20953821 (number)

20953821 is an odd 8-digits composite number following 20953820 and preceding 20953822. In scientific notation, it is written as 2.0953821 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11973528 positive integers (up to 20953821) that are relatively prime to 20953821.

Interesting facts

Basic properties

Name

Name twenty million nine hundred fifty-three thousand eight hundred twenty-one

Notation

Scientific notation 2.0953821 × 10^7
Engineering notation 2.0953821 × 10^6

Prime Factorization of 20953821

Prime Factorization 21 × 7 × 142543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20953821
Product of the distinct prime numbers

The prime factorization of 20953821 is 21 × 7 × 142543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20953821)

Multiplication

n×y
n×2 41907642
n×3 62861463
n×4 83815284
n×5 104769105

Division

n÷y
n÷2 10476910.5
n÷3 6984607
n÷3 5238455.25
n÷5 4190764.2

Exponentiation

ny
n2 439062614500041
n3 9.2000394320259E+21
n4 1.9277597945161E+29
n5 4.0393933665287E+36

Nth Root

y√n
2√n 4577.534379991
3√n 275.69004008066
4√n 67.657478374464
5√n 29.124108875469

Divisors of 20953821

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 -20953820
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 20953821 can be divided by 8 positive divisors. The sum of these divisors (counting 20953821) is 1, the average is 0.125.

Base conversion 20953821

Base System Value
2 Binary 1001111111011101011011101
3 Ternary 1110102120020110
4 Quaternary 1033323223131
5 Quinary 20331010241
6 Senary 2025040233
8 Octal 117735335
10 Decimal 20953821
12 Duodecimal 7026079
16 Hexadecimal 13fbadd
20 Vigesimal 6aj4b1
36 Base36 ch42l

Cryptographic Hash Functions

md5 beab15d8aad81c4d445e30e046be0a6f
sha1 d6b2a6b47cc087ac217b55415ec6316378ed6f88
sha256 11463f905780070ba932d1d8e822e96c6f1399a001b70eb2f32ba9e2be712af9
sha512 7e7be3bf48a594b2c14efacb4023c1302a2970bb9fd76bb0609d2d1d7788edd76eccb1a556c7ce0c27e1a1156f5e6bb53fbce4ee0b65b0237e989d15b9a9950e
ripemd-160 0efabb1513ede1555bd44b933850395dba03a858

20953821 as geometric shapes

Circle

Radius = n
Diameter 41907642
Circumference 131656740.23647
Area 1.3793558841793E+15

Sphere

Radius = n
Volume 3.8537035056518E+22
Surface area 5.517423536717E+15
Circumference 131656740.23647

Square

Length = n
Perimeter 83815284
Area 439062614500041
Diagonal 29633177.841738

Cube

Length = n
Surface area 2634375687000246
Volume 9.2000394320259E+21
Space diagonal 36293082.584704

Equilateral Triangle

Length = n
Perimeter 62861463
Area 1.9011968900452E+14
Altitude 18146541.292352

Triangular Pyramid

Length = n
Surface area 1.9011968900452E+14
Volume 1.0842350449282E+21
Height 9877725.9472461