20215920 (number)

20215920 is an even 8-digits composite number following 20215919 and preceding 20215921. In scientific notation, it is written as 2.0215920 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 5341440 positive integers (up to 20215920) that are relatively prime to 20215920.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand nine hundred twenty

Notation

Scientific notation 2.0215920 × 10^7
Engineering notation 2.0215920 × 10^6

Prime Factorization of 20215920

Prime Factorization 2 × 2 × 2 × 2 × 15 × 131 × 643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2526990
Product of the distinct prime numbers

The prime factorization of 20215920 is 2 × 2 × 2 × 2 × 15 × 131 × 643. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 1, 88, 42, 317, 427, 668, 4579, 59792, 79706, 433524, 849677, 9823603, 3783180, 95052187, 54572933, 453153614, 401874529, 252910131, 1776398268

Basic calculations (n = 20215920)

Multiplication

n×y
n×2 40431840
n×3 60647760
n×4 80863680
n×5 101079600

Division

n÷y
n÷2 10107960
n÷3 6738640
n÷3 5053980
n÷5 4043184

Exponentiation

ny
n2 408683421446400
n3 8.2619113532867E+21
n4 1.6702213896514E+29
n5 3.3765061995481E+36

Nth Root

y√n
2√n 4496.2117387863
3√n 272.41509573255
4√n 67.053797347998
5√n 28.916032357546

Divisors of 20215920

1, 2, 4, 8, 15, 16, 30, 60, 120, 131, 240, 262, 524, 643, 1048, 1286, 1965, 2096, 2572, 3930, 5144, 7860, 9645, 10288, 15720, 19290, 31440, 38580, 77160, 84233, 154320, 168466, 336932, 673864, 1263495, 1347728, 2526990, 5053980, 10107960, 20215920

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20215919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20215920 can be divided by 40 positive divisors. The sum of these divisors (counting 20215920) is 1, the average is 0.025.

Base conversion 20215920

Base System Value
2 Binary 1001101000111100001110000
3 Ternary 1102001002000210
4 Quaternary 1031013201300
5 Quinary 20133402140
6 Senary 2001144120
8 Octal 115074160
10 Decimal 20215920
12 Duodecimal 692b040
16 Hexadecimal 1347870
20 Vigesimal 666jg0
36 Base36 c1apc

Cryptographic Hash Functions

md5 cf1d38749d71a0200d936cff0c88557d
sha1 d01cf0dd7168c06fea56b0a48d47ace634d62d14
sha256 46cc04a0b613e6806194b378c28fec288ed7b35a16579b3b605a882a976279bf
sha512 bc06ea0ecd10614a3dc7dfdf27458e2c06ed89ed7cb592b350214988bc02303fd98eebc9afac7b96410196443408e13b7e5f7fd8198f4e5200bbf0c65cf0fe09
ripemd-160 b48b77a43cb896c9a4e48ba0f188713e1afe2709

20215920 as geometric shapes

Circle

Radius = n
Diameter 40431840
Circumference 127020371.51512
Area 1.28391683446E+15

Sphere

Radius = n
Volume 3.4607413349461E+22
Surface area 5.1356673378398E+15
Circumference 127020371.51512

Square

Length = n
Perimeter 80863680
Area 408683421446400
Diagonal 28589628.23985

Cube

Length = n
Surface area 2452100528678400
Volume 8.2619113532867E+21
Space diagonal 35015000.561748

Equilateral Triangle

Length = n
Perimeter 60647760
Area 1.7696511253906E+14
Altitude 17507500.280874

Triangular Pyramid

Length = n
Surface area 1.7696511253906E+14
Volume 9.7367559057853E+20
Height 9529876.0799498