20921432 (number)

20921432 is an even 8-digits composite number following 20921431 and preceding 20921433. In scientific notation, it is written as 2.0921432 × 10^7. The sum of its digits is 23. It has a total of 8 prime factors and 72 positive divisors. There are 8334144 positive integers (up to 20921432) that are relatively prime to 20921432.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921432 × 10^7
Engineering notation 2.0921432 × 10^6

Prime Factorization of 20921432

Prime Factorization 2 × 2 × 2 × 19 × 53 × 7 × 7 × 53

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 14098
Product of the distinct prime numbers

The prime factorization of 20921432 is 2 × 2 × 2 × 19 × 53 × 7 × 7 × 53. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921432)

Multiplication

n×y
n×2 41842864
n×3 62764296
n×4 83685728
n×5 104607160

Division

n÷y
n÷2 10460716
n÷3 6973810.6666667
n÷3 5230358
n÷5 4184286.4

Exponentiation

ny
n2 437706316930624
n3 9.1574429456345E+21
n4 1.9158681988097E+29
n5 4.008270624236E+36

Nth Root

y√n
2√n 4573.995190203
3√n 275.54791915285
4√n 67.631318116705
5√n 29.115099687693

Divisors of 20921432

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921431
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921432 can be divided by 72 positive divisors. The sum of these divisors (counting 20921432) is 1, the average is 0.013888888888889.

Base conversion 20921432

Base System Value
2 Binary 1001111110011110001011000
3 Ternary 1110100220210212
4 Quaternary 1033303301120
5 Quinary 20323441212
6 Senary 2024230252
8 Octal 117636130
10 Decimal 20921432
12 Duodecimal 700b388
16 Hexadecimal 13f3c58
20 Vigesimal 6af3bc
36 Base36 cgf2w

Cryptographic Hash Functions

md5 5c26c1af294838d7f791f58ffec17ff4
sha1 f392f6cdc022e2b9901fbfa39c0aeb416faf498b
sha256 6a9d8cf61157e3afd4e56dadc7df4d62dd0df7c48ef8efebad49c33d9ac7b588
sha512 36a7d871f7c98fe1d3231caf3133054d4ed0405fb3745df5910684a129d63f91469adab6482f03cfdf6d9ef87925405d9459ff1dece2ee0502f8e3ead3167c0f
ripemd-160 e839c52e6b84883cc22b5cabf9b56944f858cc2d

20921432 as geometric shapes

Circle

Radius = n
Diameter 41842864
Circumference 131453234.14756
Area 1.3750949496991E+15

Sphere

Radius = n
Volume 3.8358607311564E+22
Surface area 5.5003797987964E+15
Circumference 131453234.14756

Square

Length = n
Perimeter 83685728
Area 437706316930624
Diagonal 29587372.878666

Cube

Length = n
Surface area 2626237901583744
Volume 9.1574429456345E+21
Space diagonal 36236983.191097

Equilateral Triangle

Length = n
Perimeter 62764296
Area 1.8953239492942E+14
Altitude 18118491.595549

Triangular Pyramid

Length = n
Surface area 1.8953239492942E+14
Volume 1.0792150008645E+21
Height 9862457.6262222