18561641 (number)

18561641 is an odd 8-digits composite number following 18561640 and preceding 18561642. In scientific notation, it is written as 1.8561641 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 15909936 positive integers (up to 18561641) that are relatively prime to 18561641.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8561641 × 10^7
Engineering notation 1.8561641 × 10^6

Prime Factorization of 18561641

Prime Factorization 49 × 378809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18561641
Product of the distinct prime numbers

The prime factorization of 18561641 is 49 × 378809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18561641)

Multiplication

n×y
n×2 37123282
n×3 55684923
n×4 74246564
n×5 92808205

Division

n÷y
n÷2 9280820.5
n÷3 6187213.6666667
n÷3 4640410.25
n÷5 3712328.2

Exponentiation

ny
n2 344534516612881
n3 6.3951260094768E+21
n4 1.1870403313767E+29
n5 2.2033416483536E+36

Nth Root

y√n
2√n 4308.3222952792
3√n 264.77204081814
4√n 65.637811475393
5√n 28.426492347007

Divisors of 18561641

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18561640
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18561641 can be divided by 4 positive divisors. The sum of these divisors (counting 18561641) is 1, the average is 0.25.

Base conversion 18561641

Base System Value
2 Binary 1000110110011101001101001
3 Ternary 1021221000210012
4 Quaternary 1012303221221
5 Quinary 14222433031
6 Senary 1501501305
8 Octal 106635151
10 Decimal 18561641
12 Duodecimal 6271835
16 Hexadecimal 11b3a69
20 Vigesimal 5g0421
36 Base36 b1u95

Cryptographic Hash Functions

md5 cc51df803d24ebb553441371df6b9336
sha1 0d63b1571ecb95ec15957a7cd0f8e23cd30ef9f2
sha256 fb51b1fe61d7fb3b976670ed04e88c4265175e3af97480197414d2925de97bd5
sha512 4a6e051ac8b134ce9c680dfb3cccb8facbf78f67786ad3770510b24313fedc7d6d984d1e18aad63c52aac1ef09def4dcc3fc408769fe76413e35fa98abbfcade
ripemd-160 85e4b3dc87362abc1793e5c74d7ecd3c33574c94

18561641 as geometric shapes

Circle

Radius = n
Diameter 37123282
Circumference 116626230.00834
Area 1.0823871062991E+15

Sphere

Radius = n
Volume 2.6787841186871E+22
Surface area 4.3295484251966E+15
Circumference 116626230.00834

Square

Length = n
Perimeter 74246564
Area 344534516612881
Diagonal 26250124.4421

Cube

Length = n
Surface area 2067207099677286
Volume 6.3951260094768E+21
Space diagonal 32149705.283854

Equilateral Triangle

Length = n
Perimeter 55684923
Area 1.4918782193367E+14
Altitude 16074852.641927

Triangular Pyramid

Length = n
Surface area 1.4918782193367E+14
Volume 7.5367282797392E+20
Height 8750041.4807002