20946921 (number)

20946921 is an odd 8-digits composite number following 20946920 and preceding 20946922. In scientific notation, it is written as 2.0946921 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13587120 positive integers (up to 20946921) that are relatively prime to 20946921.

Interesting facts

Basic properties

Name

Name twenty million nine hundred forty-six thousand nine hundred twenty-one

Notation

Scientific notation 2.0946921 × 10^7
Engineering notation 2.0946921 × 10^6

Prime Factorization of 20946921

Prime Factorization 111 × 188711

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20946921
Product of the distinct prime numbers

The prime factorization of 20946921 is 111 × 188711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20946921)

Multiplication

n×y
n×2 41893842
n×3 62840763
n×4 83787684
n×5 104734605

Division

n÷y
n÷2 10473460.5
n÷3 6982307
n÷3 5236730.25
n÷5 4189384.2

Exponentiation

ny
n2 438773499380241
n3 9.1909538284115E+21
n4 1.9252218375838E+29
n5 4.0327469739343E+36

Nth Root

y√n
2√n 4576.7806370854
3√n 275.65977559069
4√n 67.651907859908
5√n 29.122190534885

Divisors of 20946921

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 -20946920
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 20946921 can be divided by 4 positive divisors. The sum of these divisors (counting 20946921) is 1, the average is 0.25.

Base conversion 20946921

Base System Value
2 Binary 1001111111001111111101001
3 Ternary 1110102012202220
4 Quaternary 1033321333221
5 Quinary 20330300141
6 Senary 2024544253
8 Octal 117717751
10 Decimal 20946921
12 Duodecimal 7022089
16 Hexadecimal 13f9fe9
20 Vigesimal 6ai761
36 Base36 cgyqx

Cryptographic Hash Functions

md5 9f6021e92b8bce91b05994ed0e6775cb
sha1 7cc023c436791050492fe24fab5cef3e3c15e556
sha256 19653582e2d41b7d39f7be32f962d2ef32474b4b2b4c49493836386fa908cb52
sha512 8b2964583738d8a5bb86cd4ad6c698e21073bfdaa9d652491a2cb3001886c7feb33972cbc094273dd57b1dbda1c8930c66c95ba6ad7c197ec31e8538616019b2
ripemd-160 7ea4306687608e59ca9893f9f63366a4d17d66dc

20946921 as geometric shapes

Circle

Radius = n
Diameter 41893842
Circumference 131613386.25785
Area 1.3784476022429E+15

Sphere

Radius = n
Volume 3.8498977369094E+22
Surface area 5.5137904089714E+15
Circumference 131613386.25785

Square

Length = n
Perimeter 83787684
Area 438773499380241
Diagonal 29623419.768158

Cube

Length = n
Surface area 2632640996281446
Volume 9.1909538284115E+21
Space diagonal 36281131.434131

Equilateral Triangle

Length = n
Perimeter 62840763
Area 1.8999449848534E+14
Altitude 18140565.717066

Triangular Pyramid

Length = n
Surface area 1.8999449848534E+14
Volume 1.0831642962737E+21
Height 9874473.2560526