20122721 (number)

20122721 is an odd 8-digits composite number following 20122720 and preceding 20122722. In scientific notation, it is written as 2.0122721 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 19694532 positive integers (up to 20122721) that are relatively prime to 20122721.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-two thousand seven hundred twenty-one

Notation

Scientific notation 2.0122721 × 10^7
Engineering notation 2.0122721 × 10^6

Prime Factorization of 20122721

Prime Factorization 47 × 428143

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20122721
Product of the distinct prime numbers

The prime factorization of 20122721 is 47 × 428143. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20122721)

Multiplication

n×y
n×2 40245442
n×3 60368163
n×4 80490884
n×5 100613605

Division

n÷y
n÷2 10061360.5
n÷3 6707573.6666667
n÷3 5030680.25
n÷5 4024544.2

Exponentiation

ny
n2 404923900443841
n3 8.1481706748632E+21
n4 1.6396336515065E+29
n5 3.2993890511477E+36

Nth Root

y√n
2√n 4485.8355966308
3√n 271.99582335715
4√n 66.97638088633
5√n 28.889321440977

Divisors of 20122721

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 -20122720
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 20122721 can be divided by 4 positive divisors. The sum of these divisors (counting 20122721) is 1, the average is 0.25.

Base conversion 20122721

Base System Value
2 Binary 1001100110000110001100001
3 Ternary 1101212100011222
4 Quaternary 1030300301201
5 Quinary 20122411341
6 Senary 1555144425
8 Octal 114606141
10 Decimal 20122721
12 Duodecimal 68a5115
16 Hexadecimal 1330c61
20 Vigesimal 65f6g1
36 Base36 bzash

Cryptographic Hash Functions

md5 449ed6071fcbe124b31db3d31b88bc43
sha1 6342a111386db98276ee52614ac68918901cb499
sha256 4506b9286661e5f63a6771354d1288e9f190bdf5367b6c803dcf225f6acb1bea
sha512 1194629dd4e97444b505a056addc4ad7d6e64a6d95a4ac6c4b790fa31e4a3c52d871c50c3f9995dc3b86baaddbc7767a1e5cb01ba906eba1ede30b3672b7461e
ripemd-160 a9b90b0f65df44cb8599ba2df5249364648c7ca9

20122721 as geometric shapes

Circle

Radius = n
Diameter 40245442
Circumference 126434784.92767
Area 1.2721059508973E+15

Sphere

Radius = n
Volume 3.4130977509795E+22
Surface area 5.0884238035892E+15
Circumference 126434784.92767

Square

Length = n
Perimeter 80490884
Area 404923900443841
Diagonal 28457824.95005

Cube

Length = n
Surface area 2429543402663046
Volume 8.1481706748632E+21
Space diagonal 34853575.158533

Equilateral Triangle

Length = n
Perimeter 60368163
Area 1.7533719219192E+14
Altitude 17426787.579267

Triangular Pyramid

Length = n
Surface area 1.7533719219192E+14
Volume 9.6027112307685E+20
Height 9485941.6500166