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

28443721 (number)

28443721 is an odd 8-digits composite number following 28443720 and preceding 28443722. In scientific notation, it is written as 2.8443721 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 28162000 positive integers (up to 28443721) that are relatively prime to 28443721.

Interesting facts

28443721 has 4 divisors, whose sum is 28725444
The reverse of 28443721 is 12734482
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-eight million four hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation	2.8443721 × 10^7
Engineering notation	2.8443721 × 10^6

Prime Factorization of 28443721

Prime Factorization 101 × 281621

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28443721	Product of the distinct prime numbers

The prime factorization of 28443721 is 101 × 281621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 68, 37, 675, 883, 2270, 359, 51607, 45293, 727906, 893575, 9250497, 5375470, 24716032, 34570957, 46670232, 259692572, 6195007610, 8402156044

Basic calculations (n = 28443721)

Multiplication

n×y

n×2	56887442
n×3	85331163
n×4	113774884
n×5	142218605

Division

n÷y

n÷2	14221860.5
n÷3	9481240.3333333
n÷3	7110930.25
n÷5	5688744.2

Exponentiation

n^y

n²	809045264325841
n³	2.3012257774855E+22
n⁴	6.5455423972807E+29
n⁵	1.8617958174192E+37

Nth Root

^y√n

²√n	5333.2655099854
³√n	305.25454339699
⁴√n	73.029209977826
⁵√n	30.959738374138

Divisors of 28443721

1, 101, 281621, 28443721

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	-28443720	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 28443721 can be divided by 4 positive divisors. The sum of these divisors (counting 28443721) is 1, the average is 0.25.

Base conversion 28443721

Base	System	Value
2	Binary	1101100100000010001001001
3	Ternary	1222112002110011
4	Quaternary	1230200101021
5	Quinary	24240144341
6	Senary	2453351521
8	Octal	154402111
10	Decimal	28443721
12	Duodecimal	96385a1
16	Hexadecimal	1b20449
20	Vigesimal	8hf961
36	Base36	gxnbd

Cryptographic Hash Functions

md5	fe223a1dea8421c0d06673eed81792b6
sha1	bca5286a2fdc4abdcf635dc3d862ce7601467fc3
sha256	1e3f5df9da86cf263e589497b580329a951fac26bb5ec8092cc1b16b474742d6
sha512	352f174f25bed06eab424d3312b756a6bbe1acd4276e331bb1acd43bffc9d743eb535336b50bcfa10d35e6b2d2a6d70ea481d96c555486a56e53c0bb8da32456
ripemd-160	b0200f8de515a487ba08ab04e9c4f3eb0ccd43ab

28443721 as geometric shapes

Circle

Radius = n

Diameter	56887442
Circumference	178717169.86872
Area	2.5416906588277E+15

Sphere

Radius = n

Volume	9.6393519957334E+22
Surface area	1.0166762635311E+16
Circumference	178717169.86872

Square

Length = n

Perimeter	113774884
Area	809045264325841
Diagonal	40225496.002556

Cube

Length = n

Surface area	4854271585955046
Volume	2.3012257774855E+22
Space diagonal	49265969.928314

Equilateral Triangle

Length = n

Perimeter	85331163
Area	3.5032687585884E+14
Altitude	24632984.964157

Triangular Pyramid

Length = n

Surface area	3.5032687585884E+14
Volume	2.7120205871689E+21
Height	13408498.667519