18661641 (number)

18661641 is an odd 8-digits composite number following 18661640 and preceding 18661642. In scientific notation, it is written as 1.8661641 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 12223384 positive integers (up to 18661641) that are relatively prime to 18661641.

Interesting facts

Basic properties

Name

Name eighteen million six hundred sixty-one thousand six hundred forty-one

Notation

Scientific notation 1.8661641 × 10^7
Engineering notation 1.8661641 × 10^6

Prime Factorization of 18661641

Prime Factorization 3 × 59 × 59 × 1787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 316299
Product of the distinct prime numbers

The prime factorization of 18661641 is 3 × 59 × 59 × 1787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18661641)

Multiplication

n×y
n×2 37323282
n×3 55984923
n×4 74646564
n×5 93308205

Division

n÷y
n÷2 9330820.5
n÷3 6220547
n÷3 4665410.25
n÷5 3732328.2

Exponentiation

ny
n2 348256844812881
n3 6.4990442136907E+21
n4 1.2128282995902E+29
n5 2.2633366321593E+36

Nth Root

y√n
2√n 4319.9121518846
3√n 265.24667194298
4√n 65.726038613966
5√n 28.457055841952

Divisors of 18661641

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 -18661640
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 18661641 can be divided by 12 positive divisors. The sum of these divisors (counting 18661641) is 1, the average is 0.083333333333333.

Base conversion 18661641

Base System Value
2 Binary 1000111001100000100001001
3 Ternary 1022010002221220
4 Quaternary 1013030010021
5 Quinary 14234133031
6 Senary 1503552253
8 Octal 107140411
10 Decimal 18661641
12 Duodecimal 62bb689
16 Hexadecimal 11cc109
20 Vigesimal 5gce21
36 Base36 b3zex

Cryptographic Hash Functions

md5 86bb6be19362f90ebb94f7c5d033d808
sha1 f87e4a08070665fc656a4b9421029790ca442e85
sha256 a8c06b133510539a0147ce1f11da1be47f88d3399eb16f1995ca4c8e56c79335
sha512 25409eda3d012c14f4fe821660a10026fa4e814f24c9286d74846c48fc98e31f7b5487ca17f3e010beff4b3d99406e463fccb959e930c19c0bb99f47b4c4e26d
ripemd-160 becebe9608db97253b95dcb1eaee5f968e99bbf0

18661641 as geometric shapes

Circle

Radius = n
Diameter 37323282
Circumference 117254548.53906
Area 1.0940811452265E+15

Sphere

Radius = n
Volume 2.7223132742781E+22
Surface area 4.376324580906E+15
Circumference 117254548.53906

Square

Length = n
Perimeter 74646564
Area 348256844812881
Diagonal 26391545.798338

Cube

Length = n
Surface area 2089541068877286
Volume 6.4990442136907E+21
Space diagonal 32322910.36461

Equilateral Triangle

Length = n
Perimeter 55984923
Area 1.5079963732488E+14
Altitude 16161455.182305

Triangular Pyramid

Length = n
Surface area 1.5079963732488E+14
Volume 7.6591970578865E+20
Height 8797181.9327793