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

28291281 (number)

28291281 is an odd 8-digits composite number following 28291280 and preceding 28291282. In scientific notation, it is written as 2.8291281 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 17751360 positive integers (up to 28291281) that are relatively prime to 28291281.

Interesting facts

28291281 has 8 divisors, whose sum is 39940704
The reverse of 28291281 is 18219282
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-eight million two hundred ninety-one thousand two hundred eighty-one

Notation

Scientific notation	2.8291281 × 10^7
Engineering notation	2.8291281 × 10^6

Prime Factorization of 28291281

Prime Factorization 3 × 17 × 554731

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28291281	Product of the distinct prime numbers

The prime factorization of 28291281 is 3 × 17 × 554731. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 25, 21, 268, 601, 3724, 3374, 74539, 34862, 837172, 603011, 6742341, 2807023, 31927476, 98018022, 16797608, 839798688, 5893686240, 8210441930

Basic calculations (n = 28291281)

Multiplication

n×y

n×2	56582562
n×3	84873843
n×4	113165124
n×5	141456405

Division

n÷y

n÷2	14145640.5
n÷3	9430427
n÷3	7072820.25
n÷5	5658256.2

Exponentiation

n^y

n²	800396580620961
n³	2.2644244573787E+22
n⁴	6.4063468626973E+29
n⁵	1.8124375927604E+37

Nth Root

^y√n

²√n	5318.9548785452
³√n	304.70824380004
⁴√n	72.931165344763
⁵√n	30.926482158682

Divisors of 28291281

1, 3, 17, 51, 554731, 1664193, 9430427, 28291281

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28291280	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291281 can be divided by 8 positive divisors. The sum of these divisors (counting 28291281) is 1, the average is 0.125.

Base conversion 28291281

Base	System	Value
2	Binary	1101011111011000011010001
3	Ternary	1222020100100020
4	Quaternary	1223323003101
5	Quinary	24220310111
6	Senary	2450214053
8	Octal	153730321
10	Decimal	28291281
12	Duodecimal	9584329
16	Hexadecimal	1afb0d1
20	Vigesimal	8gg841
36	Base36	gudox

Cryptographic Hash Functions

md5	4306e2ffe59e4b71d385ddd594a44d7d
sha1	26ec622c406fb86335d664022be6cefc27988df1
sha256	5e5786ad71a41897a48f3a62fe42c1cb7b632a80b5b1483da172a510245531eb
sha512	594f48be517c08283597085ed78ce85c3629965c9237d5108c8e09e315a932cb9e89833fe3897483039bf542229b7bc528c1e46331a061662b3960070d01755f
ripemd-160	7adac0d8c414c1f7f1f8576961aba261fda73250

28291281 as geometric shapes

Circle

Radius = n

Diameter	56582562
Circumference	177759361.10049
Area	2.5145200176372E+15

Sphere

Radius = n

Volume	9.4851989865465E+22
Surface area	1.0058080070549E+16
Circumference	177759361.10049

Square

Length = n

Perimeter	113165124
Area	800396580620961
Diagonal	40009913.287108

Cube

Length = n

Surface area	4802379483725766
Volume	2.2644244573787E+22
Space diagonal	49001936.103208

Equilateral Triangle

Length = n

Perimeter	84873843
Area	3.4658188595998E+14
Altitude	24500968.051604

Triangular Pyramid

Length = n

Surface area	3.4658188595998E+14
Volume	2.6686498154952E+21
Height	13336637.762369