20155906 (number)

20155906 is an even 8-digits composite number following 20155905 and preceding 20155907. In scientific notation, it is written as 2.0155906 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 9702000 positive integers (up to 20155906) that are relatively prime to 20155906.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand nine hundred six

Notation

Scientific notation 2.0155906 × 10^7
Engineering notation 2.0155906 × 10^6

Prime Factorization of 20155906

Prime Factorization 2 × 71 × 43 × 3301

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20155906
Product of the distinct prime numbers

The prime factorization of 20155906 is 2 × 71 × 43 × 3301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155906)

Multiplication

n×y
n×2 40311812
n×3 60467718
n×4 80623624
n×5 100779530

Division

n÷y
n÷2 10077953
n÷3 6718635.3333333
n÷3 5038976.5
n÷5 4031181.2

Exponentiation

ny
n2 406260546680836
n3 8.1885493904075E+21
n4 1.6504763178941E+29
n5 3.32668455187E+36

Nth Root

y√n
2√n 4489.5329378455
3√n 272.14526014147
4√n 67.003977030065
5√n 28.89884361597

Divisors of 20155906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155906 can be divided by 16 positive divisors. The sum of these divisors (counting 20155906) is 1, the average is 0.0625.

Base conversion 20155906

Base System Value
2 Binary 1001100111000111000000010
3 Ternary 1101221000201001
4 Quaternary 1030320320002
5 Quinary 20124442111
6 Senary 2000002214
8 Octal 114707002
10 Decimal 20155906
12 Duodecimal 690036a
16 Hexadecimal 1338e02
20 Vigesimal 65j9f6
36 Base36 c00ea

Cryptographic Hash Functions

md5 11b0e06f2227d8257a5f88feee6b53a2
sha1 ac478fd3512621f65064436815b34bca6c6efb4b
sha256 09927204ea47af19d190ebd44f60531b643418a4ca77d847d3e785a8b19f4e0f
sha512 0edd79a1044e47c15cdc8cf35fdfb093a8d5cb0443f91d3fe61f8ee8a84e0f44a82d362af4b81b46906c2abe48a04f774095a8ea37d62d5b37e937690d5e66f1
ripemd-160 121af16dc9f395d86890e4da1720d906026dbba7

20155906 as geometric shapes

Circle

Radius = n
Diameter 40311812
Circumference 126643292.43209
Area 1.2763051488959E+15

Sphere

Radius = n
Volume 3.4300115477949E+22
Surface area 5.1052205955836E+15
Circumference 126643292.43209

Square

Length = n
Perimeter 80623624
Area 406260546680836
Diagonal 28504755.627117

Cube

Length = n
Surface area 2437563280085016
Volume 8.1885493904075E+21
Space diagonal 34911053.264582

Equilateral Triangle

Length = n
Perimeter 60467718
Area 1.7591597699048E+14
Altitude 17455526.632291

Triangular Pyramid

Length = n
Surface area 1.7591597699048E+14
Volume 9.6502980033969E+20
Height 9501585.2090391