20180640 (number)

20180640 is an even 8-digits composite number following 20180639 and preceding 20180641. In scientific notation, it is written as 2.0180640 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 48 positive divisors. There are 5381376 positive integers (up to 20180640) that are relatively prime to 20180640.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand six hundred forty

Notation

Scientific notation 2.0180640 × 10^7
Engineering notation 2.0180640 × 10^6

Prime Factorization of 20180640

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 5 × 42043

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1261290
Product of the distinct prime numbers

The prime factorization of 20180640 is 2 × 2 × 2 × 2 × 2 × 3 × 5 × 42043. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180640)

Multiplication

n×y
n×2 40361280
n×3 60541920
n×4 80722560
n×5 100903200

Division

n÷y
n÷2 10090320
n÷3 6726880
n÷3 5045160
n÷5 4036128

Exponentiation

ny
n2 407258230809600
n3 8.2187317430054E+21
n4 1.6585926656217E+29
n5 3.3471461491551E+36

Nth Root

y√n
2√n 4492.2867228172
3√n 272.25653421604
4√n 67.024523294218
5√n 28.90593268854

Divisors of 20180640

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180640 can be divided by 48 positive divisors. The sum of these divisors (counting 20180640) is 1, the average is 0.020833333333333.

Base conversion 20180640

Base System Value
2 Binary 1001100111110111010100000
3 Ternary 1101222021122010
4 Quaternary 1030332322200
5 Quinary 20131240030
6 Senary 2000312520
8 Octal 114767240
10 Decimal 20180640
12 Duodecimal 6912740
16 Hexadecimal 133eea0
20 Vigesimal 662bc0
36 Base36 c0jhc

Cryptographic Hash Functions

md5 8a384a994be6eaaef00adbc00f0f9b15
sha1 521e2b8faf09df58c8c13c0b5bdbf105b39c9354
sha256 5584d9dc79271cdb09e6d4389baa36fcb11010ccfbc6d4fe9e7c22406b273f58
sha512 5c7e535938a5be88fe778029cc6e11dddaf2c287198f79a6092bbbe2b6f1a61dd01fa07f0ac4c403bdf8c3364a9cc9dbe2be37876728a0cf6835ad47018e2238
ripemd-160 8872c0ec174a84f24824b467b62a21f02444077b

20180640 as geometric shapes

Circle

Radius = n
Diameter 40361280
Circumference 126798700.73748
Area 1.2794394660254E+15

Sphere

Radius = n
Volume 3.4426543020868E+22
Surface area 5.1177578641017E+15
Circumference 126798700.73748

Square

Length = n
Perimeter 80722560
Area 407258230809600
Diagonal 28539734.785369

Cube

Length = n
Surface area 2443549384857600
Volume 8.2187317430054E+21
Space diagonal 34953893.809257

Equilateral Triangle

Length = n
Perimeter 60541920
Area 1.7634798689071E+14
Altitude 17476946.904628

Triangular Pyramid

Length = n
Surface area 1.7634798689071E+14
Volume 9.6858682470538E+20
Height 9513244.9284563