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

28006985 (number)

28006985 is an odd 8-digits composite number following 28006984 and preceding 28006986. In scientific notation, it is written as 2.8006985 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21431344 positive integers (up to 28006985) that are relatively prime to 28006985.

Interesting facts

28006985 has 4 divisors, whose sum is 28250640
The reverse of 28006985 is 58960082
Previous prime number is 115

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-eight million six thousand nine hundred eighty-five

Notation

Scientific notation	2.8006985 × 10^7
Engineering notation	2.8006985 × 10^6

Prime Factorization of 28006985

Prime Factorization 115 × 243539

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28006985	Product of the distinct prime numbers

The prime factorization of 28006985 is 115 × 243539. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 65, 1, 26, 530, 8214, 2229, 27564, 61879, 487591, 90129, 8177309, 4935984, 6470125, 43845021, 995031762, 265985084, 5002716732, 9476869246

Basic calculations (n = 28006985)

Multiplication

n×y

n×2	56013970
n×3	84020955
n×4	112027940
n×5	140034925

Division

n÷y

n÷2	14003492.5
n÷3	9335661.6666667
n÷3	7001746.25
n÷5	5601397

Exponentiation

n^y

n²	784391208790225
n³	2.196843281872E+22
n⁴	6.1526956842739E+29
n⁵	1.7231845573902E+37

Nth Root

^y√n

²√n	5292.1626014324
³√n	303.68414577144
⁴√n	72.747251504317
⁵√n	30.864075434778

Divisors of 28006985

1, 115, 243539, 28006985

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	-28006984	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 28006985 can be divided by 4 positive divisors. The sum of these divisors (counting 28006985) is 1, the average is 0.25.

Base conversion 28006985

Base	System	Value
2	Binary	1101010110101101001001001
3	Ternary	1221200220100202
4	Quaternary	1222311221021
5	Quinary	24132210420
6	Senary	2440141545
8	Octal	152655111
10	Decimal	28006985
12	Duodecimal	94678b5
16	Hexadecimal	1ab5a49
20	Vigesimal	8f0h95
36	Base36	goabt

Cryptographic Hash Functions

md5	174186d6740b99d8e397c59583b9dc86
sha1	e43671324d4da0cd3ff09a9e9226866b54f98e25
sha256	4181c1535a8dbd40b92c1dba0a1d89dbc40c2c4cd28da90f1e3eb89b7a9addbf
sha512	8541a6072e0ea8676841a82fbd0a634be50f6dddc714be9fc93524dbbb765f20dbe85121771e2e6f76fb9d7b2122999b425a534472bc5679f59527ba2e41bd21
ripemd-160	69ddf8eba79ccb0581134bae7ca46ef0eab215a1

28006985 as geometric shapes

Circle

Radius = n

Diameter	56013970
Circumference	175973076.6504
Area	2.4642376590758E+15

Sphere

Radius = n

Volume	9.2021156205561E+22
Surface area	9.8569506363032E+15
Circumference	175973076.6504

Square

Length = n

Perimeter	112027940
Area	784391208790225
Diagonal	39607858.02818

Cube

Length = n

Surface area	4706347252741350
Volume	2.196843281872E+22
Space diagonal	48509520.986819

Equilateral Triangle

Length = n

Perimeter	84020955
Area	3.3965135665876E+14
Altitude	24254760.49341

Triangular Pyramid

Length = n

Surface area	3.3965135665876E+14
Volume	2.5890046363596E+21
Height	13202619.342727