20993791 (number)

20993791 is an odd 8-digits composite number following 20993790 and preceding 20993792. In scientific notation, it is written as 2.0993791 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 16531200 positive integers (up to 20993791) that are relatively prime to 20993791.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0993791 × 10^7
Engineering notation 2.0993791 × 10^6

Prime Factorization of 20993791

Prime Factorization 7 × 13 × 281 × 821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20993791
Product of the distinct prime numbers

The prime factorization of 20993791 is 7 × 13 × 281 × 821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20993791)

Multiplication

n×y
n×2 41987582
n×3 62981373
n×4 83975164
n×5 104968955

Division

n÷y
n÷2 10496895.5
n÷3 6997930.3333333
n÷3 5248447.75
n÷5 4198758.2

Exponentiation

ny
n2 440739260551681
n3 9.2527879215165E+21
n4 1.9425109579164E+29
n5 4.0780669065707E+36

Nth Root

y√n
2√n 4581.8981874328
3√n 275.86522422738
4√n 67.689719953866
5√n 29.135211417891

Divisors of 20993791

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20993790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20993791 can be divided by 16 positive divisors. The sum of these divisors (counting 20993791) is 1, the average is 0.0625.

Base conversion 20993791

Base System Value
2 Binary 1010000000101011011111111
3 Ternary 1110111121001211
4 Quaternary 1100011123333
5 Quinary 20333300131
6 Senary 2025545251
8 Octal 120053377
10 Decimal 20993791
12 Duodecimal 7045227
16 Hexadecimal 14056ff
20 Vigesimal 6b449b
36 Base36 chywv

Cryptographic Hash Functions

md5 a3ac9f8b79c6dd1e422f59db9b657331
sha1 bf33d93c44a444733af51f2c054ba11dcdde1fc0
sha256 c23d2d5698581637c5fd66d8ef89eb22e2bb026e4c54cf0abcd2452d8367afd8
sha512 91df6d7a6384bbf47354078d31bad56b146fe348ca47709d66f885ab51c3d9cdda5459a021021f6a44a4a251d4610193e49e18e18ab5f86f4ef878f8d21603e1
ripemd-160 0617af62c7e1f2af42e9f3a4dbc89efca65c06ce

20993791 as geometric shapes

Circle

Radius = n
Diameter 41987582
Circumference 131907879.1532
Area 1.3846232230978E+15

Sphere

Radius = n
Volume 3.8757987412614E+22
Surface area 5.538492892391E+15
Circumference 131907879.1532

Square

Length = n
Perimeter 83975164
Area 440739260551681
Diagonal 29689703.957826

Cube

Length = n
Surface area 2644435563310086
Volume 9.2527879215165E+21
Space diagonal 36362312.655482

Equilateral Triangle

Length = n
Perimeter 62981373
Area 1.9084569804146E+14
Altitude 18181156.327741

Triangular Pyramid

Length = n
Surface area 1.9084569804146E+14
Volume 1.0904515140309E+21
Height 9896567.9859421