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

28991729 (number)

28991729 is an odd 8-digits composite number following 28991728 and preceding 28991730. In scientific notation, it is written as 2.8991729 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 26761584 positive integers (up to 28991729) that are relatively prime to 28991729.

Interesting facts

28991729 has 4 divisors, whose sum is 31221876
The reverse of 28991729 is 92719982
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	twenty-eight million nine hundred ninety-one thousand seven hundred twenty-nine

Notation

Scientific notation	2.8991729 × 10^7
Engineering notation	2.8991729 × 10^6

Prime Factorization of 28991729

Prime Factorization 13 × 2230133

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28991729	Product of the distinct prime numbers

The prime factorization of 28991729 is 13 × 2230133. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 35, 33, 318, 19, 336, 2202, 13723, 48887, 610742, 406280, 3481295, 9491392, 61029135, 85317610, 704139770, 699667818, 2022746174, 2382102271

Basic calculations (n = 28991729)

Multiplication

n×y

n×2	57983458
n×3	86975187
n×4	115966916
n×5	144958645

Division

n÷y

n÷2	14495864.5
n÷3	9663909.6666667
n÷3	7247932.25
n÷5	5798345.8

Exponentiation

n^y

n²	840520350409441
n³	2.4368138218056E+22
n⁴	7.0647445945241E+29
n⁵	2.0481916073866E+37

Nth Root

^y√n

²√n	5384.3968093
³√n	307.20247159312
⁴√n	73.378449215693
⁵√n	31.078126012547

Divisors of 28991729

1, 13, 2230133, 28991729

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	-28991728	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 28991729 can be divided by 4 positive divisors. The sum of these divisors (counting 28991729) is 1, the average is 0.25.

Base conversion 28991729

Base	System	Value
2	Binary	1101110100110000011110001
3	Ternary	2000112221011202
4	Quaternary	1232212003301
5	Quinary	24410213404
6	Senary	2513220545
8	Octal	156460361
10	Decimal	28991729
12	Duodecimal	9861755
16	Hexadecimal	1ba60f1
20	Vigesimal	913j69
36	Base36	h9e5t

Cryptographic Hash Functions

md5	425045fd7d830d62759cc60d77678492
sha1	2659217ec159e11e610efc18b7a0bd788765159d
sha256	28f56de31b9227b2dc7f679b8bc8fbed2fe478a9dfa5c01167565d623f27bf6b
sha512	32d086352bab61671c7f4474645c85368931f79bb588067d628db5bfbc0d34c2cdab968cffbe942eb050ca90976eeeb6cb3cfe7bf7c197fd94ab11c8ef95e5eb
ripemd-160	640b35435961148ef435e73c88b94b2b0f6b9011

28991729 as geometric shapes

Circle

Radius = n

Diameter	57983458
Circumference	182160405.68253
Area	2.640572558039E+15

Sphere

Radius = n

Volume	1.0207301867667E+23
Surface area	1.0562290232156E+16
Circumference	182160405.68253

Square

Length = n

Perimeter	115966916
Area	840520350409441
Diagonal	41000496.348445

Cube

Length = n

Surface area	5043122102456646
Volume	2.4368138218056E+22
Space diagonal	50215147.627268

Equilateral Triangle

Length = n

Perimeter	86975187
Area	3.6395598792619E+14
Altitude	25107573.813634

Triangular Pyramid

Length = n

Surface area	3.6395598792619E+14
Volume	2.871812629813E+21
Height	13666832.116148