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

18993871 (number)

18993871 is an odd 8-digits composite number following 18993870 and preceding 18993872. In scientific notation, it is written as 1.8993871 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 17478912 positive integers (up to 18993871) that are relatively prime to 18993871.

Interesting facts

18993871 has 8 divisors, whose sum is 20517840
The reverse of 18993871 is 17839981
Previous prime number is 353

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	eighteen million nine hundred ninety-three thousand eight hundred seventy-one

Notation

Scientific notation	1.8993871 × 10^7
Engineering notation	1.8993871 × 10^6

Prime Factorization of 18993871

Prime Factorization 13 × 353 × 4139

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18993871	Product of the distinct prime numbers

The prime factorization of 18993871 is 13 × 353 × 4139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 40, 59, 2, 117, 7707, 747, 80617, 98537, 778146, 150547, 7575754, 3434090, 7444537, 80546605, 391464191, 705223922, 8144201543, 8269628769

Basic calculations (n = 18993871)

Multiplication

n×y

n×2	37987742
n×3	56981613
n×4	75975484
n×5	94969355

Division

n÷y

n÷2	9496935.5
n÷3	6331290.3333333
n÷3	4748467.75
n÷5	3798774.2

Exponentiation

n^y

n²	360767135564641
n³	6.8523644339543E+21
n⁴	1.3015292610352E+29
n⁵	2.4721078886827E+36

Nth Root

^y√n

²√n	4358.1958423182
³√n	266.81146944663
⁴√n	66.016633073175
⁵√n	28.557665137155

Divisors of 18993871

1, 13, 353, 4139, 4589, 53807, 1461067, 18993871

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	-18993870	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 18993871 can be divided by 8 positive divisors. The sum of these divisors (counting 18993871) is 1, the average is 0.125.

Base conversion 18993871

Base	System	Value
2	Binary	1001000011101001011001111
3	Ternary	1022201222200201
4	Quaternary	1020131023033
5	Quinary	14330300441
6	Senary	1515034331
8	Octal	110351317
10	Decimal	18993871
12	Duodecimal	643b9a7
16	Hexadecimal	121d2cf
20	Vigesimal	5ie4db
36	Base36	bb3rj

Cryptographic Hash Functions

md5	fb9f455c9ba70d349d0ebfb5ca96cce0
sha1	6407c12606ee8caf880faf79997bed6150278656
sha256	2dc49436ebee3e5bc6cec80742ce41411044722abf8d4107f96601d63a5d44cf
sha512	d753eec27a46a92fab4b6e872bd739677b1943e33e47bd65ff2b445d455705818f5888af9920e5621d6637d5c83097ad5169db49ded86f2cec8fd751f5ce5026
ripemd-160	2ed4865a6706208c8db807002ac438938f0f5c07

18993871 as geometric shapes

Circle

Radius = n

Diameter	37987742
Circumference	119342011.19366
Area	1.1333833827465E+15

Sphere

Radius = n

Volume	2.8703117020574E+22
Surface area	4.533533530986E+15
Circumference	119342011.19366

Square

Length = n

Perimeter	75975484
Area	360767135564641
Diagonal	26861389.970165

Cube

Length = n

Surface area	2164602813387846
Volume	6.8523644339543E+21
Space diagonal	32898349.604409

Equilateral Triangle

Length = n

Perimeter	56981613
Area	1.5621675212476E+14
Altitude	16449174.802205

Triangular Pyramid

Length = n

Surface area	1.5621675212476E+14
Volume	8.0755889306843E+20
Height	8953796.6567217