20789985 (number)

20789985 is an odd 8-digits composite number following 20789984 and preceding 20789986. In scientific notation, it is written as 2.0789985 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 11067840 positive integers (up to 20789985) that are relatively prime to 20789985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0789985 × 10^7
Engineering notation 2.0789985 × 10^6

Prime Factorization of 20789985

Prime Factorization 5 × 3 × 811 × 1709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20789985
Product of the distinct prime numbers

The prime factorization of 20789985 is 5 × 3 × 811 × 1709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 83, 48, 908, 342, 8538, 2093, 30619, 60784, 549246, 54994, 6179642, 4514293, 89663791, 55942451, 205731134, 149005951, 4191793596, 9927507842

Basic calculations (n = 20789985)

Multiplication

n×y
n×2 41579970
n×3 62369955
n×4 83159940
n×5 103949925

Division

n÷y
n÷2 10394992.5
n÷3 6929995
n÷3 5197496.25
n÷5 4157997

Exponentiation

ny
n2 432223476300225
n3 8.9859195889295E+21
n4 1.8681713346505E+29
n5 3.8839254024814E+36

Nth Root

y√n
2√n 4559.6036011917
3√n 274.96962749961
4√n 67.524836920882
5√n 29.078422016654

Divisors of 20789985

1, 3, 5, 15, 811, 1709, 2433, 4055, 5127, 8545, 12165, 25635, 1385999, 4157997, 6929995, 20789985

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 -20789984
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 20789985 can be divided by 16 positive divisors. The sum of these divisors (counting 20789985) is 1, the average is 0.0625.

Base conversion 20789985

Base System Value
2 Binary 1001111010011101011100001
3 Ternary 1110010020111110
4 Quaternary 1033103223201
5 Quinary 20310234420
6 Senary 2021333533
8 Octal 117235341
10 Decimal 20789985
12 Duodecimal 6b672a9
16 Hexadecimal 13d3ae1
20 Vigesimal 69iej5
36 Base36 cdlnl

Cryptographic Hash Functions

md5 905ada8d2cce9dde923d7f45a099338a
sha1 90143a091969df212b1ab64f461a82444ca536bf
sha256 dc092abe990af8c8fb5e6ebd7ec41483975ba3045b45db6d13afd3ea67956507
sha512 2e143f3a14d78a1b11b1943a7ad62a59417dc5d9dd9337adcae1804b1f02b3612c5064f8733276589a316514ac6108d6f48acceb0e06d233fe2cefd81cee7c88
ripemd-160 525dea14bc5500c4487b13a88749b7ec28b4defd

20789985 as geometric shapes

Circle

Radius = n
Diameter 41579970
Circumference 130627328.28848
Area 1.3578700978538E+15

Sphere

Radius = n
Volume 3.7640131955106E+22
Surface area 5.4314803914153E+15
Circumference 130627328.28848

Square

Length = n
Perimeter 83159940
Area 432223476300225
Diagonal 29401478.748533

Cube

Length = n
Surface area 2593340857801350
Volume 8.9859195889295E+21
Space diagonal 36009310.308595

Equilateral Triangle

Length = n
Perimeter 62369955
Area 1.8715825529401E+14
Altitude 18004655.154297

Triangular Pyramid

Length = n
Surface area 1.8715825529401E+14
Volume 1.0590007794215E+21
Height 9800492.9161777