18291220 (number)

18291220 is an even 8-digits composite number following 18291219 and preceding 18291221. In scientific notation, it is written as 1.8291220 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 7316480 positive integers (up to 18291220) that are relatively prime to 18291220.

Interesting facts

Basic properties

Name

Name eighteen million two hundred ninety-one thousand two hundred twenty

Notation

Scientific notation 1.8291220 × 10^7
Engineering notation 1.8291220 × 10^6

Prime Factorization of 18291220

Prime Factorization 2 × 2 × 5 × 914561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9145610
Product of the distinct prime numbers

The prime factorization of 18291220 is 2 × 2 × 5 × 914561. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18291220)

Multiplication

n×y
n×2 36582440
n×3 54873660
n×4 73164880
n×5 91456100

Division

n÷y
n÷2 9145610
n÷3 6097073.3333333
n÷3 4572805
n÷5 3658244

Exponentiation

ny
n2 334568729088400
n3 6.1196702288763E+21
n4 1.1193623448383E+29
n5 2.0474502909153E+36

Nth Root

y√n
2√n 4276.8235876641
3√n 263.479941151
4√n 65.39742798967
5√n 28.3431773752

Divisors of 18291220

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18291219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18291220 can be divided by 12 positive divisors. The sum of these divisors (counting 18291220) is 1, the average is 0.083333333333333.

Base conversion 18291220

Base System Value
2 Binary 1000101110001101000010100
3 Ternary 1021102021211121
4 Quaternary 1011301220110
5 Quinary 14140304340
6 Senary 1452013324
8 Octal 105615024
10 Decimal 18291220
12 Duodecimal 6161244
16 Hexadecimal 1171a14
20 Vigesimal 5e6810
36 Base36 aw1lg

Cryptographic Hash Functions

md5 1494c97f3f5b0c75054391d6832c32b4
sha1 b26c761684583823c51c3cca745d100646cf6c97
sha256 a059d915867d84005e8782d829beaf91446967e2efd6d317283598f8dc143c22
sha512 391c7d8a9f8acb6a38f90fd88a0140d6047c29c853708625bafc55b30c34dff0868054c5056ef7e310a7635543e196d92db883c4ec5af6e431bd4e53babc12b8
ripemd-160 ea4762847927a06512ff093bba73cc6017b8c11b

18291220 as geometric shapes

Circle

Radius = n
Diameter 36582440
Circumference 114927124.75439
Area 1.051078661425E+15

Sphere

Radius = n
Volume 2.563401471124E+22
Surface area 4.2043146457E+15
Circumference 114927124.75439

Square

Length = n
Perimeter 73164880
Area 334568729088400
Diagonal 25867691.39635

Cube

Length = n
Surface area 2007412374530400
Volume 6.1196702288763E+21
Space diagonal 31681322.37242

Equilateral Triangle

Length = n
Perimeter 54873660
Area 1.4487250935121E+14
Altitude 15840661.18621

Triangular Pyramid

Length = n
Surface area 1.4487250935121E+14
Volume 7.2121005291065E+20
Height 8622563.7987833