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

18742421 (number)

18742421 is an odd 8-digits composite number following 18742420 and preceding 18742422. In scientific notation, it is written as 1.8742421 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18436000 positive integers (up to 18742421) that are relatively prime to 18742421.

Interesting facts

18742421 has 8 divisors, whose sum is 19051200
The reverse of 18742421 is 12424781
Previous prime number is 251

Basic properties

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

Name

Name	eighteen million seven hundred forty-two thousand four hundred twenty-one

Notation

Scientific notation	1.8742421 × 10^7
Engineering notation	1.8742421 × 10^6

Prime Factorization of 18742421

Prime Factorization 89 × 251 × 839

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18742421	Product of the distinct prime numbers

The prime factorization of 18742421 is 89 × 251 × 839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 14, 93, 160, 49, 2668, 5378, 85423, 84334, 257669, 722751, 5451310, 2711169, 25423704, 60126582, 44428344, 310658957, 9410486847, 5744937352

Basic calculations (n = 18742421)

Multiplication

n×y

n×2	37484842
n×3	56227263
n×4	74969684
n×5	93712105

Division

n÷y

n÷2	9371210.5
n÷3	6247473.6666667
n÷3	4685605.25
n÷5	3748484.2

Exponentiation

n^y

n²	351278344941241
n³	6.583806629072E+21
n⁴	1.2339647562466E+29
n⁵	2.3127486960736E+36

Nth Root

^y√n

²√n	4329.2517829297
³√n	265.62884240808
⁴√n	65.797049956132
⁵√n	28.481649510326

Divisors of 18742421

1, 89, 251, 839, 22339, 74671, 210589, 18742421

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	-18742420	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 18742421 can be divided by 8 positive divisors. The sum of these divisors (counting 18742421) is 1, the average is 0.125.

Base conversion 18742421

Base	System	Value
2	Binary	1000111011111110010010101
3	Ternary	1022021012202202
4	Quaternary	1013133302111
5	Quinary	14244224141
6	Senary	1505414245
8	Octal	107376225
10	Decimal	18742421
12	Duodecimal	633a385
16	Hexadecimal	11dfc95
20	Vigesimal	5h2g11
36	Base36	b5pqt

Cryptographic Hash Functions

md5	9dc0d064d9ae28b0a05a5a2ab52c2e0d
sha1	dd11996b30ed932c84bf5c07d28847122b1ab406
sha256	68462a628308905a114240400da1702f90d33f22d596282d8219b4fde6db8b2d
sha512	c91821ffe1f4e4fef1297f49cd0a5243c1c591fbda1619dce0a34d92eb7de971b1e3529dc10811b73e6f0c15e970cb8100033d1017319eb9b63790c49bbb70ff
ripemd-160	d62218bafe46289cece660836939568cb3d7eebf

18742421 as geometric shapes

Circle

Radius = n

Diameter	37484842
Circumference	117762104.24817
Area	1.1035734678326E+15

Sphere

Radius = n

Volume	2.7578184718064E+22
Surface area	4.4142938713303E+15
Circumference	117762104.24817

Square

Length = n

Perimeter	74969684
Area	351278344941241
Diagonal	26505785.969906

Cube

Length = n

Surface area	2107670069647446
Volume	6.583806629072E+21
Space diagonal	32462825.428846

Equilateral Triangle

Length = n

Perimeter	56227263
Area	1.5210798525923E+14
Altitude	16231412.714423

Triangular Pyramid

Length = n

Surface area	1.5210798525923E+14
Volume	7.7590905223962E+20
Height	8835261.9899688