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

18909969 (number)

18909969 is an odd 8-digits composite number following 18909968 and preceding 18909970. In scientific notation, it is written as 1.8909969 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 11260800 positive integers (up to 18909969) that are relatively prime to 18909969.

Interesting facts

18909969 has 8 divisors, whose sum is 20021760
The reverse of 18909969 is 96990981
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

Name	eighteen million nine hundred nine thousand nine hundred sixty-nine

Notation

Scientific notation	1.8909969 × 10^7
Engineering notation	1.8909969 × 10^6

Prime Factorization of 18909969

Prime Factorization 39 × 31 × 15641

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18909969	Product of the distinct prime numbers

The prime factorization of 18909969 is 39 × 31 × 15641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 61, 76, 567, 289, 9011, 9155, 67981, 81294, 992204, 923307, 4897800, 5432172, 51700571, 12440441, 614977112, 978297813, 8220883526, 9488251953

Basic calculations (n = 18909969)

Multiplication

n×y

n×2	37819938
n×3	56729907
n×4	75639876
n×5	94549845

Division

n÷y

n÷2	9454984.5
n÷3	6303323
n÷3	4727492.25
n÷5	3781993.8

Exponentiation

n^y

n²	357586927580961
n³	6.7619577153612E+21
n⁴	1.2786841077679E+29
n⁵	2.4179876838684E+36

Nth Root

^y√n

²√n	4348.5594166344
³√n	266.4180257036
⁴√n	65.943607852728
⁵√n	28.53239077244

Divisors of 18909969

1, 31, 39, 1209, 15641, 484871, 609999, 18909969

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	-18909968	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 18909969 can be divided by 8 positive divisors. The sum of these divisors (counting 18909969) is 1, the average is 0.125.

Base conversion 18909969

Base	System	Value
2	Binary	1001000001000101100010001
3	Ternary	1022120201121020
4	Quaternary	1020020230101
5	Quinary	14320104334
6	Senary	1513150053
8	Octal	110105421
10	Decimal	18909969
12	Duodecimal	63bb329
16	Hexadecimal	1208b11
20	Vigesimal	5i3ei9
36	Base36	b9b0x

Cryptographic Hash Functions

md5	9c6d2f16f17a7756014350bc5e8d20b6
sha1	9f7732e11943d49c92e0117c5669383cfa7c2e65
sha256	4aa7c9ab2d130332c9ab79cf65b86a2aecb6578d95f8b20aa9ad0e39bbca839f
sha512	ed9fa526f8c42dcdb044cd6a0acde6eafeb2df1d8afcaaead53c01c1955ea46c1c7c5658c742071f0a4521e174c770c4abd49e4ed4743da61b103f06d90a12c9
ripemd-160	2e8f097eb11250a22072c873401acc6ad7de5f1d

18909969 as geometric shapes

Circle

Radius = n

Diameter	37819938
Circumference	118814839.38002
Area	1.1233924647081E+15

Sphere

Radius = n

Volume	2.8324422243285E+22
Surface area	4.4935698588324E+15
Circumference	118814839.38002

Square

Length = n

Perimeter	75639876
Area	357586927580961
Diagonal	26742734.623855

Cube

Length = n

Surface area	2145521565485766
Volume	6.7619577153612E+21
Space diagonal	32753027.077552

Equilateral Triangle

Length = n

Perimeter	56729907
Area	1.5483968167317E+14
Altitude	16376513.538776

Triangular Pyramid

Length = n

Surface area	1.5483968167317E+14
Volume	7.9690435910477E+20
Height	8914244.8746183