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

28162721 (number)

28162721 is an odd 8-digits composite number following 28162720 and preceding 28162722. In scientific notation, it is written as 2.8162721 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 27246240 positive integers (up to 28162721) that are relatively prime to 28162721.

Interesting facts

28162721 has 8 divisors, whose sum is 29091744
The reverse of 28162721 is 12726182
Previous prime number is 107

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-eight million one hundred sixty-two thousand seven hundred twenty-one

Notation

Scientific notation	2.8162721 × 10^7
Engineering notation	2.8162721 × 10^6

Prime Factorization of 28162721

Prime Factorization 43 × 107 × 6121

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28162721	Product of the distinct prime numbers

The prime factorization of 28162721 is 43 × 107 × 6121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 4, 27, 2, 749, 490, 4982, 9720, 33778, 7694, 309770, 425412, 4948633, 6316793, 85390246, 16101211, 501983860, 975876951, 3151385706, 5804845529

Basic calculations (n = 28162721)

Multiplication

n×y

n×2	56325442
n×3	84488163
n×4	112650884
n×5	140813605

Division

n÷y

n÷2	14081360.5
n÷3	9387573.6666667
n÷3	7040680.25
n÷5	5632544.2

Exponentiation

n^y

n²	793138854123841
n³	2.2336948262949E+22
n⁴	6.2906924192088E+29
n⁵	1.7716301549899E+37

Nth Root

^y√n

²√n	5306.8560372409
³√n	304.2459956302
⁴√n	72.848171131751
⁵√n	30.898323976852

Divisors of 28162721

1, 43, 107, 4601, 6121, 263203, 654947, 28162721

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	-28162720	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 28162721 can be divided by 8 positive divisors. The sum of these divisors (counting 28162721) is 1, the average is 0.125.

Base conversion 28162721

Base	System	Value
2	Binary	1101011011011101010100001
3	Ternary	1221222210222202
4	Quaternary	1223123222201
5	Quinary	24202201341
6	Senary	2443342545
8	Octal	153335241
10	Decimal	28162721
12	Duodecimal	9521a55
16	Hexadecimal	1adbaa1
20	Vigesimal	8g06g1
36	Base36	grmht

Cryptographic Hash Functions

md5	a14f7981a8cb9270c9df88240c1d40d1
sha1	fca431a3c596afe6a2fd725019b8b857c6cab62e
sha256	7af8d45f489809ff309cc4be70ab63dcf27bb933d3e5743c48f8ec893e1c7d16
sha512	a08a2453789e3fed93a91c6401bc14346b0480ff7deec0ff9fb8f9f862eb99ee1913b19fc939c852d96927236bc80baa4106c5425b86de2c38450a02cfadc958
ripemd-160	8ddb4ae233f6b0d35282962d3467d59faaf17c7e

28162721 as geometric shapes

Circle

Radius = n

Diameter	56325442
Circumference	176951594.7974
Area	2.4917191973921E+15

Sphere

Radius = n

Volume	9.3564790088663E+22
Surface area	9.9668767895683E+15
Circumference	176951594.7974

Square

Length = n

Perimeter	112650884
Area	793138854123841
Diagonal	39828101.99153

Cube

Length = n

Surface area	4758833124743046
Volume	2.2336948262949E+22
Space diagonal	48779263.651387

Equilateral Triangle

Length = n

Perimeter	84488163
Area	3.4343919819986E+14
Altitude	24389631.825693

Triangular Pyramid

Length = n

Surface area	3.4343919819986E+14
Volume	2.6324345979574E+21
Height	13276033.997177