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

12728987 (number)

12728987 is an odd 8-digits prime number following 12728986 and preceding 12728988. In scientific notation, it is written as 1.2728987 × 10^7. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 12728986 positive integers (up to 12728987) that are relatively prime to 12728987.

Interesting facts

12728987 has 2 divisors, whose sum is 12728988
The reverse of 12728987 is 78982721
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	twelve million seven hundred twenty-eight thousand nine hundred eighty-seven

Notation

Scientific notation	1.2728987 × 10^7
Engineering notation	1.2728987 × 10^6

Prime Factorization of 12728987

Prime Factorization 12728987

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	12728987	Product of the distinct prime numbers

The prime factorization of 12728987 is 12728987. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 9, 65, 25, 153, 869, 458, 9607, 10740, 54984, 622475, 346367, 3015856, 7048775, 33537586, 98844110, 187695570, 536380965, 6450680570, 6444493504

Basic calculations (n = 12728987)

Multiplication

n×y

n×2	25457974
n×3	38186961
n×4	50915948
n×5	63644935

Division

n÷y

n÷2	6364493.5
n÷3	4242995.6666667
n÷3	3182246.75
n÷5	2545797.4

Exponentiation

n^y

n²	162027110046169
n³	2.0624409774253E+21
n⁴	2.6252784389913E+28
n⁵	3.3417135121301E+35

Nth Root

^y√n

²√n	3567.7705924008
³√n	233.48802644531
⁴√n	59.730817777767
⁵√n	26.360811074833

Divisors of 12728987

1, 12728987

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	12728988	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	6364494	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	3567.7707325443	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998428783	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12728987 can be divided by 2 positive divisors. The sum of these divisors (counting 12728987) is 12728988, the average is 6364494.

Base conversion 12728987

Base	System	Value
2	Binary	110000100011101010011011
3	Ternary	212221200212222
4	Quaternary	300203222123
5	Quinary	11224311422
6	Senary	1132454255
8	Octal	60435233
10	Decimal	12728987
12	Duodecimal	431a38b
16	Hexadecimal	c23a9b
20	Vigesimal	3jb297
36	Base36	7ktqz

Cryptographic Hash Functions

md5	5c4961261a118184dde16220a2c53453
sha1	d8ea66d47ebfa056b19400efa7441e74a0923f1c
sha256	0db71a19bf78b98787965d5e8228f78a775481a365fdf20640f6748401876a23
sha512	b40fef6467646e86745c7a2ded255303af55d664dce2bb36752c7b131f4d4ac5c146f306e992fde54f1fb9d4821572da829fcd365bfe30d836e277a32f55be21
ripemd-160	61e771d4c41a9bf5e8256926bb1848dc03e757e2

12728987 as geometric shapes

Circle

Radius = n

Diameter	25457974
Circumference	79978584.09368
Area	5.0902317860343E+14

Sphere

Radius = n

Volume	8.639132564189E+21
Surface area	2.0360927144137E+15
Circumference	79978584.09368

Square

Length = n

Perimeter	50915948
Area	162027110046169
Diagonal	18001506.050671

Cube

Length = n

Surface area	972162660277014
Volume	2.0624409774253E+21
Space diagonal	22047252.212884

Equilateral Triangle

Length = n

Perimeter	38186961
Area	70159796700880
Altitude	11023626.106442

Triangular Pyramid

Length = n

Surface area	70159796700880
Volume	2.4306100015573E+20
Height	6000502.0168903