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

20155809 (number)

20155809 is an odd 8-digits composite number following 20155808 and preceding 20155810. In scientific notation, it is written as 2.0155809 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13151216 positive integers (up to 20155809) that are relatively prime to 20155809.

Interesting facts

20155809 has 8 divisors, whose sum is 27446400
The reverse of 20155809 is 90855102
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million one hundred fifty-five thousand eight hundred nine

Notation

Scientific notation	2.0155809 × 10^7
Engineering notation	2.0155809 × 10^6

Prime Factorization of 20155809

Prime Factorization 3 × 47 × 142949

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20155809	Product of the distinct prime numbers

The prime factorization of 20155809 is 3 × 47 × 142949. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 15, 83, 676, 910, 3, 8063, 42224, 60474, 594712, 560416, 4254108, 7483358, 79004804, 52764322, 953373879, 239792659, 4310286189, 4659186941

Basic calculations (n = 20155809)

Multiplication

n×y

n×2	40311618
n×3	60467427
n×4	80623236
n×5	100779045

Division

n÷y

n÷2	10077904.5
n÷3	6718603
n÷3	5038952.25
n÷5	4031161.8

Exponentiation

n^y

n²	406256636444481
n³	8.1884311691574E+21
n⁴	1.6504445465518E+29
n⁵	3.326604504539E+36

Nth Root

^y√n

²√n	4489.5221349271
³√n	272.14482357576
⁴√n	67.003896416007
⁵√n	28.898815800865

Divisors of 20155809

1, 3, 47, 141, 142949, 428847, 6718603, 20155809

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	-20155808	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 20155809 can be divided by 8 positive divisors. The sum of these divisors (counting 20155809) is 1, the average is 0.125.

Base conversion 20155809

Base	System	Value
2	Binary	1001100111000110110100001
3	Ternary	1101221000120110
4	Quaternary	1030320312201
5	Quinary	20124441214
6	Senary	2000001533
8	Octal	114706641
10	Decimal	20155809
12	Duodecimal	69002a9
16	Hexadecimal	1338da1
20	Vigesimal	65j9a9
36	Base36	c00bl

Cryptographic Hash Functions

md5	18e7b473d4d09f1ccca3e0275f8bc00d
sha1	00f8b80f364f3c4b98dbb8dcfd7a95dee6279e32
sha256	89897ca19a52f6c47d02257a95c1199cd9b2f889d947fd603a98573387e38855
sha512	d05396fc16a282a9ccd7267bf36a64c938cb7831762fc9839f57ba720e81186349389805c9cbf3bce713e3ef81d7a63a528e8fbebacb6101c9f13d96bdb4556b
ripemd-160	10e37f0c38ee50f033633a7c3f16e9c942332e22

20155809 as geometric shapes

Circle

Radius = n

Diameter	40311618
Circumference	126642682.96312
Area	1.2762928645261E+15

Sphere

Radius = n

Volume	3.4299620273934E+22
Surface area	5.1051714581043E+15
Circumference	126642682.96312

Square

Length = n

Perimeter	80623236
Area	406256636444481
Diagonal	28504618.448402

Cube

Length = n

Surface area	2437539818666886
Volume	8.1884311691574E+21
Space diagonal	34910885.255654

Equilateral Triangle

Length = n

Perimeter	60467427
Area	1.7591428380847E+14
Altitude	17455442.627827

Triangular Pyramid

Length = n

Surface area	1.7591428380847E+14
Volume	9.6501586783175E+20
Height	9501539.4828006