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

28687513 (number)

28687513 is an odd 8-digits composite number following 28687512 and preceding 28687514. In scientific notation, it is written as 2.8687513 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 28665360 positive integers (up to 28687513) that are relatively prime to 28687513.

Interesting facts

28687513 has 4 divisors, whose sum is 28709668
The reverse of 28687513 is 31578682
Previous prime number is 1381

Basic properties

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

Name

Name	twenty-eight million six hundred eighty-seven thousand five hundred thirteen

Notation

Scientific notation	2.8687513 × 10^7
Engineering notation	2.8687513 × 10^6

Prime Factorization of 28687513

Prime Factorization 1381 × 20773

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28687513	Product of the distinct prime numbers

The prime factorization of 28687513 is 1381 × 20773. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 70, 1, 406, 483, 6528, 2819, 75575, 75773, 423761, 982593, 783304, 7938959, 31282632, 58506509, 471431457, 138105321, 5048926407, 5151771659

Basic calculations (n = 28687513)

Multiplication

n×y

n×2	57375026
n×3	86062539
n×4	114750052
n×5	143437565

Division

n÷y

n÷2	14343756.5
n÷3	9562504.3333333
n÷3	7171878.25
n÷5	5737502.6

Exponentiation

n^y

n²	822973402125169
n³	2.360906017212E+22
n⁴	6.7728522060548E+29
n⁵	1.9429628570827E+37

Nth Root

^y√n

²√n	5356.0725349831
³√n	306.12417888477
⁴√n	73.18519341358
⁵√n	31.012628726049

Divisors of 28687513

1, 1381, 20773, 28687513

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	-28687512	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 28687513 can be divided by 4 positive divisors. The sum of these divisors (counting 28687513) is 1, the average is 0.25.

Base conversion 28687513

Base	System	Value
2	Binary	1101101011011110010011001
3	Ternary	1222222110212111
4	Quaternary	1231123302121
5	Quinary	24321000023
6	Senary	2502512321
8	Octal	155336231
10	Decimal	28687513
12	Duodecimal	97356a1
16	Hexadecimal	1b5bc99
20	Vigesimal	8j5ifd
36	Base36	h2vfd

Cryptographic Hash Functions

md5	db95488d22dd6853f1df5277ab591f7e
sha1	050fc6baeb56ef5b03cccb007025424554f0c2b6
sha256	892d041cfc41018fdf9de84020269e236e475d25d0ab4aa6fc2a3557855b59f6
sha512	52dc0dfc312c8413f64b984b1eff02c634e5eff04affb8c123aaf08aaf9761cd1939030298f3a57e85b7de883552b3e6950ed1e7de3a2f52e187ee880cc679a6
ripemd-160	8c9a90f465ca392c0c6f0067b5d375003e9a6012

28687513 as geometric shapes

Circle

Radius = n

Diameter	57375026
Circumference	180248960.18112
Area	2.5854471942162E+15

Sphere

Radius = n

Volume	9.8893399993189E+22
Surface area	1.0341788776865E+16
Circumference	180248960.18112

Square

Length = n

Perimeter	114750052
Area	822973402125169
Diagonal	40570269.955354

Cube

Length = n

Surface area	4937840412751014
Volume	2.360906017212E+22
Space diagonal	49688230.058793

Equilateral Triangle

Length = n

Perimeter	86062539
Area	3.5635793643965E+14
Altitude	24844115.029396

Triangular Pyramid

Length = n

Surface area	3.5635793643965E+14
Volume	2.7823544241912E+21
Height	13523423.318451