20215855 (number)

20215855 is an odd 8-digits composite number following 20215854 and preceding 20215856. In scientific notation, it is written as 2.0215855 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 14702400 positive integers (up to 20215855) that are relatively prime to 20215855.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand eight hundred fifty-five

Notation

Scientific notation 2.0215855 × 10^7
Engineering notation 2.0215855 × 10^6

Prime Factorization of 20215855

Prime Factorization 5 × 11 × 367561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20215855
Product of the distinct prime numbers

The prime factorization of 20215855 is 5 × 11 × 367561. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20215855)

Multiplication

n×y
n×2 40431710
n×3 60647565
n×4 80863420
n×5 101079275

Division

n÷y
n÷2 10107927.5
n÷3 6738618.3333333
n÷3 5053963.75
n÷5 4043171

Exponentiation

ny
n2 408680793381025
n3 8.2618316602758E+21
n4 1.6701999087854E+29
n5 3.376451917702E+36

Nth Root

y√n
2√n 4496.2045104733
3√n 272.41480376793
4√n 67.053743448619
5√n 28.916013762849

Divisors of 20215855

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20215854
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20215855 can be divided by 8 positive divisors. The sum of these divisors (counting 20215855) is 1, the average is 0.125.

Base conversion 20215855

Base System Value
2 Binary 1001101000111100000101111
3 Ternary 1102001001221101
4 Quaternary 1031013200233
5 Quinary 20133401410
6 Senary 2001143531
8 Octal 115074057
10 Decimal 20215855
12 Duodecimal 692aba7
16 Hexadecimal 134782f
20 Vigesimal 666jcf
36 Base36 c1anj

Cryptographic Hash Functions

md5 6a99caeeb19592beed43d31096301d01
sha1 24c997c6ae9113c7c0324aa4a032de1f42689087
sha256 61f0f5c1dbb2bae51925d0ac146151b43d03278d3e6efa1179393af1317a9ca6
sha512 3ecaa5edba7080608625672a43879d0f76de25eb62b3f3d6ea4202b345f0c25e8bb864efd032e7c556e011de18615ee0b1abab64ea4bfd68e4e0393b70fee577
ripemd-160 c13ff0bc38753993262cbc14451249362c6d297f

20215855 as geometric shapes

Circle

Radius = n
Diameter 40431710
Circumference 127019963.10807
Area 1.2839085781491E+15

Sphere

Radius = n
Volume 3.4607079532157E+22
Surface area 5.1356343125963E+15
Circumference 127019963.10807

Square

Length = n
Perimeter 80863420
Area 408680793381025
Diagonal 28589536.315968

Cube

Length = n
Surface area 2452084760286150
Volume 8.2618316602758E+21
Space diagonal 35014887.978445

Equilateral Triangle

Length = n
Perimeter 60647565
Area 1.7696397455337E+14
Altitude 17507443.989223

Triangular Pyramid

Length = n
Surface area 1.7696397455337E+14
Volume 9.7366619866712E+20
Height 9529845.438656