18409621 (number)

18409621 is an odd 8-digits composite number following 18409620 and preceding 18409622. In scientific notation, it is written as 1.8409621 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18246592 positive integers (up to 18409621) that are relatively prime to 18409621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8409621 × 10^7
Engineering notation 1.8409621 × 10^6

Prime Factorization of 18409621

Prime Factorization 113 × 162917

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18409621
Product of the distinct prime numbers

The prime factorization of 18409621 is 113 × 162917. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 15, 99, 498, 788, 5489, 7144, 28374, 23590, 738537, 268113, 1114484, 6873793, 36080983, 70701354, 307603809, 220441250, 309850986, 8433020961

Basic calculations (n = 18409621)

Multiplication

n×y
n×2 36819242
n×3 55228863
n×4 73638484
n×5 92048105

Division

n÷y
n÷2 9204810.5
n÷3 6136540.3333333
n÷3 4602405.25
n÷5 3681924.2

Exponentiation

ny
n2 338914145363641
n3 6.2392809676835E+21
n4 1.1486279792757E+29
n5 2.1145805768461E+36

Nth Root

y√n
2√n 4290.6434249422
3√n 264.04723003328
4√n 65.503003174986
5√n 28.379776410187

Divisors of 18409621

1, 113, 162917, 18409621

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 -18409620
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 18409621 can be divided by 4 positive divisors. The sum of these divisors (counting 18409621) is 1, the average is 0.25.

Base conversion 18409621

Base System Value
2 Binary 1000110001110100010010101
3 Ternary 1021122022020211
4 Quaternary 1012032202111
5 Quinary 14203101441
6 Senary 1454325421
8 Octal 106164225
10 Decimal 18409621
12 Duodecimal 61b9871
16 Hexadecimal 118e895
20 Vigesimal 5f1411
36 Base36 aykyd

Cryptographic Hash Functions

md5 038d367a285f1bba26edefa0cdef36f8
sha1 acb174b313a0909d2e029de7a13bc059fde09eca
sha256 fbc49e988d0d9e094d6d5bcae253a8bfcb89e43bdfd0951d56a07b0f84a02afd
sha512 4584d90abc908add3f3107d11f4cf63dd5af7298141a840651778be97ee6f1c0054462bb4df6f3ff21842ff3d1db4958356f62623555ea3f01cd6c984f859908
ripemd-160 be6c2d73d8b391c7789c81f3beaf0a45427a8643

18409621 as geometric shapes

Circle

Radius = n
Diameter 36819242
Circumference 115671060.17794
Area 1.0647301892721E+15

Sphere

Radius = n
Volume 2.6135039002343E+22
Surface area 4.2589207570883E+15
Circumference 115671060.17794

Square

Length = n
Perimeter 73638484
Area 338914145363641
Diagonal 26035135.696349

Cube

Length = n
Surface area 2033484872181846
Volume 6.2392809676835E+21
Space diagonal 31886398.920087

Equilateral Triangle

Length = n
Perimeter 55228863
Area 1.467541297934E+14
Altitude 15943199.460043

Triangular Pyramid

Length = n
Surface area 1.467541297934E+14
Volume 7.3530631366287E+20
Height 8678378.5654495