18789920 (number)

18789920 is an even 8-digits composite number following 18789919 and preceding 18789921. In scientific notation, it is written as 1.8789920 × 10^7. The sum of its digits is 44. It has a total of 7 prime factors and 24 positive divisors. There are 7515904 positive integers (up to 18789920) that are relatively prime to 18789920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8789920 × 10^7
Engineering notation 1.8789920 × 10^6

Prime Factorization of 18789920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 117437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1174370
Product of the distinct prime numbers

The prime factorization of 18789920 is 2 × 2 × 2 × 2 × 2 × 5 × 117437. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 10, 3, 89, 805, 857, 1525, 8631, 35700, 47799, 747620, 434560, 7413222, 897349, 8321959, 96115026, 158012141, 473174685, 4847608427, 4715455903

Basic calculations (n = 18789920)

Multiplication

n×y
n×2 37579840
n×3 56369760
n×4 75159680
n×5 93949600

Division

n÷y
n÷2 9394960
n÷3 6263306.6666667
n÷3 4697480
n÷5 3757984

Exponentiation

ny
n2 353061093606400
n3 6.6339897039768E+21
n4 1.2465213581855E+29
n5 2.3422036598596E+36

Nth Root

y√n
2√n 4334.7341325622
3√n 265.85304789429
4√n 65.838697834649
5√n 28.496071132147

Divisors of 18789920

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 117437, 234874, 469748, 587185, 939496, 1174370, 1878992, 2348740, 3757984, 4697480, 9394960, 18789920

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18789919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18789920 can be divided by 24 positive divisors. The sum of these divisors (counting 18789920) is 1, the average is 0.041666666666667.

Base conversion 18789920

Base System Value
2 Binary 1000111101011011000100000
3 Ternary 1022100121220222
4 Quaternary 1013223120200
5 Quinary 14302234140
6 Senary 1510422212
8 Octal 107533040
10 Decimal 18789920
12 Duodecimal 6361968
16 Hexadecimal 11eb620
20 Vigesimal 5h8eg0
36 Base36 b6qe8

Cryptographic Hash Functions

md5 642d54d78045c1475e8d65940105a77f
sha1 3231c548e1d2e423079752093765269e182b9d84
sha256 672777d86ee23e75c419412d5eb2338147910e532894c3ec385c170130fc42de
sha512 c4cf67fb40ec5c51eac81b223c8538ca80f0f4b5d66fb1d1314b58c4ed478619f8bb9f5d414196305dc6f7127f84d1d49dd42bfc45cc8c0e94477b2851c4a059
ripemd-160 b09d24fb96b86dd258cb3000141c08a5129ce09b

18789920 as geometric shapes

Circle

Radius = n
Diameter 37579840
Circumference 118060549.26708
Area 1.1091741379422E+15

Sphere

Radius = n
Volume 2.7788391090672E+22
Surface area 4.436696551769E+15
Circumference 118060549.26708

Square

Length = n
Perimeter 75159680
Area 353061093606400
Diagonal 26572959.699905

Cube

Length = n
Surface area 2118366561638400
Volume 6.6339897039768E+21
Space diagonal 32545096.110155

Equilateral Triangle

Length = n
Perimeter 56369760
Area 1.5287993807553E+14
Altitude 16272548.055077

Triangular Pyramid

Length = n
Surface area 1.5287993807553E+14
Volume 7.8182318433395E+20
Height 8857653.2333018