21931437 (number)

21931437 is an odd 8-digits composite number following 21931436 and preceding 21931438. In scientific notation, it is written as 2.1931437 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13291760 positive integers (up to 21931437) that are relatively prime to 21931437.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand four hundred thirty-seven

Notation

Scientific notation 2.1931437 × 10^7
Engineering notation 2.1931437 × 10^6

Prime Factorization of 21931437

Prime Factorization 3 × 11 × 664589

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21931437
Product of the distinct prime numbers

The prime factorization of 21931437 is 3 × 11 × 664589. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931437)

Multiplication

n×y
n×2 43862874
n×3 65794311
n×4 87725748
n×5 109657185

Division

n÷y
n÷2 10965718.5
n÷3 7310479
n÷3 5482859.25
n÷5 4386287.4

Exponentiation

ny
n2 480987928884969
n3 1.0548756460101E+22
n4 2.3134938773305E+29
n5 5.073824522056E+36

Nth Root

y√n
2√n 4683.1012160747
3√n 279.9125449661
4√n 68.433187972465
5√n 29.390936043902

Divisors of 21931437

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 -21931436
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 21931437 can be divided by 8 positive divisors. The sum of these divisors (counting 21931437) is 1, the average is 0.125.

Base conversion 21931437

Base System Value
2 Binary 1010011101010010110101101
3 Ternary 1112021020021110
4 Quaternary 1103222112231
5 Quinary 21103301222
6 Senary 2102022233
8 Octal 123522655
10 Decimal 21931437
12 Duodecimal 7417979
16 Hexadecimal 14ea5ad
20 Vigesimal 6h18bh
36 Base36 d22el

Cryptographic Hash Functions

md5 9b6fc0afd2b7d144d941d1fd41612b76
sha1 6f00323991e5286fc71f60b8f5076a61706cc7c7
sha256 7f8a3e3f3308f15de923c98dc3b383536a52dd8ac5003388eb5a6c4fb640de3b
sha512 69457e2049912ba62194024292a0d5a36e395ded1210ed4f93b80b3e57349704177de0360b86859b3b258fa83294af9f94c035bd04d32b66dc46a6b01865795f
ripemd-160 1402293db28be428406eeb30d1b13ec680e18871

21931437 as geometric shapes

Circle

Radius = n
Diameter 43862874
Circumference 137799282.72373
Area 1.5110681438504E+15

Sphere

Radius = n
Volume 4.4186527732749E+22
Surface area 6.0442725754016E+15
Circumference 137799282.72373

Square

Length = n
Perimeter 87725748
Area 480987928884969
Diagonal 31015735.647731

Cube

Length = n
Surface area 2885927573309814
Volume 1.0548756460101E+22
Space diagonal 37986363.166996

Equilateral Triangle

Length = n
Perimeter 65794311
Area 2.0827388266402E+14
Altitude 18993181.583498

Triangular Pyramid

Length = n
Surface area 2.0827388266402E+14
Volume 1.2431828710038E+21
Height 10338578.549244