20126721 (number)

20126721 is an odd 8-digits composite number following 20126720 and preceding 20126722. In scientific notation, it is written as 2.0126721 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13417812 positive integers (up to 20126721) that are relatively prime to 20126721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0126721 × 10^7
Engineering notation 2.0126721 × 10^6

Prime Factorization of 20126721

Prime Factorization 3 × 6708907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20126721
Product of the distinct prime numbers

The prime factorization of 20126721 is 3 × 6708907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20126721)

Multiplication

n×y
n×2 40253442
n×3 60380163
n×4 80506884
n×5 100633605

Division

n÷y
n÷2 10063360.5
n÷3 6708907
n÷3 5031680.25
n÷5 4025344.2

Exponentiation

ny
n2 405084898211841
n3 8.1530307276231E+21
n4 1.640937747593E+29
n5 3.3026696224172E+36

Nth Root

y√n
2√n 4486.2814222917
3√n 272.01384463123
4√n 66.979709034093
5√n 28.890469875114

Divisors of 20126721

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 -20126720
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 20126721 can be divided by 4 positive divisors. The sum of these divisors (counting 20126721) is 1, the average is 0.25.

Base conversion 20126721

Base System Value
2 Binary 1001100110001110000000001
3 Ternary 1101212112200010
4 Quaternary 1030301300001
5 Quinary 20123023341
6 Senary 1555215133
8 Octal 114616001
10 Decimal 20126721
12 Duodecimal 68a74a9
16 Hexadecimal 1331c01
20 Vigesimal 65fgg1
36 Base36 bzdvl

Cryptographic Hash Functions

md5 7d48e9d67a4f8731f77d89208247b7da
sha1 a93d98122a295c924bec8f290455ae7ecf8c5427
sha256 b573daa35bd2577b2f898ef484c93f15177fbdeb67888938e730969287c719d7
sha512 9df3eb6b4e683a1387634f33c39b4f47b7b090777807d5b4a386e05894a86d12ab19c34c04e0efec7d641f1538362ae949e0b0687fed63675eecb145e4254407
ripemd-160 b09a356647a0f6625f437659d0e2f68365bc5d7d

20126721 as geometric shapes

Circle

Radius = n
Diameter 40253442
Circumference 126459917.6689
Area 1.2726117403025E+15

Sphere

Radius = n
Volume 3.415133525119E+22
Surface area 5.09044696121E+15
Circumference 126459917.6689

Square

Length = n
Perimeter 80506884
Area 405084898211841
Diagonal 28463481.804299

Cube

Length = n
Surface area 2430509389271046
Volume 8.1530307276231E+21
Space diagonal 34860503.361763

Equilateral Triangle

Length = n
Perimeter 60380163
Area 1.7540690627044E+14
Altitude 17430251.680882

Triangular Pyramid

Length = n
Surface area 1.7540690627044E+14
Volume 9.6084388578743E+20
Height 9487827.2680998