20155731 (number)

20155731 is an odd 8-digits composite number following 20155730 and preceding 20155732. In scientific notation, it is written as 2.0155731 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13356360 positive integers (up to 20155731) that are relatively prime to 20155731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155731 × 10^7
Engineering notation 2.0155731 × 10^6

Prime Factorization of 20155731

Prime Factorization 3 × 167 × 40231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155731
Product of the distinct prime numbers

The prime factorization of 20155731 is 3 × 167 × 40231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 35, 40, 116, 34, 173, 9943, 56212, 17969, 493398, 467549, 8797916, 383799, 56462253, 63857312, 431435869, 574833356, 9410696432, 8008144259

Basic calculations (n = 20155731)

Multiplication

n×y
n×2 40311462
n×3 60467193
n×4 80622924
n×5 100778655

Division

n÷y
n÷2 10077865.5
n÷3 6718577
n÷3 5038932.75
n÷5 4031146.2

Exponentiation

ny
n2 406253492144361
n3 8.1883361054724E+21
n4 1.6504189987949E+29
n5 3.3265401376999E+36

Nth Root

y√n
2√n 4489.5134480253
3√n 272.1444725219
4√n 67.003831592121
5√n 28.898793434002

Divisors of 20155731

1, 3, 167, 501, 40231, 120693, 6718577, 20155731

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 -20155730
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 20155731 can be divided by 8 positive divisors. The sum of these divisors (counting 20155731) is 1, the average is 0.125.

Base conversion 20155731

Base System Value
2 Binary 1001100111000110101010011
3 Ternary 1101221000110120
4 Quaternary 1030320311103
5 Quinary 20124440411
6 Senary 2000001323
8 Octal 114706523
10 Decimal 20155731
12 Duodecimal 6900243
16 Hexadecimal 1338d53
20 Vigesimal 65j96b
36 Base36 c009f

Cryptographic Hash Functions

md5 a14185e4b3882b93e0e17b92d5300aa3
sha1 d1c856c780a80b60e84fefb8d8196b19a0746603
sha256 180dc8097df1806a36471bce8d9d70eaaac58dca464ce8fe0ed6117768e891be
sha512 0d48b5dc5b8116ce1d8b48587520b33ec8a91554750f9d3d48a6ccc5368e54ba1558da9a84cecbe81437b6631b8b25d496ef6370f72f5d0da467d122f8bfd2ae
ripemd-160 077eeed5677a43cfae99c1536266c68baed2d88f

20155731 as geometric shapes

Circle

Radius = n
Diameter 40311462
Circumference 126642192.87466
Area 1.2762829864159E+15

Sphere

Radius = n
Volume 3.4299222072101E+22
Surface area 5.1051319456637E+15
Circumference 126642192.87466

Square

Length = n
Perimeter 80622924
Area 406253492144361
Diagonal 28504508.139744

Cube

Length = n
Surface area 2437520952866166
Volume 8.1883361054724E+21
Space diagonal 34910750.155691

Equilateral Triangle

Length = n
Perimeter 60467193
Area 1.7591292228658E+14
Altitude 17455375.077846

Triangular Pyramid

Length = n
Surface area 1.7591292228658E+14
Volume 9.6500466446902E+20
Height 9501502.7132479