21931492 (number)

21931492 is an even 8-digits composite number following 21931491 and preceding 21931493. In scientific notation, it is written as 2.1931492 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 36 positive divisors. There are 9856000 positive integers (up to 21931492) that are relatively prime to 21931492.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand four hundred ninety-two

Notation

Scientific notation 2.1931492 × 10^7
Engineering notation 2.1931492 × 10^6

Prime Factorization of 21931492

Prime Factorization 2 × 2 × 11 × 113 × 11 × 401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 996886
Product of the distinct prime numbers

The prime factorization of 21931492 is 2 × 2 × 11 × 113 × 11 × 401. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931492)

Multiplication

n×y
n×2 43862984
n×3 65794476
n×4 87725968
n×5 109657460

Division

n÷y
n÷2 10965746
n÷3 7310497.3333333
n÷3 5482873
n÷5 4386298.4

Exponentiation

ny
n2 480990341346064
n3 1.0548835823308E+22
n4 2.313517084682E+29
n5 5.0738881434567E+36

Nth Root

y√n
2√n 4683.1070882481
3√n 279.91277895559
4√n 68.433230876878
5√n 29.390950785296

Divisors of 21931492

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931491
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931492 can be divided by 36 positive divisors. The sum of these divisors (counting 21931492) is 1, the average is 0.027777777777778.

Base conversion 21931492

Base System Value
2 Binary 1010011101010010111100100
3 Ternary 1112021020100111
4 Quaternary 1103222113210
5 Quinary 21103301432
6 Senary 2102022404
8 Octal 123522744
10 Decimal 21931492
12 Duodecimal 7417a04
16 Hexadecimal 14ea5e4
20 Vigesimal 6h18ec
36 Base36 d22g4

Cryptographic Hash Functions

md5 1a650940ba5c62a7022463c0c05d75ab
sha1 8f2e7d51ee1a9e3b9cb116b0339660ff13f6bd79
sha256 9d64b67905c4af8da61b2cb15441c492b5d09d603aa880d6257f7680ae29b42b
sha512 d6baf209c0da6f5630fcc51f408e618a5a95ebc5918d04b088180d7b52553ec2bf3ae928fdcc80561295e9196ce95df5e7a81b28a713bc5e079cc0c7700e3e69
ripemd-160 38c4c72e302f1bd3f618b93411660f8868cbb95a

21931492 as geometric shapes

Circle

Radius = n
Diameter 43862984
Circumference 137799628.29893
Area 1.5110757228204E+15

Sphere

Radius = n
Volume 4.4186860168574E+22
Surface area 6.0443028912818E+15
Circumference 137799628.29893

Square

Length = n
Perimeter 87725968
Area 480990341346064
Diagonal 31015813.429477

Cube

Length = n
Surface area 2885942048076384
Volume 1.0548835823308E+22
Space diagonal 37986458.42979

Equilateral Triangle

Length = n
Perimeter 65794476
Area 2.0827492729032E+14
Altitude 18993229.214895

Triangular Pyramid

Length = n
Surface area 2.0827492729032E+14
Volume 1.2431922240475E+21
Height 10338604.476492