20921393 (number)

20921393 is an odd 8-digits composite number following 20921392 and preceding 20921394. In scientific notation, it is written as 2.0921393 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20812800 positive integers (up to 20921393) that are relatively prime to 20921393.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred ninety-three

Notation

Scientific notation 2.0921393 × 10^7
Engineering notation 2.0921393 × 10^6

Prime Factorization of 20921393

Prime Factorization 193 × 108401

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921393
Product of the distinct prime numbers

The prime factorization of 20921393 is 193 × 108401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921393)

Multiplication

n×y
n×2 41842786
n×3 62764179
n×4 83685572
n×5 104606965

Division

n÷y
n÷2 10460696.5
n÷3 6973797.6666667
n÷3 5230348.25
n÷5 4184278.6

Exponentiation

ny
n2 437704685060449
n3 9.1573917340909E+21
n4 1.9158539132387E+29
n5 4.0082332649454E+36

Nth Root

y√n
2√n 4573.9909269696
3√n 275.54774793488
4√n 67.631286598508
5√n 29.115088832894

Divisors of 20921393

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 -20921392
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 20921393 can be divided by 4 positive divisors. The sum of these divisors (counting 20921393) is 1, the average is 0.25.

Base conversion 20921393

Base System Value
2 Binary 1001111110011110000110001
3 Ternary 1110100220202102
4 Quaternary 1033303300301
5 Quinary 20323441033
6 Senary 2024230145
8 Octal 117636061
10 Decimal 20921393
12 Duodecimal 700b355
16 Hexadecimal 13f3c31
20 Vigesimal 6af39d
36 Base36 cgf1t

Cryptographic Hash Functions

md5 11280d40344d888962d6558bf9fe9a3a
sha1 7d0d75c25f23096c2871e56aae50264251f975ce
sha256 56395b00d62fc40f46f384dcf1661d3152bbf4e1f3dde9a9c70eac156a2ce2a1
sha512 baa130db157a628fbeb31cf02432674e2cec4f3f54236c6d6fab59acd8538125c16a16eadd160deaa2a7918ea4c5f8403706197971354c59f1d08a1a4dd4f561
ripemd-160 7834776ac81769a27f23609c92ed9d251706e0ad

20921393 as geometric shapes

Circle

Radius = n
Diameter 41842786
Circumference 131452989.10333
Area 1.3750898230277E+15

Sphere

Radius = n
Volume 3.8358392797152E+22
Surface area 5.500359292111E+15
Circumference 131452989.10333

Square

Length = n
Perimeter 83685572
Area 437704685060449
Diagonal 29587317.724338

Cube

Length = n
Surface area 2626228110362694
Volume 9.1573917340909E+21
Space diagonal 36236915.641116

Equilateral Triangle

Length = n
Perimeter 62764179
Area 1.8953168830891E+14
Altitude 18118457.820558

Triangular Pyramid

Length = n
Surface area 1.8953168830891E+14
Volume 1.0792089655262E+21
Height 9862439.2414458