20187920 (number)

20187920 is an even 8-digits composite number following 20187919 and preceding 20187921. In scientific notation, it is written as 2.0187920 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 40 positive divisors. There are 8007552 positive integers (up to 20187920) that are relatively prime to 20187920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187920 × 10^7
Engineering notation 2.0187920 × 10^6

Prime Factorization of 20187920

Prime Factorization 2 × 2 × 2 × 2 × 5 × 127 × 1987

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2523490
Product of the distinct prime numbers

The prime factorization of 20187920 is 2 × 2 × 2 × 2 × 5 × 127 × 1987. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 10, 73, 57, 85, 17, 9230, 7134, 27229, 53550, 45484, 884948, 1143837, 830804, 22923206, 95631769, 254867279, 678076537, 4848010761, 5195941815

Basic calculations (n = 20187920)

Multiplication

n×y
n×2 40375840
n×3 60563760
n×4 80751680
n×5 100939600

Division

n÷y
n÷2 10093960
n÷3 6729306.6666667
n÷3 5046980
n÷5 4037584

Exponentiation

ny
n2 407552113926400
n3 8.227629471777E+21
n4 1.6609872556588E+29
n5 3.3531877838259E+36

Nth Root

y√n
2√n 4493.09692751
3√n 272.28926838244
4√n 67.030567113146
5√n 28.908017903196

Divisors of 20187920

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1987, 2032, 2540, 3974, 5080, 7948, 9935, 10160, 15896, 19870, 31792, 39740, 79480, 158960, 252349, 504698, 1009396, 1261745, 2018792, 2523490, 4037584, 5046980, 10093960, 20187920

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187920 can be divided by 40 positive divisors. The sum of these divisors (counting 20187920) is 1, the average is 0.025.

Base conversion 20187920

Base System Value
2 Binary 1001101000000101100010000
3 Ternary 1101222122121202
4 Quaternary 1031000230100
5 Quinary 20132003140
6 Senary 2000410332
8 Octal 115005420
10 Decimal 20187920
12 Duodecimal 69169a8
16 Hexadecimal 1340b10
20 Vigesimal 6639g0
36 Base36 c0p3k

Cryptographic Hash Functions

md5 8123b83b6254854f411989ac6d3ee16c
sha1 ea5c751ff458adb003bfa3b7d9f99e6ba5968c55
sha256 bace2b5ffbdbdc9e016152474b415e94d9705283c9b6e4486ae5fdd3750cf49e
sha512 7cea6a5a06c9f25e1c7989a94458c53ea23a3d7f6fe90a074715376e57862f5a23c99cd54469a1248f26e8451c7a59944db606bd6ee268b195cda1c81b186155
ripemd-160 dc3878c3ce960091b60d069ec9f264539368e7fb

20187920 as geometric shapes

Circle

Radius = n
Diameter 40375840
Circumference 126844442.32652
Area 1.2803627270662E+15

Sphere

Radius = n
Volume 3.4463813739992E+22
Surface area 5.1214509082647E+15
Circumference 126844442.32652

Square

Length = n
Perimeter 80751680
Area 407552113926400
Diagonal 28550030.260103

Cube

Length = n
Surface area 2445312683558400
Volume 8.227629471777E+21
Space diagonal 34966503.139136

Equilateral Triangle

Length = n
Perimeter 60563760
Area 1.7647524201316E+14
Altitude 17483251.569568

Triangular Pyramid

Length = n
Surface area 1.7647524201316E+14
Volume 9.6963543209731E+20
Height 9516676.7533677