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

28663721 (number)

28663721 is an odd 8-digits composite number following 28663720 and preceding 28663722. In scientific notation, it is written as 2.8663721 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 28643712 positive integers (up to 28663721) that are relatively prime to 28663721.

Interesting facts

28663721 has 4 divisors, whose sum is 28683732
The reverse of 28663721 is 12736682
Previous prime number is 1553

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-eight million six hundred sixty-three thousand seven hundred twenty-one

Notation

Scientific notation	2.8663721 × 10^7
Engineering notation	2.8663721 × 10^6

Prime Factorization of 28663721

Prime Factorization 1553 × 18457

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28663721	Product of the distinct prime numbers

The prime factorization of 28663721 is 1553 × 18457. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 9, 92, 36, 637, 460, 627, 6407, 3097, 14380, 581925, 11014, 9120852, 7115430, 16101604, 94139490, 736540765, 122897332, 7881250545, 3214609357

Basic calculations (n = 28663721)

Multiplication

n×y

n×2	57327442
n×3	85991163
n×4	114654884
n×5	143318605

Division

n÷y

n÷2	14331860.5
n÷3	9554573.6666667
n÷3	7165930.25
n÷5	5732744.2

Exponentiation

n^y

n²	821608901565841
n³	2.35503683256E+22
n⁴	6.7504118713223E+29
n⁵	1.9349192251467E+37

Nth Root

^y√n

²√n	5353.8510438749
³√n	306.03952740983
⁴√n	73.170014649957
⁵√n	31.00748295158

Divisors of 28663721

1, 1553, 18457, 28663721

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	-28663720	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 28663721 can be divided by 4 positive divisors. The sum of these divisors (counting 28663721) is 1, the average is 0.25.

Base conversion 28663721

Base	System	Value
2	Binary	1101101010101111110101001
3	Ternary	1222221021020022
4	Quaternary	1231111332221
5	Quinary	24314214341
6	Senary	2502210225
8	Octal	155257651
10	Decimal	28663721
12	Duodecimal	9723975
16	Hexadecimal	1b55fa9
20	Vigesimal	8j2j61
36	Base36	h2d2h

Cryptographic Hash Functions

md5	a0826079c188ac49ae69631654247c65
sha1	b4dcf7f6b29e5ee14d14ce7898d73394b355d9b2
sha256	a93a8471b4a49a3ac8082221f47e28f554a9723eeebf3fa7d9ca98bceb664445
sha512	0d36db8493f10185a00dbd9ce8a2e6dcdffec1f7ed6cbf2cadf67c64fddec228d7438fe6bef5c0e8e56506932ec9c45bf25342f89f10ab990b83c746da686572
ripemd-160	e03061230f5d80307a9631f9b2d687b1bc11d05e

28663721 as geometric shapes

Circle

Radius = n

Diameter	57327442
Circumference	180099470.63629
Area	2.5811604892832E+15

Sphere

Radius = n

Volume	9.8647552161384E+22
Surface area	1.0324641957133E+16
Circumference	180099470.63629

Square

Length = n

Perimeter	114654884
Area	821608901565841
Diagonal	40536622.986278

Cube

Length = n

Surface area	4929653409395046
Volume	2.35503683256E+22
Space diagonal	49647021.105979

Equilateral Triangle

Length = n

Perimeter	85991163
Area	3.5576709036572E+14
Altitude	24823510.552989

Triangular Pyramid

Length = n

Surface area	3.5576709036572E+14
Volume	2.7754375237454E+21
Height	13512207.662093