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

28687621 (number)

28687621 is an odd 8-digits composite number following 28687620 and preceding 28687622. In scientific notation, it is written as 2.8687621 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 28283500 positive integers (up to 28687621) that are relatively prime to 28687621.

Interesting facts

28687621 has 4 divisors, whose sum is 29091744
The reverse of 28687621 is 12678682
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-eight million six hundred eighty-seven thousand six hundred twenty-one

Notation

Scientific notation	2.8687621 × 10^7
Engineering notation	2.8687621 × 10^6

Prime Factorization of 28687621

Prime Factorization 71 × 404051

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28687621	Product of the distinct prime numbers

The prime factorization of 28687621 is 71 × 404051. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 6, 92, 674, 474, 843, 5560, 62347, 59723, 791275, 712433, 7394288, 1823592, 2241750, 33602274, 710703482, 253853937, 2862937507, 2200449618

Basic calculations (n = 28687621)

Multiplication

n×y

n×2	57375242
n×3	86062863
n×4	114750484
n×5	143438105

Division

n÷y

n÷2	14343810.5
n÷3	9562540.3333333
n÷3	7171905.25
n÷5	5737524.2

Exponentiation

n^y

n²	822979598639641
n³	2.3609326816506E+22
n⁴	6.7729541977706E+29
n⁵	1.94299943076E+37

Nth Root

^y√n

²√n	5356.0826169879
³√n	306.12456303994
⁴√n	73.185262293633
⁵√n	31.012652076688

Divisors of 28687621

1, 71, 404051, 28687621

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	-28687620	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 28687621 can be divided by 4 positive divisors. The sum of these divisors (counting 28687621) is 1, the average is 0.25.

Base conversion 28687621

Base	System	Value
2	Binary	1101101011011110100000101
3	Ternary	1222222111000111
4	Quaternary	1231123310011
5	Quinary	24321000441
6	Senary	2502513021
8	Octal	155336405
10	Decimal	28687621
12	Duodecimal	9735771
16	Hexadecimal	1b5bd05
20	Vigesimal	8j5j11
36	Base36	h2vid

Cryptographic Hash Functions

md5	35850a071c914bd20acfc953ce43d1fc
sha1	b61f26122a4b901494ae27d8e69538ba46e4acf4
sha256	955b5b485199055e4203875f0c5cee285927eca05e40a5d2b0b2c03fadaf4df9
sha512	85c1ce05d59d5544545d6964835e5144b4b3fcfa758a8ddb6836d32bd0fd9eafd94346a944d9792939d8b3ecc0512d4dd771364ec5b603686d90c4b00bde1cab
ripemd-160	88928ed109bb01acdc3d68b0d2908ed5c9505f9e

28687621 as geometric shapes

Circle

Radius = n

Diameter	57375242
Circumference	180249638.76514
Area	2.5854666611406E+15

Sphere

Radius = n

Volume	9.8894516910582E+22
Surface area	1.0341866644562E+16
Circumference	180249638.76514

Square

Length = n

Perimeter	114750484
Area	822979598639641
Diagonal	40570422.690419

Cube

Length = n

Surface area	4937877591837846
Volume	2.3609326816506E+22
Space diagonal	49688417.12028

Equilateral Triangle

Length = n

Perimeter	86062863
Area	3.5636061960913E+14
Altitude	24844208.56014

Triangular Pyramid

Length = n

Surface area	3.5636061960913E+14
Volume	2.7823858485335E+21
Height	13523474.23014