21721736 (number)

21721736 is an even 8-digits composite number following 21721735 and preceding 21721737. In scientific notation, it is written as 2.1721736 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors. There are 10860864 positive integers (up to 21721736) that are relatively prime to 21721736.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1721736 × 10^7
Engineering notation 2.1721736 × 10^6

Prime Factorization of 21721736

Prime Factorization 2 × 2 × 2 × 2715217

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5430434
Product of the distinct prime numbers

The prime factorization of 21721736 is 2 × 2 × 2 × 2715217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21721736)

Multiplication

n×y
n×2 43443472
n×3 65165208
n×4 86886944
n×5 108608680

Division

n÷y
n÷2 10860868
n÷3 7240578.6666667
n÷3 5430434
n÷5 4344347.2

Exponentiation

ny
n2 471833814853696
n3 1.0249049562125E+22
n4 2.2262714883939E+29
n5 4.835848153522E+36

Nth Root

y√n
2√n 4660.6583225978
3√n 279.01754320729
4√n 68.269014366679
5√n 29.334514593559

Divisors of 21721736

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 -21721735
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 21721736 can be divided by 8 positive divisors. The sum of these divisors (counting 21721736) is 1, the average is 0.125.

Base conversion 21721736

Base System Value
2 Binary 1010010110111001010001000
3 Ternary 1111212120121202
4 Quaternary 1102313022020
5 Quinary 21030043421
6 Senary 2053323332
8 Octal 122671210
10 Decimal 21721736
12 Duodecimal 7336548
16 Hexadecimal 14b7288
20 Vigesimal 6ff46g
36 Base36 cxklk

Cryptographic Hash Functions

md5 274b18faf14547b08b6b2110f8e1ce5b
sha1 9883086041c7c91649d46b1379ee1a037183085b
sha256 cd1f12af2419a177e0dd2b7d8a43017065e42f64e3dd180219cf42b1298d1716
sha512 50f8ce69a3adf7021bbc33a34e16f4b1e24880f7dd07616206d29454435a79d16a1f37b5d2bc67da553b3d1fe1f69ae78d49b5da513aa5cefb8f4db004a67da9
ripemd-160 f512e7a2c8d9a0e7f0dcc8a4bed6233e3ed65fbf

21721736 as geometric shapes

Circle

Radius = n
Diameter 43443472
Circumference 136481692.48163
Area 1.4823096464596E+15

Sphere

Radius = n
Volume 4.2931118414199E+22
Surface area 5.9292385858385E+15
Circumference 136481692.48163

Square

Length = n
Perimeter 86886944
Area 471833814853696
Diagonal 30719173.649488

Cube

Length = n
Surface area 2831002889122176
Volume 1.0249049562125E+22
Space diagonal 37623150.380598

Equilateral Triangle

Length = n
Perimeter 65165208
Area 2.0431003501391E+14
Altitude 18811575.190299

Triangular Pyramid

Length = n
Surface area 2.0431003501391E+14
Volume 1.2078620743493E+21
Height 10239724.549829