21491722 (number)

21491722 is an even 8-digits composite number following 21491721 and preceding 21491723. In scientific notation, it is written as 2.1491722 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9210732 positive integers (up to 21491722) that are relatively prime to 21491722.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand seven hundred twenty-two

Notation

Scientific notation 2.1491722 × 10^7
Engineering notation 2.1491722 × 10^6

Prime Factorization of 21491722

Prime Factorization 2 × 7 × 1535123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491722
Product of the distinct prime numbers

The prime factorization of 21491722 is 2 × 7 × 1535123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491722)

Multiplication

n×y
n×2 42983444
n×3 64475166
n×4 85966888
n×5 107458610

Division

n÷y
n÷2 10745861
n÷3 7163907.3333333
n÷3 5372930.5
n÷5 4298344.4

Exponentiation

ny
n2 461894114525284
n3 9.9268999028136E+21
n4 2.133461730331E+29
n5 4.5851766405912E+36

Nth Root

y√n
2√n 4635.916522113
3√n 278.02919659541
4√n 68.087565106361
5√n 29.272124447931

Divisors of 21491722

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 -21491721
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 21491722 can be divided by 8 positive divisors. The sum of these divisors (counting 21491722) is 1, the average is 0.125.

Base conversion 21491722

Base System Value
2 Binary 1010001111111000000001010
3 Ternary 1111102220002201
4 Quaternary 1101333000022
5 Quinary 21000213342
6 Senary 2044350414
8 Octal 121770012
10 Decimal 21491722
12 Duodecimal 724540a
16 Hexadecimal 147f00a
20 Vigesimal 6e6962
36 Base36 csn4a

Cryptographic Hash Functions

md5 9a985a1772c2b454e12a100b47283cc2
sha1 e2a86c7699db1e530d0585294216d79cde2cb48a
sha256 39dd1ea69987e9476e9ceacd599c8d7538b7069ede79c8a6c4f2b60de0fedf37
sha512 30042e097573ffc6db7fd769ddeb28e22942661d21a14598cac5deb30c3fde6299cdeab0914ac76c4d2385c5d2d9df7d55d537a351a9e5339d9db9a3c01af28e
ripemd-160 79d86771bc531ccd3d73268c9636ec1c2bcd6373

21491722 as geometric shapes

Circle

Radius = n
Diameter 42983444
Circumference 135036471.89639
Area 1.451083156929E+15

Sphere

Radius = n
Volume 4.15817010768E+22
Surface area 5.804332627716E+15
Circumference 135036471.89639

Square

Length = n
Perimeter 85966888
Area 461894114525284
Diagonal 30393884.731152

Cube

Length = n
Surface area 2771364687151704
Volume 9.9268999028136E+21
Space diagonal 37224754.446146

Equilateral Triangle

Length = n
Perimeter 64475166
Area 2.0000601851871E+14
Altitude 18612377.223073

Triangular Pyramid

Length = n
Surface area 2.0000601851871E+14
Volume 1.1698963729066E+21
Height 10131294.910384