21746721 (number)

21746721 is an odd 8-digits composite number following 21746720 and preceding 21746722. In scientific notation, it is written as 2.1746721 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14348160 positive integers (up to 21746721) that are relatively prime to 21746721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1746721 × 10^7
Engineering notation 2.1746721 × 10^6

Prime Factorization of 21746721

Prime Factorization 3 × 97 × 74731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21746721
Product of the distinct prime numbers

The prime factorization of 21746721 is 3 × 97 × 74731. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21746721)

Multiplication

n×y
n×2 43493442
n×3 65240163
n×4 86986884
n×5 108733605

Division

n÷y
n÷2 10873360.5
n÷3 7248907
n÷3 5436680.25
n÷5 4349344.2

Exponentiation

ny
n2 472919874251841
n3 1.028445656071E+22
n4 2.2365320746238E+29
n5 4.8637239034394E+36

Nth Root

y√n
2√n 4663.3379675936
3√n 279.12448036576
4√n 68.288637177744
5√n 29.341259780662

Divisors of 21746721

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 -21746720
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 21746721 can be divided by 8 positive divisors. The sum of these divisors (counting 21746721) is 1, the average is 0.125.

Base conversion 21746721

Base System Value
2 Binary 1010010111101010000100001
3 Ternary 1111220211220010
4 Quaternary 1102331100201
5 Quinary 21031343341
6 Senary 2054035133
8 Octal 122752041
10 Decimal 21746721
12 Duodecimal 7348aa9
16 Hexadecimal 14bd421
20 Vigesimal 6fi6g1
36 Base36 cy3vl

Cryptographic Hash Functions

md5 fc2479c4952b64ef55839f3a6d8fc292
sha1 98f9687f1ccc3956fd6b965819a17b90b41823df
sha256 76c01960ed27410dc662a017ab8a8d586b6e73dadf973f23c90794b7209d0f78
sha512 5ed149de6f41b94d54c308b3d746dd39c82c104beee61ba1eaed2eeacf12853b6dbd2b33a2c9cc995d2f3b636d900db9fca0ba4b71c0233a84b9a8a8b1c02e83
ripemd-160 0b58fc4848ff1ebefe43e72a156fbe1e5346930f

21746721 as geometric shapes

Circle

Radius = n
Diameter 43493442
Circumference 136638677.86653
Area 1.4857216026862E+15

Sphere

Radius = n
Volume 4.3079430903053E+22
Surface area 5.9428864107448E+15
Circumference 136638677.86653

Square

Length = n
Perimeter 86986884
Area 472919874251841
Diagonal 30754507.775344

Cube

Length = n
Surface area 2837519245511046
Volume 1.028445656071E+22
Space diagonal 37666425.670025

Equilateral Triangle

Length = n
Perimeter 65240163
Area 2.0478031252832E+14
Altitude 18833212.835013

Triangular Pyramid

Length = n
Surface area 2.0478031252832E+14
Volume 1.2120348291494E+21
Height 10251502.591781