20181730 (number)

20181730 is an even 8-digits composite number following 20181729 and preceding 20181731. In scientific notation, it is written as 2.0181730 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 8072688 positive integers (up to 20181730) that are relatively prime to 20181730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181730 × 10^7
Engineering notation 2.0181730 × 10^6

Prime Factorization of 20181730

Prime Factorization 2 × 5 × 2018173

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20181730
Product of the distinct prime numbers

The prime factorization of 20181730 is 2 × 5 × 2018173. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181730)

Multiplication

n×y
n×2 40363460
n×3 60545190
n×4 80726920
n×5 100908650

Division

n÷y
n÷2 10090865
n÷3 6727243.3333333
n÷3 5045432.5
n÷5 4036346

Exponentiation

ny
n2 407302225792900
n3 8.2200635493513E+21
n4 1.6589510313585E+29
n5 3.3480501798099E+36

Nth Root

y√n
2√n 4492.4080402386
3√n 272.26143584914
4√n 67.025428310743
5√n 28.906244936179

Divisors of 20181730

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 -20181729
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 20181730 can be divided by 8 positive divisors. The sum of these divisors (counting 20181730) is 1, the average is 0.125.

Base conversion 20181730

Base System Value
2 Binary 1001100111111001011100010
3 Ternary 1101222100010111
4 Quaternary 1030333023202
5 Quinary 20131303410
6 Senary 2000321534
8 Octal 114771342
10 Decimal 20181730
12 Duodecimal 69132aa
16 Hexadecimal 133f2e2
20 Vigesimal 662e6a
36 Base36 c0kbm

Cryptographic Hash Functions

md5 c78c6c00f73e2d076193ca515b92a095
sha1 ba3c2de74ae93f89dc2cadd91fba50982439a1d2
sha256 0029e6838b169678e045d91c8dd2a98f9e284968f4184b54fa20687424126c2f
sha512 2e766b9d970d591263e2001d57832aedc7d48f67a6ee3d34b52e6e6d302195f95e4153cd052745913caba97c60b677fa8a6f63d589fdba611a79e050264a0905
ripemd-160 03b6cd2561c2ccc8793a70beddddbf06433d3d7c

20181730 as geometric shapes

Circle

Radius = n
Diameter 40363460
Circumference 126805549.40947
Area 1.2795776803417E+15

Sphere

Radius = n
Volume 3.4432121678245E+22
Surface area 5.118310721367E+15
Circumference 126805549.40947

Square

Length = n
Perimeter 80726920
Area 407302225792900
Diagonal 28541276.278152

Cube

Length = n
Surface area 2443813354757400
Volume 8.2200635493513E+21
Space diagonal 34955781.744637

Equilateral Triangle

Length = n
Perimeter 60545190
Area 1.763670372773E+14
Altitude 17477890.872319

Triangular Pyramid

Length = n
Surface area 1.763670372773E+14
Volume 9.6874377958845E+20
Height 9513758.759384