20021918 (number)

20021918 is an even 8-digits composite number following 20021917 and preceding 20021919. In scientific notation, it is written as 2.0021918 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 8255520 positive integers (up to 20021918) that are relatively prime to 20021918.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand nine hundred eighteen

Notation

Scientific notation 2.0021918 × 10^7
Engineering notation 2.0021918 × 10^6

Prime Factorization of 20021918

Prime Factorization 2 × 553 × 43 × 421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20021918
Product of the distinct prime numbers

The prime factorization of 20021918 is 2 × 553 × 43 × 421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 98, 28, 910, 342, 3853, 2532, 371, 1719, 982993, 381647, 8329286, 6325220, 88452331, 25530358, 5193105, 206500309, 8510836527, 7131032558

Basic calculations (n = 20021918)

Multiplication

n×y
n×2 40043836
n×3 60065754
n×4 80087672
n×5 100109590

Division

n÷y
n÷2 10010959
n÷3 6673972.6666667
n÷3 5005479.5
n÷5 4004383.6

Exponentiation

ny
n2 400877200398724
n3 8.0263304344528E+21
n4 1.6070252979952E+29
n5 3.2175728740385E+36

Nth Root

y√n
2√n 4474.5857908861
3√n 271.54088313476
4√n 66.89234478538
5√n 28.860319566989

Divisors of 20021918

1, 2, 43, 86, 421, 553, 842, 1106, 18103, 23779, 36206, 47558, 232813, 465626, 10010959, 20021918

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 -20021917
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 20021918 can be divided by 16 positive divisors. The sum of these divisors (counting 20021918) is 1, the average is 0.0625.

Base conversion 20021918

Base System Value
2 Binary 1001100011000001010011110
3 Ternary 1101200012220112
4 Quaternary 1030120022132
5 Quinary 20111200133
6 Senary 1553050022
8 Octal 114301236
10 Decimal 20021918
12 Duodecimal 6856912
16 Hexadecimal 131829e
20 Vigesimal 652efi
36 Base36 bx50e

Cryptographic Hash Functions

md5 ca14ee799e5251432d43019d1053a36e
sha1 67b57ea923fd5a24f6f926587d059c5a1bffb0d8
sha256 e86c8a4a1a713125f0ce37e424ce3207f0a954daee7ebdb4a800be3523f97f8a
sha512 4f8a1db6f55ca3071365e30eafc365bce42f30e5cb8db4807fc4edde444a4068f9c7c16f784d151c50d8f210c0c927a87ad51d7a11a7030a046c2a4904cec686
ripemd-160 873ddeb2dbeb07aa97520b0c7995a61e962805e6

20021918 as geometric shapes

Circle

Radius = n
Diameter 40043836
Circumference 125801420.99915
Area 1.2593928677643E+15

Sphere

Radius = n
Volume 3.3620614304215E+22
Surface area 5.0375714710571E+15
Circumference 125801420.99915

Square

Length = n
Perimeter 80087672
Area 400877200398724
Diagonal 28315267.980322

Cube

Length = n
Surface area 2405263202392344
Volume 8.0263304344528E+21
Space diagonal 34678979.240978

Equilateral Triangle

Length = n
Perimeter 60065754
Area 1.7358491967164E+14
Altitude 17339489.620489

Triangular Pyramid

Length = n
Surface area 1.7358491967164E+14
Volume 9.4591211304093E+20
Height 9438422.6601073