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

28163921 (number)

28163921 is an odd 8-digits composite number following 28163920 and preceding 28163922. In scientific notation, it is written as 2.8163921 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 28149744 positive integers (up to 28163921) that are relatively prime to 28163921.

Interesting facts

28163921 has 4 divisors, whose sum is 28178100
The reverse of 28163921 is 12936182
Previous prime number is 2389

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-eight million one hundred sixty-three thousand nine hundred twenty-one

Notation

Scientific notation	2.8163921 × 10^7
Engineering notation	2.8163921 × 10^6

Prime Factorization of 28163921

Prime Factorization 2389 × 11789

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28163921	Product of the distinct prime numbers

The prime factorization of 28163921 is 2389 × 11789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 42, 33, 837, 749, 3020, 8452, 31947, 56393, 550020, 280394, 3108957, 5228843, 9961256, 47902397, 934513856, 672545333, 8651771785, 1331650714

Basic calculations (n = 28163921)

Multiplication

n×y

n×2	56327842
n×3	84491763
n×4	112655684
n×5	140819605

Division

n÷y

n÷2	14081960.5
n÷3	9387973.6666667
n÷3	7040980.25
n÷5	5632784.2

Exponentiation

n^y

n²	793206446094241
n³	2.2339803684489E+22
n⁴	6.2917646612546E+29
n⁵	1.7720076287017E+37

Nth Root

^y√n

²√n	5306.9690973285
³√n	304.25031682736
⁴√n	72.848947125738
⁵√n	30.898587284909

Divisors of 28163921

1, 2389, 11789, 28163921

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	-28163920	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 28163921 can be divided by 4 positive divisors. The sum of these divisors (counting 28163921) is 1, the average is 0.25.

Base conversion 28163921

Base	System	Value
2	Binary	1101011011011111101010001
3	Ternary	1221222212122012
4	Quaternary	1223123331101
5	Quinary	24202221141
6	Senary	2443352305
8	Octal	153337521
10	Decimal	28163921
12	Duodecimal	9522695
16	Hexadecimal	1adbf51
20	Vigesimal	8g09g1
36	Base36	grnf5

Cryptographic Hash Functions

md5	c14e5f1d0c6f5f8d65e43e9c99e5ac90
sha1	807834e6bb57a2ec47a64a55ac4ba8b2998c1d9e
sha256	f4ec5437b9625ca3b4f1dc44a441e5a0457d5093cc29824749bfe731c280c378
sha512	e875a6c5e73555ce4cb38b1d7453750ea05d9a4d26420562d11a2c724020c3501ec8a2ef91c003d3a44fcf25681003470efdee6276ec813b3b5b0231eb03481f
ripemd-160	6c2df33f49a18737ba8e664212a7df3c3bad9b47

28163921 as geometric shapes

Circle

Radius = n

Diameter	56327842
Circumference	176959134.61977
Area	2.4919315438297E+15

Sphere

Radius = n

Volume	9.3576750850438E+22
Surface area	9.9677261753189E+15
Circumference	176959134.61977

Square

Length = n

Perimeter	112655684
Area	793206446094241
Diagonal	39829799.047804

Cube

Length = n

Surface area	4759238676565446
Volume	2.2339803684489E+22
Space diagonal	48781342.112356

Equilateral Triangle

Length = n

Perimeter	84491763
Area	3.4346846638159E+14
Altitude	24390671.056178

Triangular Pyramid

Length = n

Surface area	3.4346846638159E+14
Volume	2.6327711126131E+21
Height	13276599.682601