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

12891421 (number)

12891421 is an odd 8-digits composite number following 12891420 and preceding 12891422. In scientific notation, it is written as 1.2891421 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 12837244 positive integers (up to 12891421) that are relatively prime to 12891421.

Interesting facts

12891421 has 4 divisors, whose sum is 12945600
The reverse of 12891421 is 12419821
Previous prime number is 239

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	1.2891421 × 10^7
Engineering notation	1.2891421 × 10^6

Prime Factorization of 12891421

Prime Factorization 239 × 53939

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12891421	Product of the distinct prime numbers

The prime factorization of 12891421 is 239 × 53939. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 73, 13, 835, 955, 5116, 6910, 37719, 72260, 313916, 95163, 461733, 9908902, 6883877, 58110515, 722211378, 898524231, 2776688774, 7691620217

Basic calculations (n = 12891421)

Multiplication

n×y

n×2	25782842
n×3	38674263
n×4	51565684
n×5	64457105

Division

n÷y

n÷2	6445710.5
n÷3	4297140.3333333
n÷3	3222855.25
n÷5	2578284.2

Exponentiation

n^y

n²	166188735399241
n³	2.1424089534892E+21
n⁴	2.7618695773599E+28
n⁵	3.5604423468838E+35

Nth Root

^y√n

²√n	3590.4625050263
³√n	234.47700806429
⁴√n	59.920468164279
⁵√n	26.427748081564

Divisors of 12891421

1, 239, 53939, 12891421

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	-12891420	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 12891421 can be divided by 4 positive divisors. The sum of these divisors (counting 12891421) is 1, the average is 0.25.

Base conversion 12891421

Base	System	Value
2	Binary	110001001011010100011101
3	Ternary	220020221201001
4	Quaternary	301023110131
5	Quinary	11300011141
6	Senary	1140150301
8	Octal	61132435
10	Decimal	12891421
12	Duodecimal	4398391
16	Hexadecimal	c4b51d
20	Vigesimal	40b8b1
36	Base36	7ob31

Cryptographic Hash Functions

md5	d4c36d3be556e60fe0992b1871aa654d
sha1	103fd6e3ec4f1ce1c0285e8d81a0c6458284f6a3
sha256	329b124b6638823af6b7def6534d409b478510722412df703e385e27d5e9899e
sha512	c0a1c08ea932fe4aa1ab3df733350a7cfa8e3fdeb93062744fe028c270b7ded7b82bfe0565bb2213d59597e9bb1e1e4b3d152f15a4500b4cdab9e871b2bc9ad6
ripemd-160	af2e41dfcc971bf43de0850b951ff7c9e4b3397c

12891421 as geometric shapes

Circle

Radius = n

Diameter	25782842
Circumference	80999187.015866
Area	5.2209731023963E+14

Sphere

Radius = n

Volume	8.9741016390223E+21
Surface area	2.0883892409585E+15
Circumference	80999187.015866

Square

Length = n

Perimeter	51565684
Area	166188735399241
Diagonal	18231222.416461

Cube

Length = n

Surface area	997132412395446
Volume	2.1424089534892E+21
Space diagonal	22328596.15376

Equilateral Triangle

Length = n

Perimeter	38674263
Area	71961833339276
Altitude	11164298.07688

Triangular Pyramid

Length = n

Surface area	71961833339276
Volume	2.524853165145E+20
Height	6077074.1388204