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

18998421 (number)

18998421 is an odd 8-digits composite number following 18998420 and preceding 18998422. In scientific notation, it is written as 1.8998421 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11617344 positive integers (up to 18998421) that are relatively prime to 18998421.

Interesting facts

18998421 has 8 divisors, whose sum is 19608960
The reverse of 18998421 is 12489981
Previous prime number is 167

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighteen million nine hundred ninety-eight thousand four hundred twenty-one

Notation

Scientific notation	1.8998421 × 10^7
Engineering notation	1.8998421 × 10^6

Prime Factorization of 18998421

Prime Factorization 39 × 167 × 2917

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18998421	Product of the distinct prime numbers

The prime factorization of 18998421 is 39 × 167 × 2917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 49, 2, 497, 246, 1965, 9441, 34105, 88893, 985188, 767690, 7165019, 3551156, 26604863, 69575887, 360601433, 715506496, 3647901402, 259318516

Basic calculations (n = 18998421)

Multiplication

n×y

n×2	37996842
n×3	56995263
n×4	75993684
n×5	94992105

Division

n÷y

n÷2	9499210.5
n÷3	6332807
n÷3	4749605.25
n÷5	3799684.2

Exponentiation

n^y

n²	360940000493241
n³	6.8572900851108E+21
n⁴	1.3027768395606E+29
n⁵	2.4750702867022E+36

Nth Root

^y√n

²√n	4358.7178160555
³√n	266.83277272671
⁴√n	66.020586304997
⁵√n	28.559033209283

Divisors of 18998421

1, 39, 167, 2917, 6513, 113763, 487139, 18998421

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	-18998420	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 18998421 can be divided by 8 positive divisors. The sum of these divisors (counting 18998421) is 1, the average is 0.125.

Base conversion 18998421

Base	System	Value
2	Binary	1001000011110010010010101
3	Ternary	1022202012221020
4	Quaternary	1020132102111
5	Quinary	14330422141
6	Senary	1515111353
8	Octal	110362225
10	Decimal	18998421
12	Duodecimal	6442559
16	Hexadecimal	121e495
20	Vigesimal	5ieg11
36	Base36	bb79x

Cryptographic Hash Functions

md5	fd3ca0828423de3115bb961f4ab7b74b
sha1	9ca9eca8f15a7f69c27f88ad7e5510a68c7b1c06
sha256	9b50717f7a931fc16a806b8b0f206e873032fbf2f30e99a92681be5c5e0709f7
sha512	0a7eca595c9dec0e1adfeb461ec84abda1d52d75bbb15e2ac41306df878b6ca34639f7ee4b3bb1134259d2df2c19cb1bd1aedbfa8ad46d7fbe5ad1f0ab1fee9d
ripemd-160	f65210e2a16ebb1b6069e7815a8fdc5ef6f91c3d

18998421 as geometric shapes

Circle

Radius = n

Diameter	37996842
Circumference	119370599.68681
Area	1.1339264539363E+15

Sphere

Radius = n

Volume	2.8723749539891E+22
Surface area	4.535705815745E+15
Circumference	119370599.68681

Square

Length = n

Perimeter	75993684
Area	360940000493241
Diagonal	26867824.641874

Cube

Length = n

Surface area	2165640002959446
Volume	6.8572900851108E+21
Space diagonal	32906230.435584

Equilateral Triangle

Length = n

Perimeter	56995263
Area	1.5629160483456E+14
Altitude	16453115.217792

Triangular Pyramid

Length = n

Surface area	1.5629160483456E+14
Volume	8.0813938662419E+20
Height	8955941.5472913