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

12912391 (number)

12912391 is an odd 8-digits prime number following 12912390 and preceding 12912392. In scientific notation, it is written as 1.2912391 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 12912390 positive integers (up to 12912391) that are relatively prime to 12912391.

Interesting facts

12912391 has 2 divisors, whose sum is 12912392
The reverse of 12912391 is 19321921
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	1.2912391 × 10^7
Engineering notation	1.2912391 × 10^6

Prime Factorization of 12912391

Prime Factorization 12912391

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	12912391	Product of the distinct prime numbers

The prime factorization of 12912391 is 12912391. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 9, 79, 25, 782, 67, 2181, 852, 73102, 12218, 742481, 379754, 2332545, 7373339, 23089296, 89378444, 715516520, 998713290, 2283111217, 1302243233

Basic calculations (n = 12912391)

Multiplication

n×y

n×2	25824782
n×3	38737173
n×4	51649564
n×5	64561955

Division

n÷y

n÷2	6456195.5
n÷3	4304130.3333333
n÷3	3228097.75
n÷5	2582478.2

Exponentiation

n^y

n²	166729841336881
n³	2.1528809027098E+21
n⁴	2.7798839992222E+28
n⁵	3.58949491326E+35

Nth Root

^y√n

²√n	3593.3815550259
³√n	234.60407756201
⁴√n	59.944820919124
⁵√n	26.436340301719

Divisors of 12912391

1, 12912391

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	12912392	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	6456196	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	3593.3816941705	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.99999984511	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12912391 can be divided by 2 positive divisors. The sum of these divisors (counting 12912391) is 12912392, the average is 6456196.

Base conversion 12912391

Base	System	Value
2	Binary	110001010000011100000111
3	Ternary	220022000110201
4	Quaternary	301100130013
5	Quinary	11301144031
6	Senary	1140431331
8	Octal	61203407
10	Decimal	12912391
12	Duodecimal	43a8547
16	Hexadecimal	c50707
20	Vigesimal	40e0jb
36	Base36	7or9j

Cryptographic Hash Functions

md5	9568eb645cdbb108e28f75cc7abfb1d5
sha1	0ecef928501f2c4c22950e437ef757b5cb71fff2
sha256	1cf11cb1b20ccb398f6b22677e97fe78199315f9f436fe92a5e7d81189745ed0
sha512	567169beeba5c5557292eb2427e668ff2a59f280fdfedd41a2ec775585ad332773ba6bb1e3980c3778a549a58a83077245f5e21b860c51183623065c7a34d2f4
ripemd-160	28b4964d40fbfea7d298c24289547fb5bb99b0e5

12912391 as geometric shapes

Circle

Radius = n

Diameter	25824782
Circumference	81130945.411758
Area	5.2379724467814E+14

Sphere

Radius = n

Volume	9.0179664373424E+21
Surface area	2.0951889787125E+15
Circumference	81130945.411758

Square

Length = n

Perimeter	51649564
Area	166729841336881
Diagonal	18260878.474864

Cube

Length = n

Surface area	1000379048021286
Volume	2.1528809027098E+21
Space diagonal	22364917.259195

Equilateral Triangle

Length = n

Perimeter	38737173
Area	72196139083344
Altitude	11182458.629598

Triangular Pyramid

Length = n

Surface area	72196139083344
Volume	2.5371944756552E+20
Height	6086959.4916214