21931384 (number)

21931384 is an even 8-digits composite number following 21931383 and preceding 21931385. In scientific notation, it is written as 2.1931384 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors. There are 10533600 positive integers (up to 21931384) that are relatively prime to 21931384.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand three hundred eighty-four

Notation

Scientific notation 2.1931384 × 10^7
Engineering notation 2.1931384 × 10^6

Prime Factorization of 21931384

Prime Factorization 2 × 2 × 2 × 191 × 31 × 463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5482846
Product of the distinct prime numbers

The prime factorization of 21931384 is 2 × 2 × 2 × 191 × 31 × 463. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931384)

Multiplication

n×y
n×2 43862768
n×3 65794152
n×4 87725536
n×5 109656920

Division

n÷y
n÷2 10965692
n÷3 7310461.3333333
n÷3 5482846
n÷5 4386276.8

Exponentiation

ny
n2 480985604155456
n3 1.0548679983205E+22
n4 2.3134715140479E+29
n5 5.0737632147646E+36

Nth Root

y√n
2√n 4683.0955574278
3√n 279.91231948495
4√n 68.433146628135
5√n 29.39092183853

Divisors of 21931384

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931383
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931384 can be divided by 32 positive divisors. The sum of these divisors (counting 21931384) is 1, the average is 0.03125.

Base conversion 21931384

Base System Value
2 Binary 1010011101010010101111000
3 Ternary 1112021020012111
4 Quaternary 1103222111320
5 Quinary 21103301014
6 Senary 2102022104
8 Octal 123522570
10 Decimal 21931384
12 Duodecimal 7417934
16 Hexadecimal 14ea578
20 Vigesimal 6h1894
36 Base36 d22d4

Cryptographic Hash Functions

md5 3098bb7e6a7d79729a8e5df5c8490f3d
sha1 fb38b28cf1b3c17ddf288bd9c93fbba56625080a
sha256 6f9ccd300c648e6a6fe0f93ed7569fa706f432dc942916cc8670cc5177e9608b
sha512 51012787a260f83990d177fdb2794c433f1394f56e4ac80cfed9166a1e4d8267a8e040bda5d11d5557bf33fe23c4665e4f2f02decc8043da128d38d44013d19e
ripemd-160 f04c0bb8b459da1d65196074c3d1b0c390ba9c67

21931384 as geometric shapes

Circle

Radius = n
Diameter 43862768
Circumference 137798949.71491
Area 1.5110608404972E+15

Sphere

Radius = n
Volume 4.4186207387077E+22
Surface area 6.0442433619889E+15
Circumference 137798949.71491

Square

Length = n
Perimeter 87725536
Area 480985604155456
Diagonal 31015660.694412

Cube

Length = n
Surface area 2885913624932736
Volume 1.0548679983205E+22
Space diagonal 37986271.368303

Equilateral Triangle

Length = n
Perimeter 65794152
Area 2.0827287602662E+14
Altitude 18993135.684152

Triangular Pyramid

Length = n
Surface area 2.0827287602662E+14
Volume 1.2431738581152E+21
Height 10338553.564804