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

20081638 (number)

20081638 is an even 8-digits composite number following 20081637 and preceding 20081639. In scientific notation, it is written as 2.0081638 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10040818 positive integers (up to 20081638) that are relatively prime to 20081638.

Interesting facts

20081638 has 4 divisors, whose sum is 30122460
The reverse of 20081638 is 83618002
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0081638 × 10^7
Engineering notation	2.0081638 × 10^6

Prime Factorization of 20081638

Prime Factorization 2 × 10040819

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20081638	Product of the distinct prime numbers

The prime factorization of 20081638 is 2 × 10040819. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 97, 73, 700, 324, 1247, 5668, 51279, 28087, 279703, 907176, 322686, 3442605, 81950354, 5741806, 45567399, 502334065, 1253790165, 8422137341

Basic calculations (n = 20081638)

Multiplication

n×y

n×2	40163276
n×3	60244914
n×4	80326552
n×5	100408190

Division

n÷y

n÷2	10040819
n÷3	6693879.3333333
n÷3	5020409.5
n÷5	4016327.6

Exponentiation

n^y

n²	403272184763044
n³	8.0983660298806E+21
n⁴	1.6262845500356E+29
n⁵	3.2658457618808E+36

Nth Root

^y√n

²√n	4481.2540655491
³√n	271.81059297857
⁴√n	66.942169561115
⁵√n	28.877515578044

Divisors of 20081638

1, 2, 10040819, 20081638

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	-20081637	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 20081638 can be divided by 4 positive divisors. The sum of these divisors (counting 20081638) is 1, the average is 0.25.

Base conversion 20081638

Base	System	Value
2	Binary	1001100100110101111100110
3	Ternary	1101210020211101
4	Quaternary	1030212233212
5	Quinary	20120103023
6	Senary	1554230314
8	Octal	114465746
10	Decimal	20081638
12	Duodecimal	688539a
16	Hexadecimal	1326be6
20	Vigesimal	65a41i
36	Base36	byf3a

Cryptographic Hash Functions

md5	20ff6bab1517d1d29739e2a707f72629
sha1	d910b7252ab2d2870dd19d5faa4a488ad8ca363a
sha256	a6bb5c31e1e5cb016194a0913d7777add619a4a369ada6d04f0b559ed6748550
sha512	934a0afa2590ad160d5ec323489a0cd7c7b362265a4a833792481935ce4595b9bfe8278619f0012988c34d2ce837cac6cc008da2aa345ddbd2b921bd04e731d4
ripemd-160	19f5327fab6acb345e94bf42f971059a014aee62

20081638 as geometric shapes

Circle

Radius = n

Diameter	40163276
Circumference	126176652.8257
Area	1.2669169330487E+15

Sphere

Radius = n

Volume	3.3922356300739E+22
Surface area	5.0676677321947E+15
Circumference	126176652.8257

Square

Length = n

Perimeter	80326552
Area	403272184763044
Diagonal	28399724.814267

Cube

Length = n

Surface area	2419633108578264
Volume	8.0983660298806E+21
Space diagonal	34782417.315206

Equilateral Triangle

Length = n

Perimeter	60244914
Area	1.7462197832222E+14
Altitude	17391208.657603

Triangular Pyramid

Length = n

Surface area	1.7462197832222E+14
Volume	9.5440158937655E+20
Height	9466574.938089