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

12912891 (number)

12912891 is an odd 8-digits composite number following 12912890 and preceding 12912892. In scientific notation, it is written as 1.2912891 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 8504712 positive integers (up to 12912891) that are relatively prime to 12912891.

Interesting facts

12912891 has 8 divisors, whose sum is 17424960
The reverse of 12912891 is 19821921
Previous prime number is 83

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	1.2912891 × 10^7
Engineering notation	1.2912891 × 10^6

Prime Factorization of 12912891

Prime Factorization 3 × 83 × 51859

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12912891	Product of the distinct prime numbers

The prime factorization of 12912891 is 3 × 83 × 51859. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 21, 25, 397, 834, 2236, 1490, 56385, 1202, 216568, 73887, 8243871, 9340055, 26518004, 97967258, 142596227, 453380905, 9417095472, 7635559686

Basic calculations (n = 12912891)

Multiplication

n×y

n×2	25825782
n×3	38738673
n×4	51651564
n×5	64564455

Division

n÷y

n÷2	6456445.5
n÷3	4304297
n÷3	3228222.75
n÷5	2582578.2

Exponentiation

n^y

n²	166742753977881
n³	2.1531310071562E+21
n⁴	2.7803146004128E+28
n⁵	3.5901899380839E+35

Nth Root

^y√n

²√n	3593.4511267026
³√n	234.60710567469
⁴√n	59.945401213959
⁵√n	26.43654503476

Divisors of 12912891

1, 3, 83, 249, 51859, 155577, 4304297, 12912891

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12912890	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12912891 can be divided by 8 positive divisors. The sum of these divisors (counting 12912891) is 1, the average is 0.125.

Base conversion 12912891

Base	System	Value
2	Binary	110001010000100011111011
3	Ternary	220022001011020
4	Quaternary	301100203323
5	Quinary	11301203031
6	Senary	1140433523
8	Octal	61204373
10	Decimal	12912891
12	Duodecimal	43a88a3
16	Hexadecimal	c508fb
20	Vigesimal	40e24b
36	Base36	7ornf

Cryptographic Hash Functions

md5	e56f25742640fff74c9459f5376f3031
sha1	4a3e440148725e9624bfd48ae2a75d8dcca56a8b
sha256	96842e1d87cd31fbf0296ec7b60159b95e98a962c2a62e1340f25a4574fb98a8
sha512	e9fc3430cc7cced6240f55ccf5e97a4a8cb10dbeb0218c1d25c81dcf949cc8fcce7f7fbf8a51672400283c9fa64dc9985d35807c9821e4babc2f718da176d3f2
ripemd-160	533f49fcd4fdf24ebc2291c4837172a7cfc4f417

12912891 as geometric shapes

Circle

Radius = n

Diameter	25825782
Circumference	81134087.004412
Area	5.2383781093624E+14

Sphere

Radius = n

Volume	9.0190140723977E+21
Surface area	2.095351243745E+15
Circumference	81134087.004412

Square

Length = n

Perimeter	51651564
Area	166742753977881
Diagonal	18261585.581645

Cube

Length = n

Surface area	1000456523867286
Volume	2.1531310071562E+21
Space diagonal	22365783.284599

Equilateral Triangle

Length = n

Perimeter	38738673
Area	72201730420912
Altitude	11182891.642299

Triangular Pyramid

Length = n

Surface area	72201730420912
Volume	2.5374892265719E+20
Height	6087195.1938818