18129621 (number)

18129621 is an odd 8-digits composite number following 18129620 and preceding 18129622. In scientific notation, it is written as 1.8129621 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11997920 positive integers (up to 18129621) that are relatively prime to 18129621.

Interesting facts

Basic properties

Name

Name eighteen million one hundred twenty-nine thousand six hundred twenty-one

Notation

Scientific notation 1.8129621 × 10^7
Engineering notation 1.8129621 × 10^6

Prime Factorization of 18129621

Prime Factorization 3 × 137 × 44111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18129621
Product of the distinct prime numbers

The prime factorization of 18129621 is 3 × 137 × 44111. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18129621)

Multiplication

n×y
n×2 36259242
n×3 54388863
n×4 72518484
n×5 90648105

Division

n÷y
n÷2 9064810.5
n÷3 6043207
n÷3 4532405.25
n÷5 3625924.2

Exponentiation

ny
n2 328683157603641
n3 5.9589010764373E+21
n4 1.080326180923E+29
n5 1.9585904216511E+36

Nth Root

y√n
2√n 4257.8892658217
3√n 262.70171524921
4√n 65.252503904615
5√n 28.292918271743

Divisors of 18129621

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 -18129620
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 18129621 can be divided by 8 positive divisors. The sum of these divisors (counting 18129621) is 1, the average is 0.125.

Base conversion 18129621

Base System Value
2 Binary 1000101001010001011010101
3 Ternary 1021010002011110
4 Quaternary 1011022023111
5 Quinary 14120121441
6 Senary 1444325233
8 Octal 105121325
10 Decimal 18129621
12 Duodecimal 60a3819
16 Hexadecimal 114a2d5
20 Vigesimal 5d6411
36 Base36 askwl

Cryptographic Hash Functions

md5 567b624e9d94b580cd8b712d3fa30165
sha1 f1d36d69cb44f6ba798b9862dc7c36702092a6db
sha256 ed74fc6dc788fa03b2bae68afbf9203f11a674fb3d4dcd4f48a3239fc1369230
sha512 0f58602fdc66735d8d5f1e6b4f3443ecfffb1b7de8094b0b61824db9c1cf0cb0959acb4bf5a71d430e44da78491bd214d8d1d9c4e9dfc9d7e6a613388acd33f2
ripemd-160 a962255f33ab4550fdd2211493fd61af9896f0f2

18129621 as geometric shapes

Circle

Radius = n
Diameter 36259242
Circumference 113911768.29193
Area 1.0325885932863E+15

Sphere

Radius = n
Volume 2.4960586460272E+22
Surface area 4.1303543731452E+15
Circumference 113911768.29193

Square

Length = n
Perimeter 72518484
Area 328683157603641
Diagonal 25639155.898884

Cube

Length = n
Surface area 1972098945621846
Volume 5.9589010764373E+21
Space diagonal 31401424.693968

Equilateral Triangle

Length = n
Perimeter 54388863
Area 1.4232398214042E+14
Altitude 15700712.346984

Triangular Pyramid

Length = n
Surface area 1.4232398214042E+14
Volume 7.0226322659477E+20
Height 8546385.299628