18789939 (number)

18789939 is an odd 8-digits composite number following 18789938 and preceding 18789940. In scientific notation, it is written as 1.8789939 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 10627200 positive integers (up to 18789939) that are relatively prime to 18789939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8789939 × 10^7
Engineering notation 1.8789939 × 10^6

Prime Factorization of 18789939

Prime Factorization 3 × 21 × 101 × 2953

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18789939
Product of the distinct prime numbers

The prime factorization of 18789939 is 3 × 21 × 101 × 2953. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 48, 89, 389, 456, 5622, 5161, 12149, 45247, 289468, 930030, 5248462, 6562093, 6086493, 56035404, 190913911, 354659707, 5585742950, 2592760813

Basic calculations (n = 18789939)

Multiplication

n×y
n×2 37579878
n×3 56369817
n×4 75159756
n×5 93949695

Division

n÷y
n÷2 9394969.5
n÷3 6263313
n÷3 4697484.75
n÷5 3757987.8

Exponentiation

ny
n2 353061807623721
n3 6.6340098284795E+21
n4 1.2465264000253E+29
n5 2.3422155018365E+36

Nth Root

y√n
2√n 4334.7363241609
3√n 265.85313750273
4√n 65.838714478344
5√n 28.496076895079

Divisors of 18789939

1, 3, 21, 63, 101, 303, 2121, 2953, 6363, 8859, 62013, 186039, 298253, 894759, 6263313, 18789939

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 -18789938
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 18789939 can be divided by 16 positive divisors. The sum of these divisors (counting 18789939) is 1, the average is 0.0625.

Base conversion 18789939

Base System Value
2 Binary 1000111101011011000110011
3 Ternary 1022100121221200
4 Quaternary 1013223120303
5 Quinary 14302234224
6 Senary 1510422243
8 Octal 107533063
10 Decimal 18789939
12 Duodecimal 6361983
16 Hexadecimal 11eb633
20 Vigesimal 5h8egj
36 Base36 b6qer

Cryptographic Hash Functions

md5 b7a9991a5939b9656990b156499e2b1f
sha1 212c10f7d0f1e3914177e75b4ef1856790464f01
sha256 96154dc192695889ea95f4f283146a9973833e76b9f155148d41af3b68272314
sha512 a1afa653bafa7f08853988498e9c068f5b27098376cb6439f45f35b40d18ccdcb845d63cdcd0bf5ea8a1d7d5e07587bd074a41b45672193f803ba5176abfe8e3
ripemd-160 49c45b7467bcc3233d331756c12a6774005bbaa1

18789939 as geometric shapes

Circle

Radius = n
Diameter 37579878
Circumference 118060668.6476
Area 1.1091763810938E+15

Sphere

Radius = n
Volume 2.7788475387991E+22
Surface area 4.4367055243753E+15
Circumference 118060668.6476

Square

Length = n
Perimeter 75159756
Area 353061807623721
Diagonal 26572986.569963

Cube

Length = n
Surface area 2118370845742326
Volume 6.6340098284795E+21
Space diagonal 32545129.01912

Equilateral Triangle

Length = n
Perimeter 56369817
Area 1.528802472541E+14
Altitude 16272564.50956

Triangular Pyramid

Length = n
Surface area 1.528802472541E+14
Volume 7.8182555602934E+20
Height 8857662.1899877