20784949 (number)

20784949 is an odd 8-digits composite number following 20784948 and preceding 20784950. In scientific notation, it is written as 2.0784949 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 20756736 positive integers (up to 20784949) that are relatively prime to 20784949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0784949 × 10^7
Engineering notation 2.0784949 × 10^6

Prime Factorization of 20784949

Prime Factorization 757 × 27457

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20784949
Product of the distinct prime numbers

The prime factorization of 20784949 is 757 × 27457. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20784949)

Multiplication

n×y
n×2 41569898
n×3 62354847
n×4 83139796
n×5 103924745

Division

n÷y
n÷2 10392474.5
n÷3 6928316.3333333
n÷3 5196237.25
n÷5 4156989.8

Exponentiation

ny
n2 432014104932601
n3 8.9793911383048E+21
n4 1.8663618686072E+29
n5 3.8792236254545E+36

Nth Root

y√n
2√n 4559.0513267565
3√n 274.94742355752
4√n 67.52074738002
5√n 29.077013135173

Divisors of 20784949

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20784948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20784949 can be divided by 4 positive divisors. The sum of these divisors (counting 20784949) is 1, the average is 0.25.

Base conversion 20784949

Base System Value
2 Binary 1001111010010011100110101
3 Ternary 1110002222120221
4 Quaternary 1033102130311
5 Quinary 20310104244
6 Senary 2021254341
8 Octal 117223465
10 Decimal 20784949
12 Duodecimal 6b643b1
16 Hexadecimal 13d2735
20 Vigesimal 69i279
36 Base36 cdhrp

Cryptographic Hash Functions

md5 56775f3bba1e0f8372c4c365840b7dbf
sha1 b67c14747d01dd17307867884154a9174addfbb5
sha256 74558b78ff11ba14d889d7878ffea889c6c6e9a39920391005a924ac5a076cc2
sha512 4cb7d1849a72c70c506849437b4304980d9f40719b69d3db8b7952090aea89e4992270c195d326b19bc1061289afa73f584b7a7fa66fd9d9656c3a8754575598
ripemd-160 161ded8fa44197044626c0ab5ceda6eafaa668c5

20784949 as geometric shapes

Circle

Radius = n
Diameter 41569898
Circumference 130595686.16728
Area 1.3572123383034E+15

Sphere

Radius = n
Volume 3.7612785645077E+22
Surface area 5.4288493532137E+15
Circumference 130595686.16728

Square

Length = n
Perimeter 83139796
Area 432014104932601
Diagonal 29394356.769033

Cube

Length = n
Surface area 2592084629595606
Volume 8.9793911383048E+21
Space diagonal 36000587.700728

Equilateral Triangle

Length = n
Perimeter 62354847
Area 1.8706759483241E+14
Altitude 18000293.850364

Triangular Pyramid

Length = n
Surface area 1.8706759483241E+14
Volume 1.0582313941369E+21
Height 9798118.923011