20949947 (number)

20949947 is an odd 8-digits composite number following 20949946 and preceding 20949948. In scientific notation, it is written as 2.0949947 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20697456 positive integers (up to 20949947) that are relatively prime to 20949947.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0949947 × 10^7
Engineering notation 2.0949947 × 10^6

Prime Factorization of 20949947

Prime Factorization 83 × 252409

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20949947
Product of the distinct prime numbers

The prime factorization of 20949947 is 83 × 252409. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20949947)

Multiplication

n×y
n×2 41899894
n×3 62849841
n×4 83799788
n×5 104749735

Division

n÷y
n÷2 10474973.5
n÷3 6983315.6666667
n÷3 5237486.75
n÷5 4189989.4

Exponentiation

ny
n2 438900279302809
n3 9.194937589679E+21
n4 1.9263345517208E+29
n5 4.035660676282E+36

Nth Root

y√n
2√n 4577.111206864
3√n 275.67304892279
4√n 67.654350982505
5√n 29.123031886765

Divisors of 20949947

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 -20949946
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 20949947 can be divided by 4 positive divisors. The sum of these divisors (counting 20949947) is 1, the average is 0.25.

Base conversion 20949947

Base System Value
2 Binary 1001111111010101110111011
3 Ternary 1110102100220222
4 Quaternary 1033322232323
5 Quinary 20330344242
6 Senary 2025010255
8 Octal 117725673
10 Decimal 20949947
12 Duodecimal 702398b
16 Hexadecimal 13fabbb
20 Vigesimal 6aieh7
36 Base36 ch12z

Cryptographic Hash Functions

md5 ce44d43a1ab0fa5bd9bf142884892d4b
sha1 df4a6de55ff5184e32d33436fad151f2c7ce9bff
sha256 51338010ff47497f03b9c757336e0701d9888907e0b1db060b1aa67a6cb1244d
sha512 0e289e1c83ab3d9bcc9fd278e4f75636250b50d4b784f15171f27c76377080082b555a9ffa054e20238d0ba6fc48e5f9929d74e963dd43438bdc45d8713f6ab1
ripemd-160 5bfc1029a2a9cb52c72dc2b47918aecc9769f29a

20949947 as geometric shapes

Circle

Radius = n
Diameter 41899894
Circumference 131632399.17659
Area 1.3788458931162E+15

Sphere

Radius = n
Volume 3.851566450927E+22
Surface area 5.5153835724649E+15
Circumference 131632399.17659

Square

Length = n
Perimeter 83799788
Area 438900279302809
Diagonal 29627699.178398

Cube

Length = n
Surface area 2633401675816854
Volume 9.194937589679E+21
Space diagonal 36286372.619875

Equilateral Triangle

Length = n
Perimeter 62849841
Area 1.9004939580216E+14
Altitude 18143186.309938

Triangular Pyramid

Length = n
Surface area 1.9004939580216E+14
Volume 1.0836337870415E+21
Height 9875899.7261325