20155749 (number)

20155749 is an odd 8-digits composite number following 20155748 and preceding 20155750. In scientific notation, it is written as 2.0155749 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13437164 positive integers (up to 20155749) that are relatively prime to 20155749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155749 × 10^7
Engineering notation 2.0155749 × 10^6

Prime Factorization of 20155749

Prime Factorization 3 × 6718583

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20155749
Product of the distinct prime numbers

The prime factorization of 20155749 is 3 × 6718583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155749)

Multiplication

n×y
n×2 40311498
n×3 60467247
n×4 80622996
n×5 100778745

Division

n÷y
n÷2 10077874.5
n÷3 6718583
n÷3 5038937.25
n÷5 4031149.8

Exponentiation

ny
n2 406254217751001
n3 8.1883580431805E+21
n4 1.6504248944048E+29
n5 3.3265549914974E+36

Nth Root

y√n
2√n 4489.5154526964
3√n 272.14455353441
4√n 67.003846551496
5√n 28.898798595592

Divisors of 20155749

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155749 can be divided by 4 positive divisors. The sum of these divisors (counting 20155749) is 1, the average is 0.25.

Base conversion 20155749

Base System Value
2 Binary 1001100111000110101100101
3 Ternary 1101221000111020
4 Quaternary 1030320311211
5 Quinary 20124440444
6 Senary 2000001353
8 Octal 114706545
10 Decimal 20155749
12 Duodecimal 6900259
16 Hexadecimal 1338d65
20 Vigesimal 65j979
36 Base36 c009x

Cryptographic Hash Functions

md5 51b817499b6ae2d2c8eccf02a326e249
sha1 17c55af55af531b5c5deac2bf62271f7df74f704
sha256 24f150a555b52dd973764676c6f41f3b81f7d85ea67aa42a6ed49e6ed087a7ea
sha512 2282e3a7a93831f731373247515976c46f44f8ce345d3866bd38d6624a53c9fb45939bdec15c9252947c75a2f8d9b5dc01c67d451c4d5bb8a4b6e0aa4663311d
ripemd-160 be57b67030880081ac95f6a05dbe676e49b5c970

20155749 as geometric shapes

Circle

Radius = n
Diameter 40311498
Circumference 126642305.972
Area 1.2762852659764E+15

Sphere

Radius = n
Volume 3.4299313964558E+22
Surface area 5.1051410639057E+15
Circumference 126642305.972

Square

Length = n
Perimeter 80622996
Area 406254217751001
Diagonal 28504533.595588

Cube

Length = n
Surface area 2437525306506006
Volume 8.1883580431805E+21
Space diagonal 34910781.332606

Equilateral Triangle

Length = n
Perimeter 60467247
Area 1.7591323648347E+14
Altitude 17455390.666303

Triangular Pyramid

Length = n
Surface area 1.7591323648347E+14
Volume 9.6500724985273E+20
Height 9501511.1985293