20155665 (number)

20155665 is an odd 8-digits composite number following 20155664 and preceding 20155666. In scientific notation, it is written as 2.0155665 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10423296 positive integers (up to 20155665) that are relatively prime to 20155665.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand six hundred sixty-five

Notation

Scientific notation 2.0155665 × 10^7
Engineering notation 2.0155665 × 10^6

Prime Factorization of 20155665

Prime Factorization 15 × 73 × 79 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20155665
Product of the distinct prime numbers

The prime factorization of 20155665 is 15 × 73 × 79 × 233. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155665)

Multiplication

n×y
n×2 40311330
n×3 60466995
n×4 80622660
n×5 100778325

Division

n÷y
n÷2 10077832.5
n÷3 6718555
n÷3 5038916.25
n÷5 4031133

Exponentiation

ny
n2 406250831592225
n3 8.1882556675443E+21
n4 1.6503973816937E+29
n5 3.3264856742296E+36

Nth Root

y√n
2√n 4489.5060975568
3√n 272.14417547562
4√n 67.003776740993
5√n 28.89877450814

Divisors of 20155665

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 -20155664
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 20155665 can be divided by 16 positive divisors. The sum of these divisors (counting 20155665) is 1, the average is 0.0625.

Base conversion 20155665

Base System Value
2 Binary 1001100111000110100010001
3 Ternary 1101221000101010
4 Quaternary 1030320310101
5 Quinary 20124440130
6 Senary 2000001133
8 Octal 114706421
10 Decimal 20155665
12 Duodecimal 69001a9
16 Hexadecimal 1338d11
20 Vigesimal 65j935
36 Base36 c007l

Cryptographic Hash Functions

md5 4ff3b3f054db3217b4679e8e30165d8f
sha1 c86ec6a5ce2fce09d55da2a63eac3c8843b2e93d
sha256 7dc32c59277189d274d21ed973d84ecc751ffe8a45117c73a030e14022aa2760
sha512 0f80d4a325efadf86a031ae92a86364f3074e06b9c77b63972e8defe5e4fd93204f6a5874075b9e8b1508e44a2c540c179fcbd28b7a9e721090408d4d60d7f28
ripemd-160 9501baeb556f837352164c68b5828b4fe914c6d4

20155665 as geometric shapes

Circle

Radius = n
Diameter 40311330
Circumference 126641778.18443
Area 1.2762746280449E+15

Sphere

Radius = n
Volume 3.4298885134496E+22
Surface area 5.1050985121795E+15
Circumference 126641778.18443

Square

Length = n
Perimeter 80622660
Area 406250831592225
Diagonal 28504414.801649

Cube

Length = n
Surface area 2437504989553350
Volume 8.1882556675443E+21
Space diagonal 34910635.840338

Equilateral Triangle

Length = n
Perimeter 60466995
Area 1.7591177023371E+14
Altitude 17455317.920169

Triangular Pyramid

Length = n
Surface area 1.7591177023371E+14
Volume 9.6499518476829E+20
Height 9501471.6005496