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

18972642 (number)

18972642 is an even 8-digits composite number following 18972641 and preceding 18972643. In scientific notation, it is written as 1.8972642 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 5837712 positive integers (up to 18972642) that are relatively prime to 18972642.

Interesting facts

18972642 has 16 divisors, whose sum is 40864320
The reverse of 18972642 is 24627981
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	eighteen million nine hundred seventy-two thousand six hundred forty-two

Notation

Scientific notation	1.8972642 × 10^7
Engineering notation	1.8972642 × 10^6

Prime Factorization of 18972642

Prime Factorization 2 × 3 × 13 × 243239

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	18972642	Product of the distinct prime numbers

The prime factorization of 18972642 is 2 × 3 × 13 × 243239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 34, 96, 194, 98, 5828, 189, 99287, 71571, 244362, 964046, 2343021, 9025699, 14828365, 55646120, 344391940, 132209485, 3802315078, 4186169198

Basic calculations (n = 18972642)

Multiplication

n×y

n×2	37945284
n×3	56917926
n×4	75890568
n×5	94863210

Division

n÷y

n÷2	9486321
n÷3	6324214
n÷3	4743160.5
n÷5	3794528.4

Exponentiation

n^y

n²	359961144460164
n³	6.829413927753E+21
n⁴	1.2957202552107E+29
n⁵	2.4583236534261E+36

Nth Root

^y√n

²√n	4355.7596352416
³√n	266.71202943566
⁴√n	65.99817902974
⁵√n	28.551278636037

Divisors of 18972642

1, 2, 3, 6, 13, 26, 39, 78, 243239, 486478, 729717, 1459434, 3162107, 6324214, 9486321, 18972642

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18972641	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18972642 can be divided by 16 positive divisors. The sum of these divisors (counting 18972642) is 1, the average is 0.0625.

Base conversion 18972642

Base	System	Value
2	Binary	1001000010111111111100010
3	Ternary	1022200220120110
4	Quaternary	1020113333202
5	Quinary	14324111032
6	Senary	1514352150
8	Octal	110277742
10	Decimal	18972642
12	Duodecimal	642b656
16	Hexadecimal	1217fe2
20	Vigesimal	5ibbc2
36	Base36	bandu

Cryptographic Hash Functions

md5	ae5d271b4c99a031b7d1b0c2d31e0bc3
sha1	4b87c4cf906899439479e321037698634d19fe34
sha256	f581a2bf0e1c669aa3dc789e21841390460be485a8d64197d3eb360011c01732
sha512	2ead8ca89950929a0d87a3dd78bb1b34294ec3d5fba495246105a9d5022eb8087992ac44bd83256100e729964b09d00f2947644bb5d7543f33f1b6565f222311
ripemd-160	5044a1f1d5ef5b1ccc309142291442b903cde992

18972642 as geometric shapes

Circle

Radius = n

Diameter	37945284
Circumference	119208625.45278
Area	1.1308512870138E+15

Sphere

Radius = n

Volume	2.8606982165003E+22
Surface area	4.5234051480553E+15
Circumference	119208625.45278

Square

Length = n

Perimeter	75890568
Area	359961144460164
Diagonal	26831367.630449

Cube

Length = n

Surface area	2159766866760984
Volume	6.829413927753E+21
Space diagonal	32861579.897815

Equilateral Triangle

Length = n

Perimeter	56917926
Area	1.5586774773891E+14
Altitude	16430789.948908

Triangular Pyramid

Length = n

Surface area	1.5586774773891E+14
Volume	8.04854149974E+20
Height	8943789.2101498