20842947 (number)

20842947 is an odd 8-digits composite number following 20842946 and preceding 20842948. In scientific notation, it is written as 2.0842947 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13895280 positive integers (up to 20842947) that are relatively prime to 20842947.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0842947 × 10^7
Engineering notation 2.0842947 × 10^6

Prime Factorization of 20842947

Prime Factorization 3 × 9 × 771961

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20842947
Product of the distinct prime numbers

The prime factorization of 20842947 is 3 × 9 × 771961. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20842947)

Multiplication

n×y
n×2 41685894
n×3 62528841
n×4 83371788
n×5 104214735

Division

n÷y
n÷2 10421473.5
n÷3 6947649
n÷3 5210736.75
n÷5 4168589.4

Exponentiation

ny
n2 434428439644809
n3 9.0547689428095E+21
n4 1.8872806917222E+29
n5 3.933649143169E+36

Nth Root

y√n
2√n 4565.4076488305
3√n 275.20292240311
4√n 67.567800384728
5√n 29.093222262861

Divisors of 20842947

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20842946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20842947 can be divided by 8 positive divisors. The sum of these divisors (counting 20842947) is 1, the average is 0.125.

Base conversion 20842947

Base System Value
2 Binary 1001111100000100111000011
3 Ternary 1110012221011000
4 Quaternary 1033200213003
5 Quinary 20313433242
6 Senary 2022423043
8 Octal 117404703
10 Decimal 20842947
12 Duodecimal 6b91a83
16 Hexadecimal 13e09c3
20 Vigesimal 6a5777
36 Base36 ceqir

Cryptographic Hash Functions

md5 d24d4cdd8b28fc14a253cf804a7ac9be
sha1 a479a3111576344c4ef02fb28662acac965576f1
sha256 6595452f554d98815133c3f381165024f27100b6c8c6d91e4faee69bb0e121d0
sha512 aa33a7f3e54a167e38b91f5e00329c7e4fbe35ccdcf5224d4a80600822b0ec56b0a7011ac13cb2f9305b9ae1a5ff5eeac3f0239302f3a3599e2254c032384226
ripemd-160 2f09ea8de24bd173d17db380745a52f4ca340a7e

20842947 as geometric shapes

Circle

Radius = n
Diameter 41685894
Circumference 130960098.34872
Area 1.3647971944986E+15

Sphere

Radius = n
Volume 3.7928527454244E+22
Surface area 5.4591887779944E+15
Circumference 130960098.34872

Square

Length = n
Perimeter 83371788
Area 434428439644809
Diagonal 29476378.327224

Cube

Length = n
Surface area 2606570637868854
Volume 9.0547689428095E+21
Space diagonal 36101043.183465

Equilateral Triangle

Length = n
Perimeter 62528841
Area 1.8811303242942E+14
Altitude 18050521.591733

Triangular Pyramid

Length = n
Surface area 1.8811303242942E+14
Volume 1.0671147535897E+21
Height 9825459.4424079