20993921 (number)

20993921 is an odd 8-digits composite number following 20993920 and preceding 20993922. In scientific notation, it is written as 2.0993921 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 19378992 positive integers (up to 20993921) that are relatively prime to 20993921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0993921 × 10^7
Engineering notation 2.0993921 × 10^6

Prime Factorization of 20993921

Prime Factorization 13 × 1614917

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20993921
Product of the distinct prime numbers

The prime factorization of 20993921 is 13 × 1614917. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20993921)

Multiplication

n×y
n×2 41987842
n×3 62981763
n×4 83975684
n×5 104969605

Division

n÷y
n÷2 10496960.5
n÷3 6997973.6666667
n÷3 5248480.25
n÷5 4198784.2

Exponentiation

ny
n2 440744718954241
n3 9.2529598108925E+21
n4 1.9425590728605E+29
n5 4.0781931713467E+36

Nth Root

y√n
2√n 4581.9123736711
3√n 275.86579364026
4√n 67.689824742505
5√n 29.135247500637

Divisors of 20993921

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 -20993920
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 20993921 can be divided by 4 positive divisors. The sum of these divisors (counting 20993921) is 1, the average is 0.25.

Base conversion 20993921

Base System Value
2 Binary 1010000000101011110000001
3 Ternary 1110111121020122
4 Quaternary 1100011132001
5 Quinary 20333301141
6 Senary 2025550025
8 Octal 120053601
10 Decimal 20993921
12 Duodecimal 7045315
16 Hexadecimal 1405781
20 Vigesimal 6b44g1
36 Base36 chz0h

Cryptographic Hash Functions

md5 a500000c02bad516911983379211ceb1
sha1 ebb0cdf1ca4429d885c6ee205348b96b726abb78
sha256 e19faff459a8c755a5bcd18d0ff2aa15940e179599d6f1bd88be5e94255f7b63
sha512 1c57801aedc01a686ad33664148ef3af0799147e2c7e97110f9006f6ba5e4a52f071654779d6d1749967dc6d7cadb4735becfb92cee2a2bdad6cce0538da5384
ripemd-160 1748a8255f9554adc677168a42f229c2a89d16b8

20993921 as geometric shapes

Circle

Radius = n
Diameter 41987842
Circumference 131908695.96729
Area 1.3846403711751E+15

Sphere

Radius = n
Volume 3.8758707421149E+22
Surface area 5.5385614847006E+15
Circumference 131908695.96729

Square

Length = n
Perimeter 83975684
Area 440744718954241
Diagonal 29689887.805589

Cube

Length = n
Surface area 2644468313725446
Volume 9.2529598108925E+21
Space diagonal 36362537.822087

Equilateral Triangle

Length = n
Perimeter 62981763
Area 1.908480615991E+14
Altitude 18181268.911044

Triangular Pyramid

Length = n
Surface area 1.908480615991E+14
Volume 1.0904717713881E+21
Height 9896629.2685298