21432785 (number)

21432785 is an odd 8-digits composite number following 21432784 and preceding 21432786. In scientific notation, it is written as 2.1432785 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 15587440 positive integers (up to 21432785) that are relatively prime to 21432785.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-two thousand seven hundred eighty-five

Notation

Scientific notation 2.1432785 × 10^7
Engineering notation 2.1432785 × 10^6

Prime Factorization of 21432785

Prime Factorization 55 × 389687

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21432785
Product of the distinct prime numbers

The prime factorization of 21432785 is 55 × 389687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21432785)

Multiplication

n×y
n×2 42865570
n×3 64298355
n×4 85731140
n×5 107163925

Division

n÷y
n÷2 10716392.5
n÷3 7144261.6666667
n÷3 5358196.25
n÷5 4286557

Exponentiation

ny
n2 459364272856225
n3 9.8454556968088E+21
n4 2.1101553517673E+29
n5 4.5226505971028E+36

Nth Root

y√n
2√n 4629.5555942228
3√n 277.77481635361
4√n 68.040837694893
5√n 29.256052150466

Divisors of 21432785

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21432784
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21432785 can be divided by 4 positive divisors. The sum of these divisors (counting 21432785) is 1, the average is 0.25.

Base conversion 21432785

Base System Value
2 Binary 1010001110000100111010001
3 Ternary 1111022220020212
4 Quaternary 1101300213101
5 Quinary 20441322120
6 Senary 2043213505
8 Octal 121604721
10 Decimal 21432785
12 Duodecimal 7217295
16 Hexadecimal 14709d1
20 Vigesimal 6dj1j5
36 Base36 crdn5

Cryptographic Hash Functions

md5 db5cba7b6a3ec5f12df02eb576315aab
sha1 1c15a754f0eda67747c7bbba18deaa50b999b923
sha256 22a874ca6028bb6f2f0ea424ca77de1ad91069340b2d7f2c51ace9b951896471
sha512 b39e57f6eb6118e9a5398f0f10002e3dd2b7b39e9d973248295afa5a8ea1a980ad454b6a66f47a95f03716166e5f03b66a8bc48b950c3b63b22c9aea88814025
ripemd-160 1f89ae2dccd1c9d687bdbcf1583d21b18534f58b

21432785 as geometric shapes

Circle

Radius = n
Diameter 42865570
Circumference 134666159.80394
Area 1.4431354249267E+15

Sphere

Radius = n
Volume 4.1240548384451E+22
Surface area 5.7725416997069E+15
Circumference 134666159.80394

Square

Length = n
Perimeter 85731140
Area 459364272856225
Diagonal 30310535.226427

Cube

Length = n
Surface area 2756185637137350
Volume 9.8454556968088E+21
Space diagonal 37122672.5677

Equilateral Triangle

Length = n
Perimeter 64298355
Area 1.9891056494223E+14
Altitude 18561336.28385

Triangular Pyramid

Length = n
Surface area 1.9891056494223E+14
Volume 1.1602980811809E+21
Height 10103511.742142