20789978 (number)

20789978 is an even 8-digits composite number following 20789977 and preceding 20789979. In scientific notation, it is written as 2.0789978 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors. There are 9449880 positive integers (up to 20789978) that are relatively prime to 20789978.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-nine thousand nine hundred seventy-eight

Notation

Scientific notation 2.0789978 × 10^7
Engineering notation 2.0789978 × 10^6

Prime Factorization of 20789978

Prime Factorization 2 × 11 × 11 × 85909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1889998
Product of the distinct prime numbers

The prime factorization of 20789978 is 2 × 11 × 11 × 85909. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 64, 32, 690, 249, 3802, 7727, 87283, 82961, 737370, 459998, 2135387, 880903, 27786788, 66829406, 227707940, 422924717, 7717357740, 8499191863

Basic calculations (n = 20789978)

Multiplication

n×y
n×2 41579956
n×3 62369934
n×4 83159912
n×5 103949890

Division

n÷y
n÷2 10394989
n÷3 6929992.6666667
n÷3 5197494.5
n÷5 4157995.6

Exponentiation

ny
n2 432223185240484
n3 8.9859105122396E+21
n4 1.8681688185943E+29
n5 3.8839188638861E+36

Nth Root

y√n
2√n 4559.602833581
3√n 274.9695966388
4√n 67.524831236968
5√n 29.078420058509

Divisors of 20789978

1, 2, 11, 22, 121, 242, 85909, 171818, 944999, 1889998, 10394989, 20789978

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20789977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20789978 can be divided by 12 positive divisors. The sum of these divisors (counting 20789978) is 1, the average is 0.083333333333333.

Base conversion 20789978

Base System Value
2 Binary 1001111010011101011011010
3 Ternary 1110010020111012
4 Quaternary 1033103223122
5 Quinary 20310234403
6 Senary 2021333522
8 Octal 117235332
10 Decimal 20789978
12 Duodecimal 6b672a2
16 Hexadecimal 13d3ada
20 Vigesimal 69ieii
36 Base36 cdlne

Cryptographic Hash Functions

md5 44ee0e7e86ed54fd0ddb912f8a4cc03d
sha1 e740796e9bae0478ee88b0002fa929acb4111377
sha256 2923941baadcaadfe8706a541b3065dc7c4bd54fd3d460eb5f70b3d71b53e19e
sha512 aa5e61a0809df3b3100fb02d70dc9d57a9304dff78bc9d5384ff3eaf2dc58bde0f0b258f5d883f0da20fc8017ea57b6b6d44b1be72e104f68b3d95fdd4c61eec
ripemd-160 986f8f7adcda3db6d7000ba00c7d559bddff2872

20789978 as geometric shapes

Circle

Radius = n
Diameter 41579956
Circumference 130627284.30619
Area 1.3578691834627E+15

Sphere

Radius = n
Volume 3.7640093934756E+22
Surface area 5.4314767338507E+15
Circumference 130627284.30619

Square

Length = n
Perimeter 83159912
Area 432223185240484
Diagonal 29401468.849038

Cube

Length = n
Surface area 2593339111442904
Volume 8.9859105122396E+21
Space diagonal 36009298.184239

Equilateral Triangle

Length = n
Perimeter 62369934
Area 1.8715812926144E+14
Altitude 18004649.09212

Triangular Pyramid

Length = n
Surface area 1.8715812926144E+14
Volume 1.0589997097233E+21
Height 9800489.6163461