18804989 (number)

18804989 is an odd 8-digits composite number following 18804988 and preceding 18804990. In scientific notation, it is written as 1.8804989 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 15724800 positive integers (up to 18804989) that are relatively prime to 18804989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8804989 × 10^7
Engineering notation 1.8804989 × 10^6

Prime Factorization of 18804989

Prime Factorization 7 × 241 × 157 × 71

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18804989
Product of the distinct prime numbers

The prime factorization of 18804989 is 7 × 241 × 157 × 71. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18804989)

Multiplication

n×y
n×2 37609978
n×3 56414967
n×4 75219956
n×5 94024945

Division

n÷y
n÷2 9402494.5
n÷3 6268329.6666667
n÷3 4701247.25
n÷5 3760997.8

Exponentiation

ny
n2 353627611290121
n3 6.649963340407E+21
n4 1.2505248746676E+29
n5 2.351610651235E+36

Nth Root

y√n
2√n 4336.4719530974
3√n 265.92409785295
4√n 65.851894073727
5√n 28.500640279999

Divisors of 18804989

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 -18804988
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 18804989 can be divided by 16 positive divisors. The sum of these divisors (counting 18804989) is 1, the average is 0.0625.

Base conversion 18804989

Base System Value
2 Binary 1000111101111000011111101
3 Ternary 1022101101121002
4 Quaternary 1013233003331
5 Quinary 14303224424
6 Senary 1511020045
8 Octal 107570375
10 Decimal 18804989
12 Duodecimal 636a625
16 Hexadecimal 11ef0fd
20 Vigesimal 5hac99
36 Base36 b720t

Cryptographic Hash Functions

md5 50e0875030c0c3a58f49e4454ca9edce
sha1 6322185a7bf5a4053779d1e537c820ed40125562
sha256 96f1f0cde6bbec949f1ec86632935fd3774be5ae359eecef1959419641435c36
sha512 614e1466a91ba68bd80ae6663b4f97b5ae4dda0eda1ef86cf9e5d40b8b207faac33825a6bf008bda08ed45cfedc5fa369f1056d8af0fa3ed6af8c35cd1e3c89c
ripemd-160 88cd579f11f0888759e0b825bce9ac807055abd7

18804989 as geometric shapes

Circle

Radius = n
Diameter 37609978
Circumference 118155230.58647
Area 1.1109539057356E+15

Sphere

Radius = n
Volume 2.7855301302485E+22
Surface area 4.4438156229422E+15
Circumference 118155230.58647

Square

Length = n
Perimeter 75219956
Area 353627611290121
Diagonal 26594270.484077

Cube

Length = n
Surface area 2121765667740726
Volume 6.649963340407E+21
Space diagonal 32571196.383774

Equilateral Triangle

Length = n
Perimeter 56414967
Area 1.5312524742843E+14
Altitude 16285598.191887

Triangular Pyramid

Length = n
Surface area 1.5312524742843E+14
Volume 7.8370569544062E+20
Height 8864756.8280256