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

28688081 (number)

28688081 is an odd 8-digits composite number following 28688080 and preceding 28688082. In scientific notation, it is written as 2.8688081 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 27178164 positive integers (up to 28688081) that are relatively prime to 28688081.

Interesting facts

28688081 has 4 divisors, whose sum is 30198000
The reverse of 28688081 is 18088682
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty-eight million six hundred eighty-eight thousand eighty-one

Notation

Scientific notation	2.8688081 × 10^7
Engineering notation	2.8688081 × 10^6

Prime Factorization of 28688081

Prime Factorization 19 × 1509899

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28688081	Product of the distinct prime numbers

The prime factorization of 28688081 is 19 × 1509899. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 22, 37, 674, 134, 8635, 7418, 68431, 41618, 999793, 666909, 9869926, 8007812, 92040557, 65814991, 39816264, 525175319, 4540468966, 4653567812

Basic calculations (n = 28688081)

Multiplication

n×y

n×2	57376162
n×3	86064243
n×4	114752324
n×5	143440405

Division

n÷y

n÷2	14344040.5
n÷3	9562693.6666667
n÷3	7172020.25
n÷5	5737616.2

Exponentiation

n^y

n²	823005991462561
n³	2.3610462546563E+22
n⁴	6.7733886198327E+29
n⁵	1.9431552137024E+37

Nth Root

^y√n

²√n	5356.1255586478
³√n	306.12619924564
⁴√n	73.185555669461
⁵√n	31.012751532328

Divisors of 28688081

1, 19, 1509899, 28688081

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	-28688080	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 28688081 can be divided by 4 positive divisors. The sum of these divisors (counting 28688081) is 1, the average is 0.25.

Base conversion 28688081

Base	System	Value
2	Binary	1101101011011111011010001
3	Ternary	1222222111122112
4	Quaternary	1231123323101
5	Quinary	24321004311
6	Senary	2502515105
8	Octal	155337321
10	Decimal	28688081
12	Duodecimal	9735a95
16	Hexadecimal	1b5bed1
20	Vigesimal	8j6041
36	Base36	h2vv5

Cryptographic Hash Functions

md5	8d05588bb96325066c5b7b9d6f2a848a
sha1	2c02cadfc6a00c0b825ee1a79918e25ac0cd9f6a
sha256	d4bf727b312415ac381bdb359072c655a05db242ba50153396d26c42bf2a75c2
sha512	6f8d7316c16d8bbbd186266c1f776c44a67940d6e09e48482b2052e090dd2b01636bea902d7ac1c4f35d1df9064bb74aa4e579119346ca62f6a9d0600ee2a354
ripemd-160	ca5344ce8979f962bc3458d199663d8435dcb9c0

28688081 as geometric shapes

Circle

Radius = n

Diameter	57376162
Circumference	180252529.03038
Area	2.5855495766392E+15

Sphere

Radius = n

Volume	9.889927424552E+22
Surface area	1.0342198306557E+16
Circumference	180252529.03038

Square

Length = n

Perimeter	114752324
Area	823005991462561
Diagonal	40571073.228658

Cube

Length = n

Surface area	4938035948775366
Volume	2.3610462546563E+22
Space diagonal	49689213.863651

Equilateral Triangle

Length = n

Perimeter	86064243
Area	3.5637204803669E+14
Altitude	24844606.931826

Triangular Pyramid

Length = n

Surface area	3.5637204803669E+14
Volume	2.7825196956043E+21
Height	13523691.076219