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

28007918 (number)

28007918 is an even 8-digits composite number following 28007917 and preceding 28007919. In scientific notation, it is written as 2.8007918 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 13976560 positive integers (up to 28007918) that are relatively prime to 28007918.

Interesting facts

28007918 has 8 divisors, whose sum is 42094080
The reverse of 28007918 is 81970082
Previous prime number is 521

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-eight million seven thousand nine hundred eighteen

Notation

Scientific notation	2.8007918 × 10^7
Engineering notation	2.8007918 × 10^6

Prime Factorization of 28007918

Prime Factorization 2 × 521 × 26879

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28007918	Product of the distinct prime numbers

The prime factorization of 28007918 is 2 × 521 × 26879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 15, 41, 485, 289, 6199, 1303, 21987, 35329, 393386, 751081, 8534529, 4057970, 74800272, 16244409, 887744811, 555015599, 144054910, 6214877087

Basic calculations (n = 28007918)

Multiplication

n×y

n×2	56015836
n×3	84023754
n×4	112031672
n×5	140039590

Division

n÷y

n÷2	14003959
n÷3	9335972.6666667
n÷3	7001979.5
n÷5	5601583.6

Exponentiation

n^y

n²	784443470694724
n³	2.1970628402853E+22
n⁴	6.1535155871558E+29
n⁵	1.7234715997678E+37

Nth Root

^y√n

²√n	5292.2507499173
³√n	303.68751795593
⁴√n	72.747857356195
⁵√n	30.864281067756

Divisors of 28007918

1, 2, 521, 1042, 26879, 53758, 14003959, 28007918

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	-28007917	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 28007918 can be divided by 8 positive divisors. The sum of these divisors (counting 28007918) is 1, the average is 0.125.

Base conversion 28007918

Base	System	Value
2	Binary	1101010110101110111101110
3	Ternary	1221200221122022
4	Quaternary	1222311313232
5	Quinary	24132223133
6	Senary	2440150142
8	Octal	152656756
10	Decimal	28007918
12	Duodecimal	9468352
16	Hexadecimal	1ab5dee
20	Vigesimal	8f0jfi
36	Base36	gob1q

Cryptographic Hash Functions

md5	4c81bfdc9eb3a2c6f93f71bf71d4b500
sha1	24679355d86034f8b9bf001861cbc93db8559114
sha256	ddc319e730a4310eefb8688f5568bc1fa153855547b9b21c4d89fe67d7f286d9
sha512	a1f78ba85e01ca92f40985015587c7a9e52b2ab110d05be6fb1926c6af04879b8ca07ff301da1a32f50ea23ab1415d02cab7ba7b6e81e4825bd85b0502730104
ripemd-160	e352b02f89e7186c8802eea125a21f22a965da5f

28007918 as geometric shapes

Circle

Radius = n

Diameter	56015836
Circumference	175978938.86229
Area	2.464401844691E+15

Sphere

Radius = n

Volume	9.2030353046873E+22
Surface area	9.8576073787641E+15
Circumference	175978938.86229

Square

Length = n

Perimeter	112031672
Area	784443470694724
Diagonal	39609177.489434

Cube

Length = n

Surface area	4706660824168344
Volume	2.1970628402853E+22
Space diagonal	48511136.990223

Equilateral Triangle

Length = n

Perimeter	84023754
Area	3.3967398672723E+14
Altitude	24255568.495111

Triangular Pyramid

Length = n

Surface area	3.3967398672723E+14
Volume	2.5892633884312E+21
Height	13203059.163145