20215840 (number)

20215840 is an even 8-digits composite number following 20215839 and preceding 20215841. In scientific notation, it is written as 2.0215840 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 24 positive divisors. There are 8086272 positive integers (up to 20215840) that are relatively prime to 20215840.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand eight hundred forty

Notation

Scientific notation 2.0215840 × 10^7
Engineering notation 2.0215840 × 10^6

Prime Factorization of 20215840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 126349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1263490
Product of the distinct prime numbers

The prime factorization of 20215840 is 2 × 2 × 2 × 2 × 2 × 5 × 126349. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 10, 82, 51, 349, 263, 2207, 2571, 47316, 3125, 310625, 453708, 8061763, 4400577, 83592190, 35579233, 255172941, 425565141, 5333690980, 9592300766

Basic calculations (n = 20215840)

Multiplication

n×y
n×2 40431680
n×3 60647520
n×4 80863360
n×5 101079200

Division

n÷y
n÷2 10107920
n÷3 6738613.3333333
n÷3 5053960
n÷5 4043168

Exponentiation

ny
n2 408680186905600
n3 8.2618132696537E+21
n4 1.670194951692E+29
n5 3.3764393912212E+36

Nth Root

y√n
2√n 4496.2028423994
3√n 272.41473639139
4√n 67.053731010283
5√n 28.916009471758

Divisors of 20215840

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126349, 252698, 505396, 631745, 1010792, 1263490, 2021584, 2526980, 4043168, 5053960, 10107920, 20215840

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20215839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20215840 can be divided by 24 positive divisors. The sum of these divisors (counting 20215840) is 1, the average is 0.041666666666667.

Base conversion 20215840

Base System Value
2 Binary 1001101000111100000100000
3 Ternary 1102001001220211
4 Quaternary 1031013200200
5 Quinary 20133401330
6 Senary 2001143504
8 Octal 115074040
10 Decimal 20215840
12 Duodecimal 692ab94
16 Hexadecimal 1347820
20 Vigesimal 666jc0
36 Base36 c1an4

Cryptographic Hash Functions

md5 4e6f41df3f619403829f2aa471340f0b
sha1 1215d7e1af7d8c2f1cf0c982a6495ab6224a8b40
sha256 d95adca06dca32121ccac2b7ab21e14c038d2f17b9078fb5e9c56581a200ed0e
sha512 b320b516d7115dbfc983445c023d32ee2b33a3bab71d848337ff9ffebcac10502066045244928c9c562b429160120f92fd57f7677b21f6151742a90ab1447713
ripemd-160 d99ec164ac6b7fa8be7d0574ad56f6f11549c32f

20215840 as geometric shapes

Circle

Radius = n
Diameter 40431680
Circumference 127019868.86029
Area 1.2839066728503E+15

Sphere

Radius = n
Volume 3.46070024977E+22
Surface area 5.1356266914013E+15
Circumference 127019868.86029

Square

Length = n
Perimeter 80863360
Area 408680186905600
Diagonal 28589515.102765

Cube

Length = n
Surface area 2452081121433600
Volume 8.2618132696537E+21
Space diagonal 35014861.997683

Equilateral Triangle

Length = n
Perimeter 60647520
Area 1.7696371194181E+14
Altitude 17507430.998842

Triangular Pyramid

Length = n
Surface area 1.7696371194181E+14
Volume 9.7366403131152E+20
Height 9529838.3675882