

Prime Factorization 41 × 314851

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12908891	Product of the distinct prime numbers

The prime factorization of 12908891 is 41 × 314851. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 11, 81, 221, 252, 5941, 8366, 93041, 62941, 375438, 610761, 5969340, 2666487, 3454027, 60571828, 584608231, 370662295, 2959891810, 3971480135

Basic calculations (n = 12908891)

Multiplication

n×y

n×2	25817782
n×3	38726673
n×4	51635564
n×5	64544455

Division

n÷y

n÷2	6454445.5
n÷3	4302963.6666667
n÷3	3227222.75
n÷5	2581778.2

Exponentiation

n^y

n²	166639466849881
n³	2.1511307138632E+21
n⁴	2.7768711912013E+28
n⁵	3.5846327528257E+35

Nth Root

^y√n

²√n	3592.8945155682
³√n	234.58287858416
⁴√n	59.940758383325
⁵√n	26.434906992818

Divisors of 12908891

1, 41, 314851, 12908891

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	-12908890	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 12908891 can be divided by 4 positive divisors. The sum of these divisors (counting 12908891) is 1, the average is 0.25.

Base conversion 12908891

Base	System	Value
2	Binary	110001001111100101011011
3	Ternary	220021211200002
4	Quaternary	301033211123
5	Quinary	11301041031
6	Senary	1140403215
8	Octal	61174533
10	Decimal	12908891
12	Duodecimal	43a650b
16	Hexadecimal	c4f95b
20	Vigesimal	40dc4b
36	Base36	7ookb

Cryptographic Hash Functions

md5	d50c23c58b89cf058128693338a4c6a8
sha1	f9d52a1bd33de3807323bc358709963bf4ae4e85
sha256	6831a37b67c859757c164eeaabd3225327960ddf465e2c622ca6d6d53db3776b
sha512	8600f16ac7fdd019cd183ad9d13e1d1df503146db56246f060060d9b95558c8216560b48b60d2ba07d0dd789273b58da877ecdedc80dc5fe615902c205cb7a2e
ripemd-160	6b3360e43a15d1e834891d02f5c09d26f2798772

12908891 as geometric shapes

Circle

Radius = n

Diameter	25817782
Circumference	81108954.263183
Area	5.2351332485371E+14

Sphere

Radius = n

Volume	9.0106352634454E+21
Surface area	2.0940532994148E+15
Circumference	81108954.263183

Square

Length = n

Perimeter	51635564
Area	166639466849881
Diagonal	18255928.727396

Cube

Length = n

Surface area	999836801099286
Volume	2.1511307138632E+21
Space diagonal	22358855.081369

Equilateral Triangle

Length = n

Perimeter	38726673
Area	72157005782546
Altitude	11179427.540684

Triangular Pyramid

Length = n

Surface area	72157005782546
Volume	2.5351318583189E+20
Height	6085309.5757987