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

28391749 (number)

28391749 is an odd 8-digits composite number following 28391748 and preceding 28391750. In scientific notation, it is written as 2.8391749 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 28269664 positive integers (up to 28391749) that are relatively prime to 28391749.

Interesting facts

28391749 has 4 divisors, whose sum is 28513836
The reverse of 28391749 is 94719382
Previous prime number is 233

Basic properties

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

Name

Name	twenty-eight million three hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation	2.8391749 × 10^7
Engineering notation	2.8391749 × 10^6

Prime Factorization of 28391749

Prime Factorization 233 × 121853

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28391749	Product of the distinct prime numbers

The prime factorization of 28391749 is 233 × 121853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 52, 26, 436, 597, 1980, 3595, 71105, 73790, 676711, 444077, 5867646, 3891971, 73644017, 68412774, 486658888, 799038727, 2989308172, 5413712761

Basic calculations (n = 28391749)

Multiplication

n×y

n×2	56783498
n×3	85175247
n×4	113566996
n×5	141958745

Division

n÷y

n÷2	14195874.5
n÷3	9463916.3333333
n÷3	7097937.25
n÷5	5678349.8

Exponentiation

n^y

n²	806091411279001
n³	2.2886345020089E+22
n⁴	6.4978336333777E+29
n⁵	1.8448486156262E+37

Nth Root

^y√n

²√n	5328.390845274
³√n	305.06851099128
⁴√n	72.995827588116
⁵√n	30.948416249159

Divisors of 28391749

1, 233, 121853, 28391749

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	-28391748	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 28391749 can be divided by 4 positive divisors. The sum of these divisors (counting 28391749) is 1, the average is 0.25.

Base conversion 28391749

Base	System	Value
2	Binary	1101100010011100101000101
3	Ternary	1222102110011021
4	Quaternary	1230103211011
5	Quinary	24232013444
6	Senary	2452311141
8	Octal	154234505
10	Decimal	28391749
12	Duodecimal	96124b1
16	Hexadecimal	1b13945
20	Vigesimal	8h8j79
36	Base36	gwj7p

Cryptographic Hash Functions

md5	2ee6360a1963f8853bdde9f07c53c7a4
sha1	87a4e7d2ed2f5f5f74b8fa3281fe7b191b981e2e
sha256	aefe383dd1a685a2dc7fcb0d4cb3f1234dcf7fdda7db8322e5533c1bd2344fb0
sha512	b123b27885c7fa59b86a71e5bc69e38e47588984f70813a478fb5c780d76e8ba7404f8d92d11462ae0eb27f13eba756740f9693d035c50fc86b5bb0a335bec13
ripemd-160	6e9948f476e2c7251aafd08197a2d64498f05ffb

28391749 as geometric shapes

Circle

Radius = n

Diameter	56783498
Circumference	178390620.16193
Area	2.5324108557959E+15

Sphere

Radius = n

Volume	9.5866097843511E+22
Surface area	1.0129643423184E+16
Circumference	178390620.16193

Square

Length = n

Perimeter	113566996
Area	806091411279001
Diagonal	40151996.495293

Cube

Length = n

Surface area	4836548467674006
Volume	2.2886345020089E+22
Space diagonal	49175951.783743

Equilateral Triangle

Length = n

Perimeter	85175247
Area	3.4904781997003E+14
Altitude	24587975.891871

Triangular Pyramid

Length = n

Surface area	3.4904781997003E+14
Volume	2.6971816267133E+21
Height	13383998.831764