20863921 (number)

20863921 is an odd 8-digits composite number following 20863920 and preceding 20863922. In scientific notation, it is written as 2.0863921 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18421392 positive integers (up to 20863921) that are relatively prime to 20863921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0863921 × 10^7
Engineering notation 2.0863921 × 10^6

Prime Factorization of 20863921

Prime Factorization 13 × 23 × 69779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20863921
Product of the distinct prime numbers

The prime factorization of 20863921 is 13 × 23 × 69779. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20863921)

Multiplication

n×y
n×2 41727842
n×3 62591763
n×4 83455684
n×5 104319605

Division

n÷y
n÷2 10431960.5
n÷3 6954640.3333333
n÷3 5215980.25
n÷5 4172784.2

Exponentiation

ny
n2 435303199494241
n3 9.0821315652951E+21
n4 1.8948887548992E+29
n5 3.9534809286006E+36

Nth Root

y√n
2√n 4567.7041278962
3√n 275.29520255657
4√n 67.584792134741
5√n 29.099075137474

Divisors of 20863921

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 -20863920
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 20863921 can be divided by 8 positive divisors. The sum of these divisors (counting 20863921) is 1, the average is 0.125.

Base conversion 20863921

Base System Value
2 Binary 1001111100101101110110001
3 Ternary 1110020222220211
4 Quaternary 1033211232301
5 Quinary 20320121141
6 Senary 2023104121
8 Octal 117455661
10 Decimal 20863921
12 Duodecimal 6ba2041
16 Hexadecimal 13e5bb1
20 Vigesimal 6a7jg1
36 Base36 cf6pd

Cryptographic Hash Functions

md5 bc2bdbadb2a45a13166606b67cea6a37
sha1 05c329db55136d170e04d95bfbd5753d670b2837
sha256 ac962e9a6434d5a6d2ec6c5035f77dd478b00ef98859e354d1aef0eae0d9e1f7
sha512 59b053ddea62d1deb39b074f9bcc8577ae12fc6abe3e95bc37f8c8ac8dce5152e4605bc0fa2c7c2ee5d3b242a751a6eb3bfe0093b25355f2f6dc8367b9ff9ab5
ripemd-160 5c174d867aadcfbabae7057633966ce275342ebf

20863921 as geometric shapes

Circle

Radius = n
Diameter 41727842
Circumference 131091881.87736
Area 1.3675453336152E+15

Sphere

Radius = n
Volume 3.8043143739289E+22
Surface area 5.470181334461E+15
Circumference 131091881.87736

Square

Length = n
Perimeter 83455684
Area 435303199494241
Diagonal 29506040.042481

Cube

Length = n
Surface area 2611819196965446
Volume 9.0821315652951E+21
Space diagonal 36137371.217103

Equilateral Triangle

Length = n
Perimeter 62591763
Area 1.8849181455533E+14
Altitude 18068685.608552

Triangular Pyramid

Length = n
Surface area 1.8849181455533E+14
Volume 1.0703394695748E+21
Height 9835346.6808269