20993821 (number)

20993821 is an odd 8-digits composite number following 20993820 and preceding 20993822. In scientific notation, it is written as 2.0993821 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20649600 positive integers (up to 20993821) that are relatively prime to 20993821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0993821 × 10^7
Engineering notation 2.0993821 × 10^6

Prime Factorization of 20993821

Prime Factorization 61 × 344161

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20993821
Product of the distinct prime numbers

The prime factorization of 20993821 is 61 × 344161. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20993821)

Multiplication

n×y
n×2 41987642
n×3 62981463
n×4 83975284
n×5 104969105

Division

n÷y
n÷2 10496910.5
n÷3 6997940.3333333
n÷3 5248455.25
n÷5 4198764.2

Exponentiation

ny
n2 440740520180041
n3 9.2528275881067E+21
n4 1.9425220612857E+29
n5 4.0780960443184E+36

Nth Root

y√n
2√n 4581.901461184
3√n 275.86535563056
4√n 67.689744135903
5√n 29.135219744695

Divisors of 20993821

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 -20993820
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 20993821 can be divided by 4 positive divisors. The sum of these divisors (counting 20993821) is 1, the average is 0.25.

Base conversion 20993821

Base System Value
2 Binary 1010000000101011100011101
3 Ternary 1110111121002221
4 Quaternary 1100011130131
5 Quinary 20333300241
6 Senary 2025545341
8 Octal 120053435
10 Decimal 20993821
12 Duodecimal 7045251
16 Hexadecimal 140571d
20 Vigesimal 6b44b1
36 Base36 chyxp

Cryptographic Hash Functions

md5 0ca4f34303532c72ad828fa184382fc9
sha1 b52b05377ac857c64035cbba0004c6ef12727c9b
sha256 77d6436bfae61c4717bd06201a4fe126d476b69e6c4812a34d4ce07612eb1e15
sha512 c7aa8fdd2b61cf2bb4237bf568c8a00b7622855567dbd342dfbabfcbaac0a49c257e3efe26215e5718362819b9e9b73e6c30e6c0edc9e6e27239a84da16859f6
ripemd-160 7e0cefea159b8eb06c5c1c1b2deb3926da64e8fb

20993821 as geometric shapes

Circle

Radius = n
Diameter 41987642
Circumference 131908067.64876
Area 1.384627180337E+15

Sphere

Radius = n
Volume 3.8758153567638E+22
Surface area 5.5385087213478E+15
Circumference 131908067.64876

Square

Length = n
Perimeter 83975284
Area 440740520180041
Diagonal 29689746.384233

Cube

Length = n
Surface area 2644443121080246
Volume 9.2528275881067E+21
Space diagonal 36362364.617006

Equilateral Triangle

Length = n
Perimeter 62981463
Area 1.9084624347654E+14
Altitude 18181182.308503

Triangular Pyramid

Length = n
Surface area 1.9084624347654E+14
Volume 1.0904561887834E+21
Height 9896582.1280777