20993985 (number)

20993985 is an odd 8-digits composite number following 20993984 and preceding 20993986. In scientific notation, it is written as 2.0993985 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 10870848 positive integers (up to 20993985) that are relatively prime to 20993985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0993985 × 10^7
Engineering notation 2.0993985 × 10^6

Prime Factorization of 20993985

Prime Factorization 5 × 9 × 333 × 3 × 467

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20993985
Product of the distinct prime numbers

The prime factorization of 20993985 is 5 × 9 × 333 × 3 × 467. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 63, 65, 515, 511, 6018, 33, 46744, 70429, 57188, 538854, 1724301, 7840037, 30233353, 76688646, 536737159, 968247448, 8506156170, 6223471768

Basic calculations (n = 20993985)

Multiplication

n×y
n×2 41987970
n×3 62981955
n×4 83975940
n×5 104969925

Division

n÷y
n÷2 10496992.5
n÷3 6997995
n÷3 5248496.25
n÷5 4198797

Exponentiation

ny
n2 440747406180225
n3 9.2530444341366E+21
n4 1.942582760546E+29
n5 4.0782553336161E+36

Nth Root

y√n
2√n 4581.9193576491
3√n 275.86607396574
4√n 67.68987633058
5√n 29.135265264385

Divisors of 20993985

1, 3, 5, 9, 15, 27, 45, 135, 333, 467, 999, 1401, 1665, 2335, 2997, 4203, 4995, 7005, 8991, 12609, 14985, 21015, 44955, 63045, 155511, 466533, 777555, 1399599, 2332665, 4198797, 6997995, 20993985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20993984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20993985 can be divided by 32 positive divisors. The sum of these divisors (counting 20993985) is 1, the average is 0.03125.

Base conversion 20993985

Base System Value
2 Binary 1010000000101011111000001
3 Ternary 1110111121100000
4 Quaternary 1100011133001
5 Quinary 20333301420
6 Senary 2025550213
8 Octal 120053701
10 Decimal 20993985
12 Duodecimal 7045369
16 Hexadecimal 14057c1
20 Vigesimal 6b44j5
36 Base36 chz29

Cryptographic Hash Functions

md5 18a6241579215d2ad709eb0e6f9e6425
sha1 dba0b2a52d10eab41734b48289d2f1dab36a43b2
sha256 983e3d87a6a5631390f78b034fcdada7d734f862ec76e51bc03a166c74555617
sha512 208e8dfc45074ace7cc0923a7a48d01e13397d9a0eef96eb5b6deee7f4bb4830968ab23efa694c996cb3d7421746c846efe8422a790a0a8cc9fdaf2e3615443b
ripemd-160 653b106c67b88af0d3cbced4aa6315de89a2efec

20993985 as geometric shapes

Circle

Radius = n
Diameter 41987970
Circumference 131909098.09115
Area 1.3846488133446E+15

Sphere

Radius = n
Volume 3.8759061890164E+22
Surface area 5.5385952533782E+15
Circumference 131909098.09115

Square

Length = n
Perimeter 83975940
Area 440747406180225
Diagonal 29689978.315257

Cube

Length = n
Surface area 2644484437081350
Volume 9.2530444341366E+21
Space diagonal 36362648.673339

Equilateral Triangle

Length = n
Perimeter 62981955
Area 1.9084922520209E+14
Altitude 18181324.336669

Triangular Pyramid

Length = n
Surface area 1.9084922520209E+14
Volume 1.0904817443331E+21
Height 9896659.4384191