18942020 (number)

18942020 is an even 8-digits composite number following 18942019 and preceding 18942021. In scientific notation, it is written as 1.8942020 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 7506432 positive integers (up to 18942020) that are relatively prime to 18942020.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred forty-two thousand twenty

Notation

Scientific notation 1.8942020 × 10^7
Engineering notation 1.8942020 × 10^6

Prime Factorization of 18942020

Prime Factorization 2 × 2 × 5 × 109 × 8689

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9471010
Product of the distinct prime numbers

The prime factorization of 18942020 is 2 × 2 × 5 × 109 × 8689. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 64, 86, 390, 904, 133, 5364, 50835, 19302, 762016, 86117, 4500036, 938449, 7084783, 61790301, 511376345, 477777145, 6548722840, 5397255216

Basic calculations (n = 18942020)

Multiplication

n×y
n×2 37884040
n×3 56826060
n×4 75768080
n×5 94710100

Division

n÷y
n÷2 9471010
n÷3 6314006.6666667
n÷3 4735505
n÷5 3788404

Exponentiation

ny
n2 358800121680400
n3 6.7963990808726E+21
n4 1.2873752731787E+29
n5 2.4385488172056E+36

Nth Root

y√n
2√n 4352.2430998279
3√n 266.56846036543
4√n 65.971532495675
5√n 28.542056280492

Divisors of 18942020

1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 8689, 17378, 34756, 43445, 86890, 173780, 947101, 1894202, 3788404, 4735505, 9471010, 18942020

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 -18942019
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 18942020 can be divided by 24 positive divisors. The sum of these divisors (counting 18942020) is 1, the average is 0.041666666666667.

Base conversion 18942020

Base System Value
2 Binary 1001000010000100001000100
3 Ternary 1022122100120022
4 Quaternary 1020100201010
5 Quinary 14322121040
6 Senary 1513554312
8 Octal 110204104
10 Decimal 18942020
12 Duodecimal 6415998
16 Hexadecimal 1210844
20 Vigesimal 5i7f10
36 Base36 b9zr8

Cryptographic Hash Functions

md5 91b6bc5276fc6c463c4e59be8ae1c366
sha1 fe61fc6eb9e451f9a551d81a2fc9653b5a360bc2
sha256 d64b9b55b278d9f84df8240e23ca8799b992187e24b80303c0c675bc85ff5dc9
sha512 a6f34c5cbf7308668b240ff0f193b48f9cfff26667751dd1e7a67d821a189ad9171af0d72bcc0cd3be81a0702e7070ffba1e8b25b0b04744517e0dcbb667221e
ripemd-160 c8ffb5a76081552d214977bfb8256d4d46c792ae

18942020 as geometric shapes

Circle

Radius = n
Diameter 37884040
Circumference 119016221.7523
Area 1.1272038263783E+15

Sphere

Radius = n
Volume 2.8468689897778E+22
Surface area 4.5088153055131E+15
Circumference 119016221.7523

Square

Length = n
Perimeter 75768080
Area 358800121680400
Diagonal 26788061.582742

Cube

Length = n
Surface area 2152800730082400
Volume 6.7963990808726E+21
Space diagonal 32808541.037986

Equilateral Triangle

Length = n
Perimeter 56826060
Area 1.5536501012809E+14
Altitude 16404270.518993

Triangular Pyramid

Length = n
Surface area 1.5536501012809E+14
Volume 8.0096331295584E+20
Height 8929353.8609141