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

18909855 (number)

18909855 is an odd 8-digits composite number following 18909854 and preceding 18909856. In scientific notation, it is written as 1.8909855 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 10085040 positive integers (up to 18909855) that are relatively prime to 18909855.

Interesting facts

18909855 has 12 divisors, whose sum is 27921816
The reverse of 18909855 is 55890981
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	eighteen million nine hundred nine thousand eight hundred fifty-five

Notation

Scientific notation	1.8909855 × 10^7
Engineering notation	1.8909855 × 10^6

Prime Factorization of 18909855

Prime Factorization 45 × 3 × 3 × 46691

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	6303285	Product of the distinct prime numbers

The prime factorization of 18909855 is 45 × 3 × 3 × 46691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 11, 53, 232, 755, 5500, 2526, 20732, 69760, 572802, 558701, 6914644, 5361039, 17408460, 9140737, 196261033, 163361018, 130180355, 7448937428

Basic calculations (n = 18909855)

Multiplication

n×y

n×2	37819710
n×3	56729565
n×4	75639420
n×5	94549275

Division

n÷y

n÷2	9454927.5
n÷3	6303285
n÷3	4727463.75
n÷5	3781971

Exponentiation

n^y

n²	357582616121025
n³	6.7618354213692E+21
n⁴	1.2786532735196E+29
n⁵	2.417914799753E+36

Nth Root

^y√n

²√n	4348.5463088255
³√n	266.41749032962
⁴√n	65.943508466152
⁵√n	28.532356370476

Divisors of 18909855

1, 3, 9, 45, 135, 405, 46691, 140073, 420219, 2101095, 6303285, 18909855

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18909854	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18909855 can be divided by 12 positive divisors. The sum of these divisors (counting 18909855) is 1, the average is 0.083333333333333.

Base conversion 18909855

Base	System	Value
2	Binary	1001000001000101010011111
3	Ternary	1022120201110000
4	Quaternary	1020020222133
5	Quinary	14320103410
6	Senary	1513145343
8	Octal	110105237
10	Decimal	18909855
12	Duodecimal	63bb253
16	Hexadecimal	1208a9f
20	Vigesimal	5i3ecf
36	Base36	b9axr

Cryptographic Hash Functions

md5	35880a29bf062f7af25f0dc4e08b8983
sha1	a2d16843ba7b236ba3fe5bce556963f120e93c42
sha256	0bf7a6b123fd5d1c59da01b715cee5ff4bfc89080b2957111e0e9bc22f6b391b
sha512	70826009db576269bff2daab9c5f4b7a6cae728fc0ea522012f19bd9c693398923c4045f0d7c4be3beaf378698e3519628f53b9e2432985993396f9ec4ec0faf
ripemd-160	4141304c732a1433bd2ce3ff3749461e97946825

18909855 as geometric shapes

Circle

Radius = n

Diameter	37819710
Circumference	118814123.0969
Area	1.1233789198572E+15

Sphere

Radius = n

Volume	2.8323909979409E+22
Surface area	4.4935156794289E+15
Circumference	118814123.0969

Square

Length = n

Perimeter	75639420
Area	357582616121025
Diagonal	26742573.403509

Cube

Length = n

Surface area	2145495696726150
Volume	6.7618354213692E+21
Space diagonal	32752829.62376

Equilateral Triangle

Length = n

Perimeter	56729565
Area	1.5483781475625E+14
Altitude	16376414.81188

Triangular Pyramid

Length = n

Surface area	1.5483781475625E+14
Volume	7.968899466196E+20
Height	8914191.1345029