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

28018021 (number)

28018021 is an odd 8-digits prime number following 28018020 and preceding 28018022. In scientific notation, it is written as 2.8018021 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 28018020 positive integers (up to 28018021) that are relatively prime to 28018021.

Interesting facts

28018021 has 2 divisors, whose sum is 28018022
The reverse of 28018021 is 12081082
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty-eight million eighteen thousand twenty-one

Notation

Scientific notation	2.8018021 × 10^7
Engineering notation	2.8018021 × 10^6

Prime Factorization of 28018021

Prime Factorization 28018021

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	28018021	Product of the distinct prime numbers

The prime factorization of 28018021 is 28018021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 10, 33, 22, 152, 700, 4635, 1423, 83610, 66324, 422331, 916918, 9673851, 1179579, 37118695, 55056454, 659889143, 981037935, 4990870735, 839257517

Basic calculations (n = 28018021)

Multiplication

n×y

n×2	56036042
n×3	84054063
n×4	112072084
n×5	140090105

Division

n÷y

n÷2	14009010.5
n÷3	9339340.3333333
n÷3	7004505.25
n÷5	5603604.2

Exponentiation

n^y

n²	785009500756441
n³	2.1994412677393E+22
n⁴	6.1623991627788E+29
n⁵	1.7265822915312E+37

Nth Root

^y√n

²√n	5293.2051726718
³√n	303.72402889489
⁴√n	72.754416860228
⁵√n	30.866507415671

Divisors of 28018021

1, 28018021

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	28018022	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	14009011	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5293.2052671326	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999286174	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28018021 can be divided by 2 positive divisors. The sum of these divisors (counting 28018021) is 28018022, the average is 14009011.

Base conversion 28018021

Base	System	Value
2	Binary	1101010111000010101100101
3	Ternary	1221201110111111
4	Quaternary	1222320111211
5	Quinary	24133034041
6	Senary	2440305021
8	Octal	152702545
10	Decimal	28018021
12	Duodecimal	9472171
16	Hexadecimal	1ab8565
20	Vigesimal	8f2511
36	Base36	goiud

Cryptographic Hash Functions

md5	12143c6f8ce678e3530ebe5119c49066
sha1	742333f7cd52c616874900cec0745dd58fcbe957
sha256	2e006cc16fe4966bf3311f4e2226c7a95729fd194ddd755471d4b148e2eaad07
sha512	9efe315c01389b078aaa1727e5d0c1a8f7892ccf4bfcec07bf1dcc7ca8b39ba497a421d863246abbb0c2adec5f9dc74c6e776b5cbc0cd602ac0a7d150bbd48a7
ripemd-160	75859c06b92b12f49cac8ffd61836ae375176b4f

28018021 as geometric shapes

Circle

Radius = n

Diameter	56036042
Circumference	176042417.88345
Area	2.4661800805746E+15

Sphere

Radius = n

Volume	9.2129980383095E+22
Surface area	9.8647203222985E+15
Circumference	176042417.88345

Square

Length = n

Perimeter	112072084
Area	785009500756441
Diagonal	39623465.289054

Cube

Length = n

Surface area	4710057004538646
Volume	2.1994412677393E+22
Space diagonal	48528635.899532

Equilateral Triangle

Length = n

Perimeter	84054063
Area	3.3991908493361E+14
Altitude	24264317.949766

Triangular Pyramid

Length = n

Surface area	3.3991908493361E+14
Volume	2.5920663920667E+21
Height	13207821.763018