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

28931021 (number)

28931021 is an odd 8-digits composite number following 28931020 and preceding 28931022. In scientific notation, it is written as 2.8931021 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 24797724 positive integers (up to 28931021) that are relatively prime to 28931021.

Interesting facts

28931021 has 8 divisors, whose sum is 33739200
The reverse of 28931021 is 12013982
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.8931021 × 10^7
Engineering notation	2.8931021 × 10^6

Prime Factorization of 28931021

Prime Factorization 49 × 7 × 84347

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28931021	Product of the distinct prime numbers

The prime factorization of 28931021 is 49 × 7 × 84347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 98, 42, 18, 131, 9999, 5386, 15613, 29811, 958368, 810985, 7404820, 335491, 55226373, 88082967, 527984895, 181133796, 8525888662, 7696234474

Basic calculations (n = 28931021)

Multiplication

n×y

n×2	57862042
n×3	86793063
n×4	115724084
n×5	144655105

Division

n÷y

n÷2	14465510.5
n÷3	9643673.6666667
n÷3	7232755.25
n÷5	5786204.2

Exponentiation

n^y

n²	837003976102441
n³	2.4215379609703E+22
n⁴	7.005756560113E+29
n⁵	2.0268369016152E+37

Nth Root

^y√n

²√n	5378.7564547951
³√n	306.98789683034
⁴√n	73.340005827618
⁵√n	31.065099724002

Divisors of 28931021

1, 7, 49, 343, 84347, 590429, 4133003, 28931021

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	-28931020	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 28931021 can be divided by 8 positive divisors. The sum of these divisors (counting 28931021) is 1, the average is 0.125.

Base conversion 28931021

Base	System	Value
2	Binary	1101110010111001111001101
3	Ternary	2000102211220022
4	Quaternary	1232113033031
5	Quinary	24401243041
6	Senary	2512031525
8	Octal	156271715
10	Decimal	28931021
12	Duodecimal	98325a5
16	Hexadecimal	1b973cd
20	Vigesimal	90g7b1
36	Base36	h83bh

Cryptographic Hash Functions

md5	b17d33da3a200da9c920e14f009d71de
sha1	ff2e2823208d7500ae8b11c3fc0e427714c4ba75
sha256	0c1d3b868ddd778eddd43369ed9cca1638bedae7c4cf340c0af28fc4c472c6ad
sha512	a80cd06d6c5ace67b62d8b1a35914270ce1d6edc60dd05185a60b0e2569e6a0b523763f507707fb9fbdda54de872081363c2834198dd0547b5d666d5fce83aac
ripemd-160	1304466ae3225b774034bbd4c2c2b1c83df9fb86

28931021 as geometric shapes

Circle

Radius = n

Diameter	57862042
Circumference	181778966.0689
Area	2.6295255423489E+15

Sphere

Radius = n

Volume	1.0143314491431E+23
Surface area	1.0518102169396E+16
Circumference	181778966.0689

Square

Length = n

Perimeter	115724084
Area	837003976102441
Diagonal	40914642.271501

Cube

Length = n

Surface area	5022023856614646
Volume	2.4215379609703E+22
Space diagonal	50109998.286842

Equilateral Triangle

Length = n

Perimeter	86793063
Area	3.6243335318665E+14
Altitude	25054999.143421

Triangular Pyramid

Length = n

Surface area	3.6243335318665E+14
Volume	2.8538098551713E+21
Height	13638214.0905