20155729 (number)

20155729 is an odd 8-digits composite number following 20155728 and preceding 20155730. In scientific notation, it is written as 2.0155729 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18285600 positive integers (up to 20155729) that are relatively prime to 20155729.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155729 × 10^7
Engineering notation 2.0155729 × 10^6

Prime Factorization of 20155729

Prime Factorization 11 × 571 × 3209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155729
Product of the distinct prime numbers

The prime factorization of 20155729 is 11 × 571 × 3209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155729)

Multiplication

n×y
n×2 40311458
n×3 60467187
n×4 80622916
n×5 100778645

Division

n÷y
n÷2 10077864.5
n÷3 6718576.3333333
n÷3 5038932.25
n÷5 4031145.8

Exponentiation

ny
n2 406253411521441
n3 8.1883336679516E+21
n4 1.6504183437281E+29
n5 3.3265384872812E+36

Nth Root

y√n
2√n 4489.513225284
3√n 272.1444635205
4√n 67.003829929967
5√n 28.898792860491

Divisors of 20155729

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 -20155728
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 20155729 can be divided by 8 positive divisors. The sum of these divisors (counting 20155729) is 1, the average is 0.125.

Base conversion 20155729

Base System Value
2 Binary 1001100111000110101010001
3 Ternary 1101221000110111
4 Quaternary 1030320311101
5 Quinary 20124440404
6 Senary 2000001321
8 Octal 114706521
10 Decimal 20155729
12 Duodecimal 6900241
16 Hexadecimal 1338d51
20 Vigesimal 65j969
36 Base36 c009d

Cryptographic Hash Functions

md5 374175f19cede610a08b7536ca5667da
sha1 671de9c0a83793607d8cce582860da51a23fb9f8
sha256 24c3156e58c5964352128bf89332c1f76cd94437a30265d8bcbb3852c92d8605
sha512 f851ca255b10d7fe1f44c20b1cd2cbe870dd06115878bd6570ede966e671a11b3f17a4e833bfb753291532d39ab3349098513719eeb6f7223cacac77b964b079
ripemd-160 f9c01bc3993c3bd36a6d6eeeb1cf0fbc9f5d7d56

20155729 as geometric shapes

Circle

Radius = n
Diameter 40311458
Circumference 126642180.30829
Area 1.2762827331316E+15

Sphere

Radius = n
Volume 3.4299211861838E+22
Surface area 5.1051309325262E+15
Circumference 126642180.30829

Square

Length = n
Perimeter 80622916
Area 406253411521441
Diagonal 28504505.311317

Cube

Length = n
Surface area 2437520469128646
Volume 8.1883336679516E+21
Space diagonal 34910746.691589

Equilateral Triangle

Length = n
Perimeter 60467187
Area 1.7591288737583E+14
Altitude 17455373.345795

Triangular Pyramid

Length = n
Surface area 1.7591288737583E+14
Volume 9.6500437720445E+20
Height 9501501.7704389