20306721 (number)

20306721 is an odd 8-digits composite number following 20306720 and preceding 20306722. In scientific notation, it is written as 2.0306721 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12741440 positive integers (up to 20306721) that are relatively prime to 20306721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0306721 × 10^7
Engineering notation 2.0306721 × 10^6

Prime Factorization of 20306721

Prime Factorization 3 × 17 × 398171

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20306721
Product of the distinct prime numbers

The prime factorization of 20306721 is 3 × 17 × 398171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20306721)

Multiplication

n×y
n×2 40613442
n×3 60920163
n×4 81226884
n×5 101533605

Division

n÷y
n÷2 10153360.5
n÷3 6768907
n÷3 5076680.25
n÷5 4061344.2

Exponentiation

ny
n2 412362917771841
n3 8.3737387219387E+21
n4 1.7004317595331E+29
n5 3.4530193320377E+36

Nth Root

y√n
2√n 4506.2979262361
3√n 272.82234278495
4√n 67.128964882799
5√n 28.941961428332

Divisors of 20306721

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 -20306720
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 20306721 can be divided by 8 positive divisors. The sum of these divisors (counting 20306721) is 1, the average is 0.125.

Base conversion 20306721

Base System Value
2 Binary 1001101011101101100100001
3 Ternary 1102012200120210
4 Quaternary 1031131230201
5 Quinary 20144303341
6 Senary 2003124333
8 Octal 115355441
10 Decimal 20306721
12 Duodecimal 69736a9
16 Hexadecimal 135db21
20 Vigesimal 66i6g1
36 Base36 c38rl

Cryptographic Hash Functions

md5 25d75323e4f33bf391b619fc19832ff4
sha1 5a0aac5a9bf3c7fbe2e0f288efbd2dcfa1b1cc54
sha256 0e3289cd5d12b82a10fbadf9c6de52cd980093d2d10a197fd4c0d3679f2697ec
sha512 55abf8205d01d53fdddffbf6233d875e1077a13d1004ed2ed7aa7da7b1251d6ed5e046827b02bc16fb860373518a846ffd379be817fa28406741a7db888bfbaa
ripemd-160 2936dc665f5520a68f0e4ddfb3ed95bc712da491

20306721 as geometric shapes

Circle

Radius = n
Diameter 40613442
Circumference 127590891.0242
Area 1.2954763130849E+15

Sphere

Radius = n
Volume 3.5075834735897E+22
Surface area 5.1819052523395E+15
Circumference 127590891.0242

Square

Length = n
Perimeter 81226884
Area 412362917771841
Diagonal 28718040.245527

Cube

Length = n
Surface area 2474177506631046
Volume 8.3737387219387E+21
Space diagonal 35172272.507126

Equilateral Triangle

Length = n
Perimeter 60920163
Area 1.7855838118454E+14
Altitude 17586136.253563

Triangular Pyramid

Length = n
Surface area 1.7855838118454E+14
Volume 9.8685457236121E+20
Height 9572680.0818422