20729181 (number)

20729181 is an odd 8-digits composite number following 20729180 and preceding 20729182. In scientific notation, it is written as 2.0729181 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12480000 positive integers (up to 20729181) that are relatively prime to 20729181.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-nine thousand one hundred eighty-one

Notation

Scientific notation 2.0729181 × 10^7
Engineering notation 2.0729181 × 10^6

Prime Factorization of 20729181

Prime Factorization 3 × 11 × 157 × 4001

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20729181
Product of the distinct prime numbers

The prime factorization of 20729181 is 3 × 11 × 157 × 4001. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 5, 76, 570, 703, 1008, 4882, 46209, 27416, 543954, 508929, 2003266, 6420976, 18712403, 75382987, 528796694, 46065478, 3009122810, 3764058435

Basic calculations (n = 20729181)

Multiplication

n×y
n×2 41458362
n×3 62187543
n×4 82916724
n×5 103645905

Division

n÷y
n÷2 10364590.5
n÷3 6909727
n÷3 5182295.25
n÷5 4145836.2

Exponentiation

ny
n2 429698944930761
n3 8.9073072049788E+21
n4 1.8464118327461E+29
n5 3.8274605081535E+36

Nth Root

y√n
2√n 4552.9310339604
3√n 274.7012999172
4√n 67.475410587565
5√n 29.061393082385

Divisors of 20729181

1, 3, 11, 33, 157, 471, 1727, 4001, 5181, 12003, 44011, 132033, 628157, 1884471, 6909727, 20729181

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 -20729180
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 20729181 can be divided by 16 positive divisors. The sum of these divisors (counting 20729181) is 1, the average is 0.0625.

Base conversion 20729181

Base System Value
2 Binary 1001111000100110101011101
3 Ternary 1110000011002110
4 Quaternary 1033010311131
5 Quinary 20301313211
6 Senary 2020144233
8 Octal 117046535
10 Decimal 20729181
12 Duodecimal 6b38079
16 Hexadecimal 13c4d5d
20 Vigesimal 69b2j1
36 Base36 ccaql

Cryptographic Hash Functions

md5 62519ddaad06faa8fffc0a632f40b036
sha1 1a12035cb6ffff0135c02554565c363ec216c2b2
sha256 4e94a23cb2a4e513e859292af0bdec7e383e95616cfc8fd77c5347359419b711
sha512 04f22a53bfbd54b5ccb8643c8428901a2550393ce3d16ba5f26335e48be8a85395a60675cefd3c9949fa807418a4e9a38a601f9dd453c7e16b533dc59bff0a9c
ripemd-160 543985484be0f987f739dbbe8618b817b8e32f48

20729181 as geometric shapes

Circle

Radius = n
Diameter 41458362
Circumference 130245285.48907
Area 1.3499390486498E+15

Sphere

Radius = n
Volume 3.7310841171238E+22
Surface area 5.3997561945991E+15
Circumference 130245285.48907

Square

Length = n
Perimeter 82916724
Area 429698944930761
Diagonal 29315488.907087

Cube

Length = n
Surface area 2578193669584566
Volume 8.9073072049788E+21
Space diagonal 35903994.691291

Equilateral Triangle

Length = n
Perimeter 62187543
Area 1.860651011447E+14
Altitude 17951997.345646

Triangular Pyramid

Length = n
Surface area 1.860651011447E+14
Volume 1.0497362211254E+21
Height 9771829.6356956