20180930 (number)

20180930 is an even 8-digits composite number following 20180929 and preceding 20180931. In scientific notation, it is written as 2.0180930 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 32 positive divisors. There are 6289920 positive integers (up to 20180930) that are relatively prime to 20180930.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand nine hundred thirty

Notation

Scientific notation 2.0180930 × 10^7
Engineering notation 2.0180930 × 10^6

Prime Factorization of 20180930

Prime Factorization 2 × 5 × 7 × 11 × 26209

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20180930
Product of the distinct prime numbers

The prime factorization of 20180930 is 2 × 5 × 7 × 11 × 26209. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 84, 19, 987, 25, 3438, 9196, 27968, 86595, 432002, 951270, 540954, 3327025, 57863345, 34994539, 442484169, 822263391, 4057903203, 4386958835

Basic calculations (n = 20180930)

Multiplication

n×y
n×2 40361860
n×3 60542790
n×4 80723720
n×5 100904650

Division

n÷y
n÷2 10090465
n÷3 6726976.6666667
n÷3 5045232.5
n÷5 4036186

Exponentiation

ny
n2 407269935664900
n3 8.2190860627579E+21
n4 1.6586880049649E+29
n5 3.3473866520037E+36

Nth Root

y√n
2√n 4492.3190002492
3√n 272.25783833749
4√n 67.024764082011
5√n 28.906015764918

Divisors of 20180930

1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26209, 52418, 131045, 183463, 262090, 288299, 366926, 576598, 917315, 1441495, 1834630, 2018093, 2882990, 4036186, 10090465, 20180930

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 -20180929
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 20180930 can be divided by 32 positive divisors. The sum of these divisors (counting 20180930) is 1, the average is 0.03125.

Base conversion 20180930

Base System Value
2 Binary 1001100111110111111000010
3 Ternary 1101222022000212
4 Quaternary 1030332333002
5 Quinary 20131242210
6 Senary 2000314122
8 Octal 114767702
10 Decimal 20180930
12 Duodecimal 6912942
16 Hexadecimal 133efc2
20 Vigesimal 662c6a
36 Base36 c0jpe

Cryptographic Hash Functions

md5 92421462021db8f73d1df183712a79f5
sha1 eec0e12376e5fbe948c64f201e3eb4801983bd52
sha256 71bf956312309d802a8d70dcc3f3ec0a67c86fefb1ab2de21198f39247e23ef1
sha512 1ec5ceb6938839d982fbba32275b204c15ef49df94f9db9ac58f22f2972a8257e1c4225eeda9767e3e2b0724f7fa39bd9cab5c6c8768611f61ec811f91296c53
ripemd-160 b5bed05bd77644cda5bd114f164834a4b6e74200

20180930 as geometric shapes

Circle

Radius = n
Diameter 40361860
Circumference 126800522.86122
Area 1.2794762379128E+15

Sphere

Radius = n
Volume 3.4428027191976E+22
Surface area 5.1179049516514E+15
Circumference 126800522.86122

Square

Length = n
Perimeter 80723720
Area 407269935664900
Diagonal 28540144.907302

Cube

Length = n
Surface area 2443619613989400
Volume 8.2190860627579E+21
Space diagonal 34954396.103991

Equilateral Triangle

Length = n
Perimeter 60542790
Area 1.7635305524173E+14
Altitude 17477198.051995

Triangular Pyramid

Length = n
Surface area 1.7635305524173E+14
Volume 9.6862858168865E+20
Height 9513381.6357674