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

18989909 (number)

18989909 is an odd 8-digits prime number following 18989908 and preceding 18989910. In scientific notation, it is written as 1.8989909 × 10^7. The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors. There are 18989908 positive integers (up to 18989909) that are relatively prime to 18989909.

Interesting facts

18989909 has 2 divisors, whose sum is 18989910
The reverse of 18989909 is 90998981
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8

Name

Name	eighteen million nine hundred eighty-nine thousand nine hundred nine

Notation

Scientific notation	1.8989909 × 10^7
Engineering notation	1.8989909 × 10^6

Prime Factorization of 18989909

Prime Factorization 18989909

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	18989909	Product of the distinct prime numbers

The prime factorization of 18989909 is 18989909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 10, 78, 11, 352, 272, 691, 1301, 1213, 5082, 492914, 106031, 2841412, 9527608, 6686471, 95102216, 395302060, 840785441, 1691209447, 6417535276

Basic calculations (n = 18989909)

Multiplication

n×y

n×2	37979818
n×3	56969727
n×4	75959636
n×5	94949545

Division

n÷y

n÷2	9494954.5
n÷3	6329969.6666667
n÷3	4747477.25
n÷5	3797981.8

Exponentiation

n^y

n²	360616643828281
n³	6.8480772501845E+21
n⁴	1.3004436380597E+29
n⁵	2.4695306346383E+36

Nth Root

^y√n

²√n	4357.7412727237
³√n	266.79291643458
⁴√n	66.013190141999
⁵√n	28.55647364848

Divisors of 18989909

1, 18989909

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	18989910	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9494955	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4357.7413874621	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998946809	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18989909 can be divided by 2 positive divisors. The sum of these divisors (counting 18989909) is 18989910, the average is 9494955.

Base conversion 18989909

Base	System	Value
2	Binary	1001000011100001101010101
3	Ternary	1022201210020222
4	Quaternary	1020130031111
5	Quinary	14330134114
6	Senary	1515004125
8	Octal	110341525
10	Decimal	18989909
12	Duodecimal	6439645
16	Hexadecimal	121c355
20	Vigesimal	5idef9
36	Base36	bb0ph

Cryptographic Hash Functions

md5	cf58cea74b58d92eabf04b009faf2eff
sha1	08b98e2de39f5668e87f4a5d129152fbf70b99bd
sha256	18854182a098a0da91573b0564e238da158e996bbc440fa7a28ad700c764d3db
sha512	f0e69f6b426efe85c45d58fde5fbc61a84d1b8a91f855492462607f46eb03766899983f44b604af5b5addf7b00e6ff5046e8ebea856c8c04cc9b7e2f51e9fb95
ripemd-160	0a83ef3f8aa24903da7c873ac0c59cca023be972

18989909 as geometric shapes

Circle

Radius = n

Diameter	37979818
Circumference	119317117.21348
Area	1.1329105990131E+15

Sphere

Radius = n

Volume	2.8685158907193E+22
Surface area	4.5316423960525E+15
Circumference	119317117.21348

Square

Length = n

Perimeter	75959636
Area	360616643828281
Diagonal	26855786.856031

Cube

Length = n

Surface area	2163699862969686
Volume	6.8480772501845E+21
Space diagonal	32891487.219109

Equilateral Triangle

Length = n

Perimeter	56969727
Area	1.5615158729139E+14
Altitude	16445743.609555

Triangular Pyramid

Length = n

Surface area	1.5615158729139E+14
Volume	8.0705364361579E+20
Height	8951928.9520103