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

20181243 (number)

20181243 is an odd 8-digits composite number following 20181242 and preceding 20181244. In scientific notation, it is written as 2.0181243 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13090464 positive integers (up to 20181243) that are relatively prime to 20181243.

Interesting facts

20181243 has 8 divisors, whose sum is 27635728
The reverse of 20181243 is 34218102
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty million one hundred eighty-one thousand two hundred forty-three

Notation

Scientific notation	2.0181243 × 10^7
Engineering notation	2.0181243 × 10^6

Prime Factorization of 20181243

Prime Factorization 3 × 37 × 181813

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20181243	Product of the distinct prime numbers

The prime factorization of 20181243 is 3 × 37 × 181813. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 96, 24, 990, 781, 6720, 7146, 90574, 14013, 483263, 17214, 8989297, 7827078, 18983269, 73049594, 153511919, 424930306, 1800873212, 6672105164

Basic calculations (n = 20181243)

Multiplication

n×y

n×2	40362486
n×3	60543729
n×4	80724972
n×5	100906215

Division

n÷y

n÷2	10090621.5
n÷3	6727081
n÷3	5045310.75
n÷5	4036248.6

Exponentiation

n^y

n²	407282569025049
n³	8.2194684951588E+21
n⁴	1.6587909103164E+29
n⁵	3.3476462447287E+36

Nth Root

^y√n

²√n	4492.3538373552
³√n	272.25924587525
⁴√n	67.025023963854
⁵√n	28.906105429039

Divisors of 20181243

1, 3, 37, 111, 181813, 545439, 6727081, 20181243

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	-20181242	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 20181243 can be divided by 8 positive divisors. The sum of these divisors (counting 20181243) is 1, the average is 0.125.

Base conversion 20181243

Base	System	Value
2	Binary	1001100111111000011111011
3	Ternary	1101222022110110
4	Quaternary	1030333003323
5	Quinary	20131244433
6	Senary	2000315403
8	Octal	114770373
10	Decimal	20181243
12	Duodecimal	6912b63
16	Hexadecimal	133f0fb
20	Vigesimal	662d23
36	Base36	c0jy3

Cryptographic Hash Functions

md5	c487d536dabc0d00581969ab6e9221d1
sha1	679847a09c21003c52f1083bbc3dce98736db310
sha256	20b71159f5d75467f7be0a2d47f5fa99d17b7f122449b88ca06972a256dfd905
sha512	d3ecd7de718586e9ffa95252b5bd44f90e9356b0516547dbb7bf70111b46a63333b236945d090f4e9d12b7ffbb5102357b05b5719065b6cc194b6d275e9f47e1
ripemd-160	4afe11fd7a6d8535430f39c7e2233bd2141b832d

20181243 as geometric shapes

Circle

Radius = n

Diameter	40362486
Circumference	126802489.49822
Area	1.2795159267843E+15

Sphere

Radius = n

Volume	3.4429629121071E+22
Surface area	5.1180637071371E+15
Circumference	126802489.49822

Square

Length = n

Perimeter	80724972
Area	407282569025049
Diagonal	28540587.556147

Cube

Length = n

Surface area	2443695414150294
Volume	8.2194684951588E+21
Space diagonal	34954938.235894

Equilateral Triangle

Length = n

Perimeter	60543729
Area	1.7635852564714E+14
Altitude	17477469.117947

Triangular Pyramid

Length = n

Surface area	1.7635852564714E+14
Volume	9.6867365177933E+20
Height	9513529.1853824