21931311 (number)

21931311 is an odd 8-digits composite number following 21931310 and preceding 21931312. In scientific notation, it is written as 2.1931311 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14402520 positive integers (up to 21931311) that are relatively prime to 21931311.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand three hundred eleven

Notation

Scientific notation 2.1931311 × 10^7
Engineering notation 2.1931311 × 10^6

Prime Factorization of 21931311

Prime Factorization 3 × 67 × 109111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21931311
Product of the distinct prime numbers

The prime factorization of 21931311 is 3 × 67 × 109111. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931311)

Multiplication

n×y
n×2 43862622
n×3 65793933
n×4 87725244
n×5 109656555

Division

n÷y
n÷2 10965655.5
n÷3 7310437
n÷3 5482827.75
n÷5 4386262.2

Exponentiation

ny
n2 480982402178721
n3 1.0548574647709E+22
n4 2.3134407120561E+29
n5 5.0736787736164E+36

Nth Root

y√n
2√n 4683.0877634313
3√n 279.91200891598
4√n 68.433089682049
5√n 29.390902272595

Divisors of 21931311

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 -21931310
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 21931311 can be divided by 8 positive divisors. The sum of these divisors (counting 21931311) is 1, the average is 0.125.

Base conversion 21931311

Base System Value
2 Binary 1010011101010010100101111
3 Ternary 1112021020002210
4 Quaternary 1103222110233
5 Quinary 21103300221
6 Senary 2102021503
8 Octal 123522457
10 Decimal 21931311
12 Duodecimal 7417893
16 Hexadecimal 14ea52f
20 Vigesimal 6h185b
36 Base36 d22b3

Cryptographic Hash Functions

md5 afb30d625336cf47131fc3ba957ddd9a
sha1 47df56a234cace1c1a28c227e821755d95054d0e
sha256 51142b872aef8a0d1eee2373f37261eaecf28bd6ddad81a9f5edc6d3ad71517f
sha512 f8fd6c8dc50a3981cefb8f2c4b2f83c1a2fe7e739e16941542704f637d663d97d78cdefb124d74503de990030e5b77dfd6e172574777145f64ffeeb8a9dfddd7
ripemd-160 e33e0c578cea3ddf3c828968a32f74828d95d41b

21931311 as geometric shapes

Circle

Radius = n
Diameter 43862622
Circumference 137798491.04239
Area 1.5110507811906E+15

Sphere

Radius = n
Volume 4.418576615878E+22
Surface area 6.0442031247626E+15
Circumference 137798491.04239

Square

Length = n
Perimeter 87725244
Area 480982402178721
Diagonal 31015557.456822

Cube

Length = n
Surface area 2885894413072326
Volume 1.0548574647709E+22
Space diagonal 37986144.928594

Equilateral Triangle

Length = n
Perimeter 65793933
Area 2.0827148953002E+14
Altitude 18993072.464297

Triangular Pyramid

Length = n
Surface area 2.0827148953002E+14
Volume 1.2431614442079E+21
Height 10338519.152274