20190918 (number)

20190918 is an even 8-digits composite number following 20190917 and preceding 20190919. In scientific notation, it is written as 2.0190918 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 5707680 positive integers (up to 20190918) that are relatively prime to 20190918.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety thousand nine hundred eighteen

Notation

Scientific notation 2.0190918 × 10^7
Engineering notation 2.0190918 × 10^6

Prime Factorization of 20190918

Prime Factorization 2 × 3 × 11 × 6509 × 47

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20190918
Product of the distinct prime numbers

The prime factorization of 20190918 is 2 × 3 × 11 × 6509 × 47. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 57, 92, 266, 283, 500, 4654, 70567, 60333, 546102, 764851, 4877705, 4275997, 55360354, 80979951, 390761975, 922887318, 4304336720, 5755932969

Basic calculations (n = 20190918)

Multiplication

n×y
n×2 40381836
n×3 60572754
n×4 80763672
n×5 100954590

Division

n÷y
n÷2 10095459
n÷3 6730306
n÷3 5047729.5
n÷5 4038183.6

Exponentiation

ny
n2 407673169682724
n3 8.231295539864E+21
n4 1.6619741327916E+29
n5 3.3556783433316E+36

Nth Root

y√n
2√n 4493.4305380188
3√n 272.30274645613
4√n 67.033055562303
5√n 28.908876447216

Divisors of 20190918

1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 141, 282, 517, 1034, 1551, 3102, 6509, 13018, 19527, 39054, 71599, 143198, 214797, 305923, 429594, 611846, 917769, 1835538, 3365153, 6730306, 10095459, 20190918

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20190917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20190918 can be divided by 32 positive divisors. The sum of these divisors (counting 20190918) is 1, the average is 0.03125.

Base conversion 20190918

Base System Value
2 Binary 1001101000001011011000110
3 Ternary 1101222210201210
4 Quaternary 1031001123012
5 Quinary 20132102133
6 Senary 2000432250
8 Octal 115013306
10 Decimal 20190918
12 Duodecimal 6918686
16 Hexadecimal 13416c6
20 Vigesimal 663h5i
36 Base36 c0reu

Cryptographic Hash Functions

md5 b14522aad5d16aa6ceda5336e93d6bc5
sha1 87ee22555529f4c810f07b324d34664d435c27d6
sha256 a046d37356d923bdd9812dbf387855d3051d8763b61bf59b83c1927acd822b48
sha512 37934b37d672b530a79dd3ae5e9bb7de1e43f0b42956700a433d621d46fc2258bf999ffac597ace45c46477fc320a09845f476547ea049c400926dcc2d7c64cd
ripemd-160 43765ba4cafdef5d31bedfcf622368a667b73573

20190918 as geometric shapes

Circle

Radius = n
Diameter 40381836
Circumference 126863279.31607
Area 1.2807430349409E+15

Sphere

Radius = n
Volume 3.4479170130084E+22
Surface area 5.1229721397636E+15
Circumference 126863279.31607

Square

Length = n
Perimeter 80763672
Area 407673169682724
Diagonal 28554270.072363

Cube

Length = n
Surface area 2446039018096344
Volume 8.231295539864E+21
Space diagonal 34971695.827457

Equilateral Triangle

Length = n
Perimeter 60572754
Area 1.7652766069328E+14
Altitude 17485847.913728

Triangular Pyramid

Length = n
Surface area 1.7652766069328E+14
Volume 9.7006748236473E+20
Height 9518090.024121