20984789 (number)

20984789 is an odd 8-digits composite number following 20984788 and preceding 20984790. In scientific notation, it is written as 2.0984789 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 17817408 positive integers (up to 20984789) that are relatively prime to 20984789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0984789 × 10^7
Engineering notation 2.0984789 × 10^6

Prime Factorization of 20984789

Prime Factorization 7 × 7 × 109 × 3929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2997827
Product of the distinct prime numbers

The prime factorization of 20984789 is 7 × 7 × 109 × 3929. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 25, 59, 445, 320, 199, 3207, 45210, 50741, 822983, 137546, 9208539, 5263053, 16621558, 6695845, 125254641, 68422711, 853127461, 7139019140

Basic calculations (n = 20984789)

Multiplication

n×y
n×2 41969578
n×3 62954367
n×4 83939156
n×5 104923945

Division

n÷y
n÷2 10492394.5
n÷3 6994929.6666667
n÷3 5246197.25
n÷5 4196957.8

Exponentiation

ny
n2 440361369374521
n3 9.2408904200754E+21
n4 1.939181356374E+29
n5 4.0693311596243E+36

Nth Root

y√n
2√n 4580.9157381467
3√n 275.82578885687
4√n 67.682462559711
5√n 29.132712391684

Divisors of 20984789

1, 7, 49, 109, 763, 3929, 5341, 27503, 192521, 428261, 2997827, 20984789

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 -20984788
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 20984789 can be divided by 12 positive divisors. The sum of these divisors (counting 20984789) is 1, the average is 0.083333333333333.

Base conversion 20984789

Base System Value
2 Binary 1010000000011001111010101
3 Ternary 1110111010201102
4 Quaternary 1100003033111
5 Quinary 20333003124
6 Senary 2025435445
8 Octal 120031725
10 Decimal 20984789
12 Duodecimal 703bb85
16 Hexadecimal 14033d5
20 Vigesimal 6b31j9
36 Base36 chryt

Cryptographic Hash Functions

md5 06c6ca89fc1f61be9d0ff98535faa9ac
sha1 8797513696fac15b1ca4a0c8c3623b27b0d728cb
sha256 94055b8c58b6fcbd20035ee2688b13c380e0d451602c3bb323bfc5edb13a3ef6
sha512 9ca33049c1a4ce861c0b096b639ebae3bbff0ff2790425e1a47bfea0100c1e2ce84dac7d1ef73505465cd74aebf8d90a05996c5999b6d2be1c80b8e3f5be493b
ripemd-160 a3413c67461d7708cf1b6b4971a9b9dc088edac4

20984789 as geometric shapes

Circle

Radius = n
Diameter 41969578
Circumference 131851317.91906
Area 1.3834360429517E+15

Sphere

Radius = n
Volume 3.8708151275116E+22
Surface area 5.5337441718069E+15
Circumference 131851317.91906

Square

Length = n
Perimeter 83939156
Area 440361369374521
Diagonal 29676973.207338

Cube

Length = n
Surface area 2642168216247126
Volume 9.2408904200754E+21
Space diagonal 36346720.734112

Equilateral Triangle

Length = n
Perimeter 62954367
Area 1.9068206636182E+14
Altitude 18173360.367056

Triangular Pyramid

Length = n
Surface area 1.9068206636182E+14
Volume 1.0890493800395E+21
Height 9892324.4024459