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

28188889 (number)

28188889 is an odd 8-digits composite number following 28188888 and preceding 28188890. In scientific notation, it is written as 2.8188889 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 27279540 positive integers (up to 28188889) that are relatively prime to 28188889.

Interesting facts

28188889 has 4 divisors, whose sum is 29098240
The reverse of 28188889 is 98888182
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7

Name

Name	twenty-eight million one hundred eighty-eight thousand eight hundred eighty-nine

Notation

Scientific notation	2.8188889 × 10^7
Engineering notation	2.8188889 × 10^6

Prime Factorization of 28188889

Prime Factorization 31 × 909319

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28188889	Product of the distinct prime numbers

The prime factorization of 28188889 is 31 × 909319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 36, 39, 415, 381, 5387, 5677, 67861, 39059, 746562, 140048, 2999699, 7582435, 44717547, 46658958, 484250299, 314219108, 6305837778, 4946239226

Basic calculations (n = 28188889)

Multiplication

n×y

n×2	56377778
n×3	84566667
n×4	112755556
n×5	140944445

Division

n÷y

n÷2	14094444.5
n÷3	9396296.3333333
n÷3	7047222.25
n÷5	5637777.8

Exponentiation

n^y

n²	794613463054321
n³	2.2399270707944E+22
n⁴	6.3141055566718E+29
n⁵	1.779876206713E+37

Nth Root

^y√n

²√n	5309.3209546984
³√n	304.34019870355
⁴√n	72.865087351203
⁵√n	30.90406381284

Divisors of 28188889

1, 31, 909319, 28188889

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	-28188888	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 28188889 can be divided by 4 positive divisors. The sum of these divisors (counting 28188889) is 1, the average is 0.25.

Base conversion 28188889

Base	System	Value
2	Binary	1101011100010000011011001
3	Ternary	1222001010212221
4	Quaternary	1223202003121
5	Quinary	24204021024
6	Senary	2444104041
8	Octal	153420331
10	Decimal	28188889
12	Duodecimal	9535021
16	Hexadecimal	1ae20d9
20	Vigesimal	8g3c49
36	Base36	gs6op

Cryptographic Hash Functions

md5	eae0158bf4ddca610fc2af0c31f4851c
sha1	7b828c84924033676cfb27822a64be8d8a3958d4
sha256	b434f6c2396568fd112010e40d59a3ed1d293845de5fe9b04da21f4f3b113685
sha512	5b13087b4fa9ce80a7133fcf001aa3a80bc0f4335f05b810b46676901e1535032acc1cdff415dc104034e8cc6ac830a1bf00ab35ce36e31131c330dca2ef0dbb
ripemd-160	b185bccda9c3da1cbc77a8d32ec100d8620c9c1d

28188889 as geometric shapes

Circle

Radius = n

Diameter	56377778
Circumference	177116013.19052
Area	2.496351817975E+15

Sphere

Radius = n

Volume	9.3825845735794E+22
Surface area	9.9854072719E+15
Circumference	177116013.19052

Square

Length = n

Perimeter	112755556
Area	794613463054321
Diagonal	39865109.13203

Cube

Length = n

Surface area	4767680778325926
Volume	2.2399270707944E+22
Space diagonal	48824587.956919

Equilateral Triangle

Length = n

Perimeter	84566667
Area	3.4407772259708E+14
Altitude	24412293.97846

Triangular Pyramid

Length = n

Surface area	3.4407772259708E+14
Volume	2.6397793685367E+21
Height	13288369.710677