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

28711289 (number)

28711289 is an odd 8-digits prime number following 28711288 and preceding 28711290. In scientific notation, it is written as 2.8711289 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 28711288 positive integers (up to 28711289) that are relatively prime to 28711289.

Interesting facts

28711289 has 2 divisors, whose sum is 28711290
The reverse of 28711289 is 98211782
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-eight million seven hundred eleven thousand two hundred eighty-nine

Notation

Scientific notation	2.8711289 × 10^7
Engineering notation	2.8711289 × 10^6

Prime Factorization of 28711289

Prime Factorization 28711289

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	28711289	Product of the distinct prime numbers

The prime factorization of 28711289 is 28711289. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 7, 43, 51, 8, 649, 5299, 5851, 57469, 7075, 413328, 513599, 6590415, 9890272, 8158779, 47491305, 682994111, 85469006, 7780230857, 226917667

Basic calculations (n = 28711289)

Multiplication

n×y

n×2	57422578
n×3	86133867
n×4	114845156
n×5	143556445

Division

n÷y

n÷2	14355644.5
n÷3	9570429.6666667
n÷3	7177822.25
n÷5	5742257.8

Exponentiation

n^y

n²	824338116041521
n³	2.3667809883384E+22
n⁴	6.7953332955888E+29
n⁵	1.9510277810097E+37

Nth Root

^y√n

²√n	5358.2916120719
³√n	306.2087266883
⁴√n	73.200352540626
⁵√n	31.017767630463

Divisors of 28711289

1, 28711289

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	28711290	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	14355645	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5358.2917053852	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999930341	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28711289 can be divided by 2 positive divisors. The sum of these divisors (counting 28711289) is 28711290, the average is 14355645.

Base conversion 28711289

Base	System	Value
2	Binary	1101101100001100101111001
3	Ternary	2000000200111002
4	Quaternary	1231201211321
5	Quinary	24322230124
6	Senary	2503214345
8	Octal	155414571
10	Decimal	28711289
12	Duodecimal	97473b5
16	Hexadecimal	1b61979
20	Vigesimal	8j8i49
36	Base36	h3drt

Cryptographic Hash Functions

md5	42242a75bb847fe4c10bf7fc5b6a0ee2
sha1	6ecf0510dc3377e05c9d4e65e65cf9d5f23002f7
sha256	f8f2a0ff6c592f3fb9b773930aa0af1792a6eebacbb1d7077711991e19c4725b
sha512	ab951e4d484957792194b92b981a33b0fe68b0328c5e6f2a3a22713ab8e7759e9407b7b1a829e971b54f9ac137738bca3e13a75677c9463880c5ad1cea6c631a
ripemd-160	fa8ea8acc84933fb10429bcd0fe8cfc21c549288

28711289 as geometric shapes

Circle

Radius = n

Diameter	57422578
Circumference	180398349.19499
Area	2.5897345694301E+15

Sphere

Radius = n

Volume	9.9139490208264E+22
Surface area	1.035893827772E+16
Circumference	180398349.19499

Square

Length = n

Perimeter	114845156
Area	824338116041521
Diagonal	40603894.297013

Cube

Length = n

Surface area	4946028696249126
Volume	2.3667809883384E+22
Space diagonal	49729411.298793

Equilateral Triangle

Length = n

Perimeter	86133867
Area	3.5694887489988E+14
Altitude	24864705.649397

Triangular Pyramid

Length = n

Surface area	3.5694887489988E+14
Volume	2.7892781440624E+21
Height	13534631.432338