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

28490639 (number)

28490639 is an odd 8-digits composite number following 28490638 and preceding 28490640. In scientific notation, it is written as 2.8490639 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 27472536 positive integers (up to 28490639) that are relatively prime to 28490639.

Interesting facts

28490639 has 8 divisors, whose sum is 29525760
The reverse of 28490639 is 93609482
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty-eight million four hundred ninety thousand six hundred thirty-nine

Notation

Scientific notation	2.8490639 × 10^7
Engineering notation	2.8490639 × 10^6

Prime Factorization of 28490639

Prime Factorization 43 × 79 × 8387

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28490639	Product of the distinct prime numbers

The prime factorization of 28490639 is 43 × 79 × 8387. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 81, 65, 752, 996, 3316, 9344, 55965, 71130, 110625, 585920, 5648994, 101885, 45113566, 40101794, 782694047, 246439208, 2220992484, 2562193833

Basic calculations (n = 28490639)

Multiplication

n×y

n×2	56981278
n×3	85471917
n×4	113962556
n×5	142453195

Division

n÷y

n÷2	14245319.5
n÷3	9496879.6666667
n÷3	7122659.75
n÷5	5698127.8

Exponentiation

n^y

n²	811716510628321
n³	2.3126322074651E+22
n⁴	6.5888369362662E+29
n⁵	1.8772017458103E+37

Nth Root

^y√n

²√n	5337.6623160331
³√n	305.4222906148
⁴√n	73.059306840629
⁵√n	30.969945277418

Divisors of 28490639

1, 43, 79, 3397, 8387, 360641, 662573, 28490639

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	-28490638	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 28490639 can be divided by 8 positive divisors. The sum of these divisors (counting 28490639) is 1, the average is 0.125.

Base conversion 28490639

Base	System	Value
2	Binary	1101100101011101110001111
3	Ternary	1222121110210212
4	Quaternary	1230223232033
5	Quinary	24243200024
6	Senary	2454353035
8	Octal	154535617
10	Decimal	28490639
12	Duodecimal	965b77b
16	Hexadecimal	1b2bb8f
20	Vigesimal	8i16bj
36	Base36	gynin

Cryptographic Hash Functions

md5	97ccb86a4e7dc7ece791fb75b848aa53
sha1	4c08de5a8902f9e93c526f1229be9b8561d5ad97
sha256	e5a0e78da0ced3cf8149ed868ed0b767534e063f8d40ce21cddbe5a97ba94ed6
sha512	574868028c49871fc0c81d23f524e9a492ca9b9f2a4f5e62e0b44ad29558935b51261c3d5db34be5fdf96bad872090a8b798c1928e3e95b1cbf08cead1f0a46c
ripemd-160	cd09ea4ebb063c3e4a9b0fdee078469e777c1e89

28490639 as geometric shapes

Circle

Radius = n

Diameter	56981278
Circumference	179011964.35696
Area	2.5500826265875E+15

Sphere

Radius = n

Volume	9.6871311379034E+22
Surface area	1.020033050635E+16
Circumference	179011964.35696

Square

Length = n

Perimeter	113962556
Area	811716510628321
Diagonal	40291848.074476

Cube

Length = n

Surface area	4870299063769926
Volume	2.3126322074651E+22
Space diagonal	49347234.288103

Equilateral Triangle

Length = n

Perimeter	85471917
Area	3.5148355943769E+14
Altitude	24673617.144052

Triangular Pyramid

Length = n

Surface area	3.5148355943769E+14
Volume	2.725463193815E+21
Height	13430616.024825