20155791 (number)

20155791 is an odd 8-digits composite number following 20155790 and preceding 20155792. In scientific notation, it is written as 2.0155791 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13334360 positive integers (up to 20155791) that are relatively prime to 20155791.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand seven hundred ninety-one

Notation

Scientific notation 2.0155791 × 10^7
Engineering notation 2.0155791 × 10^6

Prime Factorization of 20155791

Prime Factorization 3 × 131 × 51287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155791
Product of the distinct prime numbers

The prime factorization of 20155791 is 3 × 131 × 51287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155791)

Multiplication

n×y
n×2 40311582
n×3 60467373
n×4 80623164
n×5 100778955

Division

n÷y
n÷2 10077895.5
n÷3 6718597
n÷3 5038947.75
n÷5 4031158.2

Exponentiation

ny
n2 406255910835681
n3 8.1884092313186E+21
n4 1.6504386508893E+29
n5 3.3265896505646E+36

Nth Root

y√n
2√n 4489.5201302589
3√n 272.14474256341
4√n 67.003881456666
5√n 28.898810639287

Divisors of 20155791

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 -20155790
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 20155791 can be divided by 8 positive divisors. The sum of these divisors (counting 20155791) is 1, the average is 0.125.

Base conversion 20155791

Base System Value
2 Binary 1001100111000110110001111
3 Ternary 1101221000112210
4 Quaternary 1030320312033
5 Quinary 20124441131
6 Senary 2000001503
8 Octal 114706617
10 Decimal 20155791
12 Duodecimal 6900293
16 Hexadecimal 1338d8f
20 Vigesimal 65j99b
36 Base36 c00b3

Cryptographic Hash Functions

md5 a2dfbb6b04be86d35eac6def9d0579b2
sha1 7c73307b23abaf6c927ad1d6d968c0cb55c2fa2e
sha256 4fbdda4e89f8ebcc81eeb50d7f3f9b3781b9ea586cff17c331834405eb0682e2
sha512 8ff240c6379324b33bfd4efe91e4d94684c2dcbfa93479fc433b97e08518ffec99bf3eeff8815c54d7b3be4c158bf3fb979ef91f4dbd3daacbeccad814514f9f
ripemd-160 e6dcd4474590b02e9d46878b90ac27eac3bad95a

20155791 as geometric shapes

Circle

Radius = n
Diameter 40311582
Circumference 126642569.86578
Area 1.2762905849588E+15

Sphere

Radius = n
Volume 3.429952838093E+22
Surface area 5.1051623398352E+15
Circumference 126642569.86578

Square

Length = n
Perimeter 80623164
Area 406255910835681
Diagonal 28504592.992558

Cube

Length = n
Surface area 2437535465014086
Volume 8.1884092313186E+21
Space diagonal 34910854.07874

Equilateral Triangle

Length = n
Perimeter 60467373
Area 1.7591396961064E+14
Altitude 17455427.03937

Triangular Pyramid

Length = n
Surface area 1.7591396961064E+14
Volume 9.6501328243265E+20
Height 9501530.9975192