20456721 (number)

20456721 is an odd 8-digits composite number following 20456720 and preceding 20456722. In scientific notation, it is written as 2.0456721 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13611264 positive integers (up to 20456721) that are relatively prime to 20456721.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 2.0456721 × 10^7
Engineering notation 2.0456721 × 10^6

Prime Factorization of 20456721

Prime Factorization 9 × 593 × 3833

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20456721
Product of the distinct prime numbers

The prime factorization of 20456721 is 9 × 593 × 3833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20456721)

Multiplication

n×y
n×2 40913442
n×3 61370163
n×4 81826884
n×5 102283605

Division

n÷y
n÷2 10228360.5
n÷3 6818907
n÷3 5114180.25
n÷5 4091344.2

Exponentiation

ny
n2 418477434071841
n3 8.5606761136035E+21
n4 1.7512336282735E+29
n5 3.5824497739409E+36

Nth Root

y√n
2√n 4522.9106778711
3√n 273.49244932793
4√n 67.252588633234
5√n 28.984592866541

Divisors of 20456721

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 -20456720
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 20456721 can be divided by 8 positive divisors. The sum of these divisors (counting 20456721) is 1, the average is 0.125.

Base conversion 20456721

Base System Value
2 Binary 1001110000010010100010001
3 Ternary 1102111022100100
4 Quaternary 1032002110101
5 Quinary 20214103341
6 Senary 2010243013
8 Octal 116022421
10 Decimal 20456721
12 Duodecimal 6a26469
16 Hexadecimal 1382511
20 Vigesimal 67h1g1
36 Base36 c6gi9

Cryptographic Hash Functions

md5 ac6de042de14329e04922fa627adf1f6
sha1 7af752f49e90c3782ef71f95f97ccfa584df2a9d
sha256 18f1ccdf5788f1fdab18ccba7a479c37ea8a71692abc7da5d8dc5ee5211fe84f
sha512 d5771573928461a3d3e2c1362e4cdee8085cd7154e8cde7cd0d046746611bbd07f99c9af81d83468a2c19b8fb3d345066b2c3b21f369f1ecad0b7e0f219e324a
ripemd-160 c09305d92e7cf2c5c53b9fd6eeebf54bc1582535

20456721 as geometric shapes

Circle

Radius = n
Diameter 40913442
Circumference 128533368.82027
Area 1.3146856325732E+15

Sphere

Radius = n
Volume 3.5858876251011E+22
Surface area 5.2587425302928E+15
Circumference 128533368.82027

Square

Length = n
Perimeter 81826884
Area 418477434071841
Diagonal 28930172.279883

Cube

Length = n
Surface area 2510864604431046
Volume 8.5606761136035E+21
Space diagonal 35432080.128261

Equilateral Triangle

Length = n
Perimeter 61370163
Area 1.8120604440837E+14
Altitude 17716040.064131

Triangular Pyramid

Length = n
Surface area 1.8120604440837E+14
Volume 1.0088853552451E+21
Height 9643390.7599608