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

18990018 (number)

18990018 is an even 8-digits composite number following 18990017 and preceding 18990019. In scientific notation, it is written as 1.8990018 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6329988 positive integers (up to 18990018) that are relatively prime to 18990018.

Interesting facts

18990018 has 8 divisors, whose sum is 29540112
The reverse of 18990018 is 81009981
Previous prime number is 27

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	eighteen million nine hundred ninety thousand eighteen

Notation

Scientific notation	1.8990018 × 10^7
Engineering notation	1.8990018 × 10^6

Prime Factorization of 18990018

Prime Factorization 2 × 27 × 351667

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18990018	Product of the distinct prime numbers

The prime factorization of 18990018 is 2 × 27 × 351667. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 3, 53, 18, 112, 966, 4888, 290, 56502, 95166, 450211, 681410, 3591619, 2705225, 27299428, 35903527, 786623718, 829458025, 3269461781, 2313938632

Basic calculations (n = 18990018)

Multiplication

n×y

n×2	37980036
n×3	56970054
n×4	75960072
n×5	94950090

Division

n÷y

n÷2	9495009
n÷3	6330006
n÷3	4747504.5
n÷5	3798003.6

Exponentiation

n^y

n²	360620783640324
n³	6.8481951725039E+21
n⁴	1.3004734959336E+29
n⁵	2.4696015096302E+36

Nth Root

^y√n

²√n	4357.7537791849
³√n	266.79342688765
⁴√n	66.013284868918
⁵√n	28.556506430611

Divisors of 18990018

1, 2, 27, 54, 351667, 703334, 9495009, 18990018

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	-18990017	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 18990018 can be divided by 8 positive divisors. The sum of these divisors (counting 18990018) is 1, the average is 0.125.

Base conversion 18990018

Base	System	Value
2	Binary	1001000011100001111000010
3	Ternary	1022201210102000
4	Quaternary	1020130033002
5	Quinary	14330140033
6	Senary	1515004430
8	Octal	110341702
10	Decimal	18990018
12	Duodecimal	6439716
16	Hexadecimal	121c3c2
20	Vigesimal	5idf0i
36	Base36	bb0si

Cryptographic Hash Functions

md5	c3f191a884a97ee9daab7cf8c040c309
sha1	00eea0e2aafd2db13f91f6fbe1a3aa56d6e3b513
sha256	7b3c04d913096ca1080c33cd59fffbb5c7064f0e3278b4df7d5ecc0e310b84db
sha512	c0fe1ecebe1e39df5de694210ec8da99b1506e86e7b544292feb80f217544cdbf810b52d4d9f62f1258a8df5e1b3bf67ef97245a4c7e3944988982472172c276
ripemd-160	9989ebeeb042749b4bb5cfafab1102dcb29a2e2b

18990018 as geometric shapes

Circle

Radius = n

Diameter	37980036
Circumference	119317802.08068
Area	1.1329236046162E+15

Sphere

Radius = n

Volume	2.868565285905E+22
Surface area	4.5316944184649E+15
Circumference	119317802.08068

Square

Length = n

Perimeter	75960072
Area	360620783640324
Diagonal	26855941.005309

Cube

Length = n

Surface area	2163724701841944
Volume	6.8481951725039E+21
Space diagonal	32891676.012648

Equilateral Triangle

Length = n

Perimeter	56970054
Area	1.5615337988259E+14
Altitude	16445838.006324

Triangular Pyramid

Length = n

Surface area	1.5615337988259E+14
Volume	8.0706754089441E+20
Height	8951980.3351031