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

20181242 (number)

20181242 is an even 8-digits composite number following 20181241 and preceding 20181243. In scientific notation, it is written as 2.0181242 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 10080252 positive integers (up to 20181242) that are relatively prime to 20181242.

Interesting facts

20181242 has 8 divisors, whose sum is 30302976
The reverse of 20181242 is 24218102
Previous prime number is 1087

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.0181242 × 10^7
Engineering notation	2.0181242 × 10^6

Prime Factorization of 20181242

Prime Factorization 2 × 1087 × 9283

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20181242	Product of the distinct prime numbers

The prime factorization of 20181242 is 2 × 1087 × 9283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 90, 23, 341, 248, 7249, 8273, 70568, 19753, 787776, 680114, 9709958, 2491965, 94295398, 51711452, 681318317, 100298114, 2204504165, 597942914

Basic calculations (n = 20181242)

Multiplication

n×y

n×2	40362484
n×3	60543726
n×4	80724968
n×5	100906210

Division

n÷y

n÷2	10090621
n÷3	6727080.6666667
n÷3	5045310.5
n÷5	4036248.4

Exponentiation

n^y

n²	407282528662564
n³	8.2194672733111E+21
n⁴	1.6587905815377E+29
n⁵	3.3476454153334E+36

Nth Root

^y√n

²√n	4492.353726055
³√n	272.25924137834
⁴√n	67.025023133565
⁵√n	28.906105142574

Divisors of 20181242

1, 2, 1087, 2174, 9283, 18566, 10090621, 20181242

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	-20181241	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 20181242 can be divided by 8 positive divisors. The sum of these divisors (counting 20181242) is 1, the average is 0.125.

Base conversion 20181242

Base	System	Value
2	Binary	1001100111111000011111010
3	Ternary	1101222022110102
4	Quaternary	1030333003322
5	Quinary	20131244432
6	Senary	2000315402
8	Octal	114770372
10	Decimal	20181242
12	Duodecimal	6912b62
16	Hexadecimal	133f0fa
20	Vigesimal	662d22
36	Base36	c0jy2

Cryptographic Hash Functions

md5	2519b645c9dd34ec50a5f848db47af3a
sha1	b23fb4c67753eb3aad1a5fbf8f78ae3ae26eceac
sha256	562c9093e234f59864daff25548849572c599b1957e14eee94b6d6fbb95f8029
sha512	7c182fdf02b4f5365f6da69ea3ca199cc3713e8a8c64c4a6e751648a9ca336edf38abf53cdc810b1c96907f96bfa755f7466c4ce9bdcf89d992be90014b3ed09
ripemd-160	71a83ef434c6f66e95234b2e08f9daa302bfdf44

20181242 as geometric shapes

Circle

Radius = n

Diameter	40362484
Circumference	126802483.21504
Area	1.2795157999818E+15

Sphere

Radius = n

Volume	3.4429624003008E+22
Surface area	5.1180631999271E+15
Circumference	126802483.21504

Square

Length = n

Perimeter	80724968
Area	407282528662564
Diagonal	28540586.141934

Cube

Length = n

Surface area	2443695171975384
Volume	8.2194672733111E+21
Space diagonal	34954936.503843

Equilateral Triangle

Length = n

Perimeter	60543726
Area	1.7635850816967E+14
Altitude	17477468.251921

Triangular Pyramid

Length = n

Surface area	1.7635850816967E+14
Volume	9.686735077832E+20
Height	9513528.7139778