21931442 (number)

21931442 is an even 8-digits composite number following 21931441 and preceding 21931443. In scientific notation, it is written as 2.1931442 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 10059600 positive integers (up to 21931442) that are relatively prime to 21931442.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931442 × 10^7
Engineering notation 2.1931442 × 10^6

Prime Factorization of 21931442

Prime Factorization 2 × 13 × 167 × 5051

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21931442
Product of the distinct prime numbers

The prime factorization of 21931442 is 2 × 13 × 167 × 5051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931442)

Multiplication

n×y
n×2 43862884
n×3 65794326
n×4 87725768
n×5 109657210

Division

n÷y
n÷2 10965721
n÷3 7310480.6666667
n÷3 5482860.5
n÷5 4386288.4

Exponentiation

ny
n2 480988148199364
n3 1.0548763674922E+22
n4 2.3134959870825E+29
n5 5.0738303057933E+36

Nth Root

y√n
2√n 4683.1017499089
3√n 279.91256623789
4√n 68.433191872869
5√n 29.39093738403

Divisors of 21931442

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931441
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931442 can be divided by 16 positive divisors. The sum of these divisors (counting 21931442) is 1, the average is 0.0625.

Base conversion 21931442

Base System Value
2 Binary 1010011101010010110110010
3 Ternary 1112021020021122
4 Quaternary 1103222112302
5 Quinary 21103301232
6 Senary 2102022242
8 Octal 123522662
10 Decimal 21931442
12 Duodecimal 7417982
16 Hexadecimal 14ea5b2
20 Vigesimal 6h18c2
36 Base36 d22eq

Cryptographic Hash Functions

md5 8786924fe4c6acd1c6a3640c3a57090e
sha1 4ea45450a5a0c4304208babc74a55781bcda0f6c
sha256 2d6911af6322b7bc78dc7a00ee6331bae37c9eca4205474e334c048bbac0b5b6
sha512 4df2c6f60ef56ff9f061da7707f0f284e953ff91865de9ed5116f800733230e2e59f0a1d6deb5338450b56ee6af4d2318bf9db44cc048e2373259d65ef761ea6
ripemd-160 566b8bb97c972dffddde8516ef7140cc8d33ed82

21931442 as geometric shapes

Circle

Radius = n
Diameter 43862884
Circumference 137799314.13966
Area 1.5110688328469E+15

Sphere

Radius = n
Volume 4.4186557954119E+22
Surface area 6.0442753313875E+15
Circumference 137799314.13966

Square

Length = n
Perimeter 87725768
Area 480988148199364
Diagonal 31015742.718799

Cube

Length = n
Surface area 2885928889196184
Volume 1.0548763674922E+22
Space diagonal 37986371.82725

Equilateral Triangle

Length = n
Perimeter 65794326
Area 2.0827397762994E+14
Altitude 18993185.913625

Triangular Pyramid

Length = n
Surface area 2.0827397762994E+14
Volume 1.2431837212786E+21
Height 10338580.906266