21931432 (number)

21931432 is an even 8-digits composite number following 21931431 and preceding 21931433. In scientific notation, it is written as 2.1931432 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors. There are 10950960 positive integers (up to 21931432) that are relatively prime to 21931432.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931432 × 10^7
Engineering notation 2.1931432 × 10^6

Prime Factorization of 21931432

Prime Factorization 2 × 2 × 2 × 1031 × 2659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5482858
Product of the distinct prime numbers

The prime factorization of 21931432 is 2 × 2 × 2 × 1031 × 2659. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931432)

Multiplication

n×y
n×2 43862864
n×3 65794296
n×4 87725728
n×5 109657160

Division

n÷y
n÷2 10965716
n÷3 7310477.3333333
n÷3 5482858
n÷5 4386286.4

Exponentiation

ny
n2 480987709570624
n3 1.0548749245284E+22
n4 2.3134917675799E+29
n5 5.0738187383239E+36

Nth Root

y√n
2√n 4683.1006822403
3√n 279.91252369431
4√n 68.433184072059
5√n 29.390934703773

Divisors of 21931432

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 -21931431
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 21931432 can be divided by 16 positive divisors. The sum of these divisors (counting 21931432) is 1, the average is 0.0625.

Base conversion 21931432

Base System Value
2 Binary 1010011101010010110101000
3 Ternary 1112021020021021
4 Quaternary 1103222112220
5 Quinary 21103301212
6 Senary 2102022224
8 Octal 123522650
10 Decimal 21931432
12 Duodecimal 7417974
16 Hexadecimal 14ea5a8
20 Vigesimal 6h18bc
36 Base36 d22eg

Cryptographic Hash Functions

md5 f428a2dd7260f3b3cd273992e867175b
sha1 109422fe479563b0d75ecc6bb35ec2c1a04b09dc
sha256 6d05dec66a3eb6f882886916ddd457176ee34eacdb07a789e27b27d8c7aec836
sha512 c568ec4a8aad9c6ed6449d39344fb763c1c471f0282e169416e904fbcf18446ae44320e3a4cfc0e5ced45c6db2e820dd352be5e072b609f9cd21af300f68b086
ripemd-160 9a11fc21c020b332be2fb162af0406d2c482b2a1

21931432 as geometric shapes

Circle

Radius = n
Diameter 43862864
Circumference 137799251.30781
Area 1.5110674548541E+15

Sphere

Radius = n
Volume 4.4186497511393E+22
Surface area 6.0442698194162E+15
Circumference 137799251.30781

Square

Length = n
Perimeter 87725728
Area 480987709570624
Diagonal 31015728.576663

Cube

Length = n
Surface area 2885926257423744
Volume 1.0548749245284E+22
Space diagonal 37986354.506742

Equilateral Triangle

Length = n
Perimeter 65794296
Area 2.0827378769813E+14
Altitude 18993177.253371

Triangular Pyramid

Length = n
Surface area 2.0827378769813E+14
Volume 1.2431820207295E+21
Height 10338576.192221