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

20138645 (number)

20138645 is an odd 8-digits composite number following 20138644 and preceding 20138646. In scientific notation, it is written as 2.0138645 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 16093440 positive integers (up to 20138645) that are relatively prime to 20138645.

Interesting facts

20138645 has 8 divisors, whose sum is 24192600
The reverse of 20138645 is 54683102
Previous prime number is 1321

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million one hundred thirty-eight thousand six hundred forty-five

Notation

Scientific notation	2.0138645 × 10^7
Engineering notation	2.0138645 × 10^6

Prime Factorization of 20138645

Prime Factorization 5 × 1321 × 3049

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20138645	Product of the distinct prime numbers

The prime factorization of 20138645 is 5 × 1321 × 3049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 37, 7, 668, 93, 2148, 4912, 76308, 69860, 486563, 453980, 289178, 3280225, 35426840, 14239197, 240022694, 656521356, 1289384530, 5267118829

Basic calculations (n = 20138645)

Multiplication

n×y

n×2	40277290
n×3	60415935
n×4	80554580
n×5	100693225

Division

n÷y

n÷2	10069322.5
n÷3	6712881.6666667
n÷3	5034661.25
n÷5	4027729

Exponentiation

n^y

n²	405565022436025
n³	8.1675300112561E+21
n⁴	1.6448298742353E+29
n⁵	3.312464492262E+36

Nth Root

^y√n

²√n	4487.6101657787
³√n	272.06755188542
⁴√n	66.989627299894
⁵√n	28.893892274173

Divisors of 20138645

1, 5, 1321, 3049, 6605, 15245, 4027729, 20138645

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	-20138644	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 20138645 can be divided by 8 positive divisors. The sum of these divisors (counting 20138645) is 1, the average is 0.125.

Base conversion 20138645

Base	System	Value
2	Binary	1001100110100101010010101
3	Ternary	1101220011000202
4	Quaternary	1030310222111
5	Quinary	20123414040
6	Senary	1555350245
8	Octal	114645225
10	Decimal	20138645
12	Duodecimal	68b2385
16	Hexadecimal	1334a95
20	Vigesimal	65h6c5
36	Base36	bzn2t

Cryptographic Hash Functions

md5	6f04bc0362e73bb69a7b7bb33df28402
sha1	58733809b88446e0f226a86104f43f9d967dc39e
sha256	d955e46dab2b8a24232327d85904956ed7c79173db024df4fa5c7216db31f5ad
sha512	b10d317f7874a17c34abf559e3f820bbff38dcfb69883e5a6342e23777107230d0e98f091d5820f29fd6e487a29890b236f26eb39b6dc019898c76bdb68d8d40
ripemd-160	a72a1311a83d0a65a71ec4abb5d513c5fcdaff5d

20138645 as geometric shapes

Circle

Radius = n

Diameter	40277290
Circumference	126534838.37051
Area	1.274120095038E+15

Sphere

Radius = n

Volume	3.4212069708449E+22
Surface area	5.096480380152E+15
Circumference	126534838.37051

Square

Length = n

Perimeter	80554580
Area	405565022436025
Diagonal	28480344.886817

Cube

Length = n

Surface area	2433390134616150
Volume	8.1675300112561E+21
Space diagonal	34881156.335593

Equilateral Triangle

Length = n

Perimeter	60415935
Area	1.75614806158E+14
Altitude	17440578.167796

Triangular Pyramid

Length = n

Surface area	1.75614806158E+14
Volume	9.6255264275064E+20
Height	9493448.2956057