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

28493890 (number)

28493890 is an even 8-digits composite number following 28493889 and preceding 28493891. In scientific notation, it is written as 2.8493890 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 11397552 positive integers (up to 28493890) that are relatively prime to 28493890.

Interesting facts

28493890 has 8 divisors, whose sum is 51289020
The reverse of 28493890 is 09839482
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty-eight million four hundred ninety-three thousand eight hundred ninety

Notation

Scientific notation	2.8493890 × 10^7
Engineering notation	2.8493890 × 10^6

Prime Factorization of 28493890

Prime Factorization 2 × 5 × 2849389

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28493890	Product of the distinct prime numbers

The prime factorization of 28493890 is 2 × 5 × 2849389. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 92, 58, 628, 522, 8967, 1145, 95561, 34805, 841804, 76391, 8230109, 9556148, 96100272, 67775474, 769877613, 424724448, 7793780072, 8159402657

Basic calculations (n = 28493890)

Multiplication

n×y

n×2	56987780
n×3	85481670
n×4	113975560
n×5	142469450

Division

n÷y

n÷2	14246945
n÷3	9497963.3333333
n÷3	7123472.5
n÷5	5698778

Exponentiation

n^y

n²	811901767332100
n³	2.3134239649166E+22
n⁴	6.5918447979699E+29
n⁵	1.8782730057043E+37

Nth Root

^y√n

²√n	5337.9668414107
³√n	305.43390718007
⁴√n	73.061390907994
⁵√n	30.970652026725

Divisors of 28493890

1, 2, 5, 10, 2849389, 5698778, 14246945, 28493890

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	-28493889	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 28493890 can be divided by 8 positive divisors. The sum of these divisors (counting 28493890) is 1, the average is 0.125.

Base conversion 28493890

Base	System	Value
2	Binary	1101100101100100001000010
3	Ternary	1222121122021021
4	Quaternary	1230230201002
5	Quinary	24243301030
6	Senary	2454420054
8	Octal	154544102
10	Decimal	28493890
12	Duodecimal	966162a
16	Hexadecimal	1b2c842
20	Vigesimal	8i1eea
36	Base36	gyq0y

Cryptographic Hash Functions

md5	dfa6c265e3cffaf9dc73889b0738582e
sha1	4084ca1946cb3f07e0ee5a36fac84793301e2947
sha256	4ba19f9c075450c48c73f1f7778e567ac5fe8c4f1c34397246eae01d2cc83e8f
sha512	49004a326b4b93362ed2bba3ad2aef47626d1e3a7e8c470cffb33387233970e8d8c35d4a6038ed39a00ed299b728f593fe61761754555a08ab3024061b7aed03
ripemd-160	89c189f0eac5b42f043b1d532f5c7be9558e5134

28493890 as geometric shapes

Circle

Radius = n

Diameter	56987780
Circumference	179032390.99239
Area	2.5506646276871E+15

Sphere

Radius = n

Volume	9.6904476437609E+22
Surface area	1.0202658510748E+16
Circumference	179032390.99239

Square

Length = n

Perimeter	113975560
Area	811901767332100
Diagonal	40296445.682767

Cube

Length = n

Surface area	4871410603992600
Volume	2.3134239649166E+22
Space diagonal	49352865.185279

Equilateral Triangle

Length = n

Perimeter	85481670
Area	3.5156377794354E+14
Altitude	24676432.592639

Triangular Pyramid

Length = n

Surface area	3.5156377794354E+14
Volume	2.72639628892E+21
Height	13432148.560922