21931749 (number)

21931749 is an odd 8-digits composite number following 21931748 and preceding 21931750. In scientific notation, it is written as 2.1931749 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 12532320 positive integers (up to 21931749) that are relatively prime to 21931749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931749 × 10^7
Engineering notation 2.1931749 × 10^6

Prime Factorization of 21931749

Prime Factorization 63 × 3 × 116041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21931749
Product of the distinct prime numbers

The prime factorization of 21931749 is 63 × 3 × 116041. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931749)

Multiplication

n×y
n×2 43863498
n×3 65795247
n×4 87726996
n×5 109658745

Division

n÷y
n÷2 10965874.5
n÷3 7310583
n÷3 5482937.25
n÷5 4386349.8

Exponentiation

ny
n2 481001614199001
n3 1.0549206671207E+22
n4 2.3136255286204E+29
n5 5.0741854373696E+36

Nth Root

y√n
2√n 4683.1345272157
3√n 279.91387231946
4√n 68.433431356434
5√n 29.391019667422

Divisors of 21931749

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 -21931748
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 21931749 can be divided by 8 positive divisors. The sum of these divisors (counting 21931749) is 1, the average is 0.125.

Base conversion 21931749

Base System Value
2 Binary 1010011101010011011100101
3 Ternary 1112021020201000
4 Quaternary 1103222123211
5 Quinary 21103303444
6 Senary 2102023513
8 Octal 123523345
10 Decimal 21931749
12 Duodecimal 7417b99
16 Hexadecimal 14ea6e5
20 Vigesimal 6h1979
36 Base36 d22n9

Cryptographic Hash Functions

md5 4811272cdd8b403b39c5c2044d921540
sha1 4bcbf8fa67aa2942bd3131d404cd658ab4d55363
sha256 d24d2fe9af2f25192bc8ebd682910fbe76ba37eae6d52b69ba53a354f71d82fb
sha512 805b3d06025c1e525689c7b03872a8f9f0700118c1ca04b219c56f332aa50a0bd62bd238ed6c990d4662f0baabc7415712bc66e62b217a92e257fc833c1dbea2
ripemd-160 c1103ed7f0e843e9e24486c27e0b03e66d2dd63f

21931749 as geometric shapes

Circle

Radius = n
Diameter 43863498
Circumference 137801243.07755
Area 1.5111111375324E+15

Sphere

Radius = n
Volume 4.418841357262E+22
Surface area 6.0444445501297E+15
Circumference 137801243.07755

Square

Length = n
Perimeter 87726996
Area 481001614199001
Diagonal 31016176.882363

Cube

Length = n
Surface area 2886009685194006
Volume 1.0549206671207E+22
Space diagonal 37986903.566848

Equilateral Triangle

Length = n
Perimeter 65795247
Area 2.0827980857883E+14
Altitude 18993451.783424

Triangular Pyramid

Length = n
Surface area 2.0827980857883E+14
Volume 1.2432359288915E+21
Height 10338725.627454