20993945 (number)

20993945 is an odd 8-digits composite number following 20993944 and preceding 20993946. In scientific notation, it is written as 2.0993945 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 14261184 positive integers (up to 20993945) that are relatively prime to 20993945.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-three thousand nine hundred forty-five

Notation

Scientific notation 2.0993945 × 10^7
Engineering notation 2.0993945 × 10^6

Prime Factorization of 20993945

Prime Factorization 109 × 35 × 5503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20993945
Product of the distinct prime numbers

The prime factorization of 20993945 is 109 × 35 × 5503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20993945)

Multiplication

n×y
n×2 41987890
n×3 62981835
n×4 83975780
n×5 104969725

Division

n÷y
n÷2 10496972.5
n÷3 6997981.6666667
n÷3 5248486.25
n÷5 4198789

Exponentiation

ny
n2 440745726663025
n3 9.2529915445486E+21
n4 1.9425679557172E+29
n5 4.0782164821089E+36

Nth Root

y√n
2√n 4581.9149926641
3√n 275.86589876238
4√n 67.689844088047
5√n 29.135254162047

Divisors of 20993945

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 -20993944
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 20993945 can be divided by 8 positive divisors. The sum of these divisors (counting 20993945) is 1, the average is 0.125.

Base conversion 20993945

Base System Value
2 Binary 1010000000101011110011001
3 Ternary 1110111121021112
4 Quaternary 1100011132121
5 Quinary 20333301240
6 Senary 2025550105
8 Octal 120053631
10 Decimal 20993945
12 Duodecimal 7045335
16 Hexadecimal 1405799
20 Vigesimal 6b44h5
36 Base36 chz15

Cryptographic Hash Functions

md5 65b162f3990c4acb72763be42e64cf01
sha1 6ca5b034535f4d3917b194c0d6613a896329ad12
sha256 806d372fe2a661a989ee87f730264bc1ac4fe5d84432c0b6a132e223bbd5a3c7
sha512 1def03729376b741d94fd71643c8898306aba8ab0c556be58865d75e7d75b01859572cffd82d614e1add964c59888c621ac1429d5fb41a401fe7749b74bf188e
ripemd-160 94450517997bc46bb98baff3ff353932a5ce3f1a

20993945 as geometric shapes

Circle

Radius = n
Diameter 41987890
Circumference 131908846.76374
Area 1.3846435369857E+15

Sphere

Radius = n
Volume 3.8758840346776E+22
Surface area 5.5385741479426E+15
Circumference 131908846.76374

Square

Length = n
Perimeter 83975780
Area 440745726663025
Diagonal 29689921.746715

Cube

Length = n
Surface area 2644474359978150
Volume 9.2529915445486E+21
Space diagonal 36362579.391307

Equilateral Triangle

Length = n
Perimeter 62981835
Area 1.9084849794981E+14
Altitude 18181289.695653

Triangular Pyramid

Length = n
Surface area 1.9084849794981E+14
Volume 1.0904755112353E+21
Height 9896640.5822383