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

12909991 (number)

12909991 is an odd 8-digits composite number following 12909990 and preceding 12909992. In scientific notation, it is written as 1.2909991 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 12889800 positive integers (up to 12909991) that are relatively prime to 12909991.

Interesting facts

12909991 has 4 divisors, whose sum is 12930184
The reverse of 12909991 is 19990921
Previous prime number is 661

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	1.2909991 × 10^7
Engineering notation	1.2909991 × 10^6

Prime Factorization of 12909991

Prime Factorization 661 × 19531

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12909991	Product of the distinct prime numbers

The prime factorization of 12909991 is 661 × 19531. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 9, 52, 6, 192, 910, 5614, 107, 85327, 10283, 148616, 820620, 5833894, 9431558, 71280084, 53814646, 850821136, 150308387, 5498666457, 1330314412

Basic calculations (n = 12909991)

Multiplication

n×y

n×2	25819982
n×3	38729973
n×4	51639964
n×5	64549955

Division

n÷y

n÷2	6454995.5
n÷3	4303330.3333333
n÷3	3227497.75
n÷5	2581998.2

Exponentiation

n^y

n²	166667867620081
n³	2.1516806709644E+21
n⁴	2.7778178097025E+28
n⁵	3.5861602922899E+35

Nth Root

^y√n

²√n	3593.0475922259
³√n	234.58954153291
⁴√n	59.942035269299
⁵√n	26.435357494826

Divisors of 12909991

1, 661, 19531, 12909991

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	-12909990	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 12909991 can be divided by 4 positive divisors. The sum of these divisors (counting 12909991) is 1, the average is 0.25.

Base conversion 12909991

Base	System	Value
2	Binary	110001001111110110100111
3	Ternary	220021220011211
4	Quaternary	301033312213
5	Quinary	11301104431
6	Senary	1140412251
8	Octal	61176647
10	Decimal	12909991
12	Duodecimal	43a7087
16	Hexadecimal	c4fda7
20	Vigesimal	40dejb
36	Base36	7opev

Cryptographic Hash Functions

md5	e01c4c9654b020896f3f05562c903962
sha1	acd382f80496dfc858101ff3c90772ac47b9c41d
sha256	423a8895ba3831b37a8dd51a43715b57be77435b4372a1f62c88ecdf68879cd0
sha512	c9362982543ecb7c2dd2f39511e448dbbc9301053ab290dc0231e5c8c47543c684036bca91389da31f2091685eea548399c883fe8b6127151fe627b339a6ecae
ripemd-160	5319b2113dfbcdd41f30080e6cb151bc99ea8923

12909991 as geometric shapes

Circle

Radius = n

Diameter	25819982
Circumference	81115865.767021
Area	5.2360254850472E+14

Sphere

Radius = n

Volume	9.012938918364E+21
Surface area	2.0944101940189E+15
Circumference	81115865.767021

Square

Length = n

Perimeter	51639964
Area	166667867620081
Diagonal	18257484.362315

Cube

Length = n

Surface area	1000007205720486
Volume	2.1516806709644E+21
Space diagonal	22360760.337257

Equilateral Triangle

Length = n

Perimeter	38729973
Area	72169303676786
Altitude	11180380.168628

Triangular Pyramid

Length = n

Surface area	72169303676786
Volume	2.5357799889783E+20
Height	6085828.1207715