18128840 (number)

18128840 is an even 8-digits composite number following 18128839 and preceding 18128841. In scientific notation, it is written as 1.8128840 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors. There are 7096512 positive integers (up to 18128840) that are relatively prime to 18128840.

Interesting facts

Basic properties

Name

Name eighteen million one hundred twenty-eight thousand eight hundred forty

Notation

Scientific notation 1.8128840 × 10^7
Engineering notation 1.8128840 × 10^6

Prime Factorization of 18128840

Prime Factorization 2 × 2 × 2 × 5 × 47 × 9643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4532210
Product of the distinct prime numbers

The prime factorization of 18128840 is 2 × 2 × 2 × 5 × 47 × 9643. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 8, 26, 94, 942, 805, 4451, 3918, 89139, 51693, 607347, 337986, 7632028, 4383049, 85511279, 62994413, 854021283, 834815842, 7766738499, 4716891974

Basic calculations (n = 18128840)

Multiplication

n×y
n×2 36257680
n×3 54386520
n×4 72515360
n×5 90644200

Division

n÷y
n÷2 9064420
n÷3 6042946.6666667
n÷3 4532210
n÷5 3625768

Exponentiation

ny
n2 328654839745600
n3 5.9581310049736E+21
n4 1.0801400368821E+29
n5 1.9581685906229E+36

Nth Root

y√n
2√n 4257.7975527261
3√n 262.69794291468
4√n 65.251801145455
5√n 28.292674503272

Divisors of 18128840

1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9643, 19286, 38572, 48215, 77144, 96430, 192860, 385720, 453221, 906442, 1812884, 2266105, 3625768, 4532210, 9064420, 18128840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18128839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18128840 can be divided by 32 positive divisors. The sum of these divisors (counting 18128840) is 1, the average is 0.03125.

Base conversion 18128840

Base System Value
2 Binary 1000101001001111111001000
3 Ternary 1021010001002112
4 Quaternary 1011021333020
5 Quinary 14120110330
6 Senary 1444321452
8 Octal 105117710
10 Decimal 18128840
12 Duodecimal 60a3288
16 Hexadecimal 1149fc8
20 Vigesimal 5d6220
36 Base36 askaw

Cryptographic Hash Functions

md5 097acf6a678b0589268f6b4767963a34
sha1 eee8ed6882e38e34621cd290b9d9cb3572ad9aee
sha256 f144dfc1120ff9b1276509ae3affbb69bb6c2a957b72dcefa71d55750733de39
sha512 17768871bd01c3bed707e16651b88baf46e35dd178423f011ccbad17b6602cb66ac9dcc9e1b9420d4086e66dc056f54d9ddfdc5e694600b979e5f22ddad523c0
ripemd-160 adff4e773d1126911d0e1484dfdda2cee30bbae8

18128840 as geometric shapes

Circle

Radius = n
Diameter 36257680
Circumference 113906861.12421
Area 1.0324996301115E+15

Sphere

Radius = n
Volume 2.4957360792468E+22
Surface area 4.129998520446E+15
Circumference 113906861.12421

Square

Length = n
Perimeter 72515360
Area 328654839745600
Diagonal 25638051.398092

Cube

Length = n
Surface area 1971929038473600
Volume 5.9581310049736E+21
Space diagonal 31400071.962287

Equilateral Triangle

Length = n
Perimeter 54386520
Area 1.423117201482E+14
Altitude 15700035.981143

Triangular Pyramid

Length = n
Surface area 1.423117201482E+14
Volume 7.0217247280244E+20
Height 8546017.1326973