20190921 (number)

20190921 is an odd 8-digits composite number following 20190920 and preceding 20190922. In scientific notation, it is written as 2.0190921 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13232352 positive integers (up to 20190921) that are relatively prime to 20190921.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety thousand nine hundred twenty-one

Notation

Scientific notation 2.0190921 × 10^7
Engineering notation 2.0190921 × 10^6

Prime Factorization of 20190921

Prime Factorization 3 × 59 × 114073

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20190921
Product of the distinct prime numbers

The prime factorization of 20190921 is 3 × 59 × 114073. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20190921)

Multiplication

n×y
n×2 40381842
n×3 60572763
n×4 80763684
n×5 100954605

Division

n÷y
n÷2 10095460.5
n÷3 6730307
n÷3 5047730.25
n÷5 4038184.2

Exponentiation

ny
n2 407673290828241
n3 8.231299208923E+21
n4 1.6619751205473E+29
n5 3.3556808362936E+36

Nth Root

y√n
2√n 4493.4308718395
3√n 272.30275994253
4√n 67.033058052273
5√n 28.908877306282

Divisors of 20190921

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 -20190920
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 20190921 can be divided by 8 positive divisors. The sum of these divisors (counting 20190921) is 1, the average is 0.125.

Base conversion 20190921

Base System Value
2 Binary 1001101000001011011001001
3 Ternary 1101222210201220
4 Quaternary 1031001123021
5 Quinary 20132102141
6 Senary 2000432253
8 Octal 115013311
10 Decimal 20190921
12 Duodecimal 6918689
16 Hexadecimal 13416c9
20 Vigesimal 663h61
36 Base36 c0rex

Cryptographic Hash Functions

md5 f04c2f7b6ec04c6cdf2826c33138d3f6
sha1 a7d2f8ce89cfd00afd5c547de66a6f256ce7b8eb
sha256 7ab7cb1a498d85e12706449fdda0e581f7990b76029832c1b9c8fd6ba80daef0
sha512 046a5a2966cc3f80feb15701b7706db1237b83a77929b854bc34af2e53ffe077841c077dba9b1fb5e64354113313b5b781dab77fc7cdb62c6c63be859d20bec2
ripemd-160 8a4fac3db7707ec1cfe6ca6a41ea68f1654d3c95

20190921 as geometric shapes

Circle

Radius = n
Diameter 40381842
Circumference 126863298.16562
Area 1.2807434155308E+15

Sphere

Radius = n
Volume 3.4479185499003E+22
Surface area 5.1229736621231E+15
Circumference 126863298.16562

Square

Length = n
Perimeter 80763684
Area 407673290828241
Diagonal 28554274.315004

Cube

Length = n
Surface area 2446039744969446
Volume 8.231299208923E+21
Space diagonal 34971701.023609

Equilateral Triangle

Length = n
Perimeter 60572763
Area 1.7652771315083E+14
Altitude 17485850.511805

Triangular Pyramid

Length = n
Surface area 1.7652771315083E+14
Volume 9.7006791476749E+20
Height 9518091.4383346